Message Hook Window is working, Added BAR sendKeys and fixed colon key.
Message Hook Window is working and will allow you to see all messages being processed by a target window. Had to build Message Hook Window inside the native MsgHook.dll was having issues keep a java window's WndProc callback processing.
This commit is contained in:
Edward Jakubowski
503
native/MsgHook/MsgHookWindow.cpp
Normal file
503
native/MsgHook/MsgHookWindow.cpp
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@@ -0,0 +1,503 @@
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/*
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* Copyright 2014, Synthuse.org
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* Released under the Apache Version 2.0 License.
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*
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* last modified by ejakubowski7@gmail.com
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*/
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// MsgHookTest.cpp : Defines the entry point for the application.
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//
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#include "stdafx.h"
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#include "resource.h"
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#include "MsgLookup.h"
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//#include "MsgHookTest.h"
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//#include "MsgHook.h"
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#define MAX_LOADSTRING 100
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// Global Variables:
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HINSTANCE hInst; // current instance
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TCHAR szTitle[MAX_LOADSTRING]; // The title bar text
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TCHAR szWindowClass[MAX_LOADSTRING]; // the main window class name
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HWND mainHwnd = NULL;
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HMENU mainMenu = NULL;
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HWND txtbox = NULL;
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HWND targetHwnd = NULL;
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const int txtboxSpacing = 2;
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bool filterWmCommand = true;
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bool filterWmNotify = false;
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bool filterAbove = false;
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//#define MAX_TEST_SIZE 100
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//TCHAR targetClassname[MAX_TEST_SIZE] = _T("Notepad");
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TCHAR targetClassname[MAX_TEST_SIZE] = _T("WordPadClass");
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TCHAR testWmSettextL[MAX_TEST_SIZE] = _T("This is a test");
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TCHAR testWmSettextW[MAX_TEST_SIZE] = _T("0");
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TCHAR testWmCommandL[MAX_TEST_SIZE] = _T("0");
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TCHAR testWmCommandW[MAX_TEST_SIZE] = _T("1");
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TCHAR targetHwndStr[MAX_TEST_SIZE] = _T("");
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const int hotkeyIdOffset = 0;
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const int pauseHotKey = 'P'; //P
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bool isPaused = false;
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// Forward declarations of functions included in this code module:
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int APIENTRY StartWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPTSTR lpCmdLine, int nCmdShow);
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ATOM MyRegisterClass(HINSTANCE hInstance);
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BOOL InitInstance(HINSTANCE, int);
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LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
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INT_PTR CALLBACK DlgProc(HWND, UINT, WPARAM, LPARAM);
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void AppendText(HWND txtHwnd, LPCTSTR newText)
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{
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if (isPaused)
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return;
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DWORD len = GetWindowTextLength(txtHwnd);
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if (len > 25000)
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{//need to truncate the beginning so the text doesn't go past it's limit
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SendMessage(txtHwnd, EM_SETSEL, 0, 10000);
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SendMessage(txtHwnd, EM_REPLACESEL, 0, (LPARAM)_T(""));
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len = GetWindowTextLength(txtHwnd);
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}
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//DWORD l,r;
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//SendMessage(txtHwnd, EM_GETSEL,(WPARAM)&l,(LPARAM)&r);
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SendMessage(txtHwnd, EM_SETSEL, len, len);
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SendMessage(txtHwnd, EM_REPLACESEL, 0, (LPARAM)newText);
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len = GetWindowTextLength(txtHwnd);
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SendMessage(txtHwnd, EM_SETSEL, len, len);
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//SendMessage(txtHwnd, EM_SETSEL,l,r);
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}
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void InitMsgFiltersAndLookup()
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{
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if (!filterWmCommand && !filterAbove && !filterWmNotify)
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InitializeMsgLookup();
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else
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{
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int allowList[3];
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for (int i = 0; i < 3; i ++)
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allowList[i] = -1;
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if (filterWmCommand) {
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AppendText(txtbox, _T("filtering on WM_COMMAND & WM_MENUCOMMAND\r\n"));
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allowList[0] = WM_COMMAND;
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allowList[1] = WM_MENUCOMMAND;
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}
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if (filterWmNotify)
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{
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AppendText(txtbox, _T("filtering on WM_NOTIFY\r\n"));
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allowList[2] = WM_NOTIFY;
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}
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//if (filterAbove)
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// allowList[0] = WM_COMMAND;
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InitializeMsgLookup(allowList, 3);
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}
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}
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void StartMessageHook()
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{
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AppendText(txtbox, _T("Starting Message Hook\r\n"));
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targetHwnd = FindWindow(targetClassname, NULL);
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if (_tcscmp(targetHwndStr, _T("")) != 0) //if target HWND was used then override classname hwnd
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{
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TCHAR *stopStr;
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targetHwnd = (HWND)_tcstol(targetHwndStr, &stopStr, 10);
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}
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DWORD tid = GetWindowThreadProcessId(targetHwnd, NULL);
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InitMsgFiltersAndLookup();
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//InitializeMsgLookup();
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TCHAR tmp[50];
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_stprintf_s(tmp, _T("Target Handle: %ld, and Thread Id: %ld\r\n"), targetHwnd, tid);
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AppendText(txtbox, tmp);
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//block self/global msg hook
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if (targetHwnd == NULL || tid == 0) {
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AppendText(txtbox, _T("Target window not found\r\n"));
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return;
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}
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//if (InitMsgHook(mainHwnd, tid))
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if (SetMsgHook(mainHwnd, tid))
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{
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EnableMenuItem(mainMenu, ID_FILE_STOPHOOK, MF_ENABLED);
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EnableMenuItem(mainMenu, ID_FILE_STARTHOOK, MF_DISABLED | MF_GRAYED);
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AppendText(txtbox, _T("Hook successfully initialized\r\n"));
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}
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else
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AppendText(txtbox, _T("Hook failed to initialize\r\n"));
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}
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void StopMessageHook()
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{
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EnableMenuItem(mainMenu, ID_FILE_STOPHOOK, MF_DISABLED | MF_GRAYED);
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EnableMenuItem(mainMenu, ID_FILE_STARTHOOK, MF_ENABLED);
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AppendText(txtbox, TEXT("Stopping Message Hook\r\n"));
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//KillHook();
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RemoveHook();
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}
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bool OnCopyData(COPYDATASTRUCT* pCopyDataStruct) // WM_COPYDATA lParam will have this struct
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{
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if( pCopyDataStruct->cbData!=sizeof(HEVENT))
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return false;
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HEVENT Event;
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memcpy(&Event, (HEVENT*)pCopyDataStruct->lpData, sizeof(HEVENT)); // transfer data to internal variable
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if (Event.dwHookType == WH_KEYBOARD)
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{
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//KBDLLHOOKSTRUCT* pkh = (KBDLLHOOKSTRUCT*) Event.lParam;
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//char tmp[50];
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//return wkvn->KeyboardData(pkh->vkCode,Event.wParam);
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}
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else if (Event.dwHookType == WH_MOUSE)
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{
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//MSLLHOOKSTRUCT* pmh = (MSLLHOOKSTRUCT*) Event.lParam;
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//char tmp[50];
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//if (Event.wParam == WM_LBUTTONDOWN)
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// return wkvn->MouseClickData(1,true);
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// else
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// return wkvn->MouseMoveData(pmh->pt.x,pmh->pt.y);
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}
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else if (Event.dwHookType == WH_CALLWNDPROC)
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{
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TCHAR *msgName = _T("unknown");
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if (Event.nCode < MAX_MSG_LOOKUP)
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msgName = MSG_LOOKUP[Event.nCode];
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else
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{
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if (!filterAbove)
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return false;
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}
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if (_tcscmp(msgName, _T("")) != 0)
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{
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TCHAR tmp[200];
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_stprintf_s(tmp, _T("hwnd: %ld, msg: %s (%ld), wparam: '%s'[%ld], lparam: '%s'{%ld}\r\n"), Event.hWnd, msgName, Event.nCode, Event.wParamStr, Event.wParam, Event.lParamStr,Event.lParam);
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AppendText(txtbox, tmp);
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}
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}
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return false;
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}
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void SendWmSettext() //ID_TESTMSGS_WM
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{
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//SetWindowText(targetHwnd, _T("This is a test"));
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//TCHAR txt[] = _T("This is a test");
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TCHAR *stopStr;
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long wparam = _tcstol(testWmSettextW, &stopStr, 10);
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SendMessage(targetHwnd, WM_SETTEXT, wparam, (LPARAM)testWmSettextL);
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//PostMessage(targetHwnd, WM_SETTEXT, 0 , (LPARAM)txt);
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}
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void SendWmCommand() //ID_TESTMSGS_WM
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{
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TCHAR *stopStr;
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HWND sendHwnd = targetHwnd;
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if (_tcscmp(targetHwndStr, _T("")) != 0)
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{
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sendHwnd = (HWND)_tcstol(targetHwndStr, &stopStr, 10);
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}
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long wparam = _tcstol(testWmCommandW, &stopStr, 10);
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long lparam = _tcstol(testWmCommandL, &stopStr, 10);
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SendMessage(sendHwnd, WM_COMMAND, wparam, lparam);
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}
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void HotKeyPressed(WPARAM wParam)
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{
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//AppendText(txtbox, _T("hotkey test"));
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if (wParam == (pauseHotKey + hotkeyIdOffset))
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{
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if (!isPaused)
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{
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AppendText(txtbox, _T("Paused\r\n"));
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isPaused = true;
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}
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else
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{
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isPaused = false;
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AppendText(txtbox, _T("Unpaused\r\n"));
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}
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}
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}
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extern "C" __declspec(dllexport) void CreateMsgHookWindow(LPTSTR lpCmdLine)
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{
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//StartWinMain(GetModuleHandle(NULL), NULL, lpCmdLine, SW_SHOW);
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StartWinMain((HINSTANCE)pData->g_hInstance, NULL, lpCmdLine, SW_SHOW);
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}
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int APIENTRY StartWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPTSTR lpCmdLine, int nCmdShow)
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{
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UNREFERENCED_PARAMETER(hPrevInstance);
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UNREFERENCED_PARAMETER(lpCmdLine);
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// TODO: Place code here.
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MSG msg;
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HACCEL hAccelTable;
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// Initialize global strings
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LoadString(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);
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LoadString(hInstance, IDC_MSGHOOKTEST, szWindowClass, MAX_LOADSTRING);
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MyRegisterClass(hInstance);
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// Perform application initialization:
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if (!InitInstance (hInstance, nCmdShow))
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{
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return FALSE;
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}
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hAccelTable = LoadAccelerators(hInstance, MAKEINTRESOURCE(IDC_MSGHOOKTEST));
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// Main message loop:
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while (GetMessage(&msg, NULL, 0, 0))
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{
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//if (msg.message == WM_HOTKEY)
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// HotKeyPressed(msg.wParam);
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if (!TranslateAccelerator(msg.hwnd, hAccelTable, &msg))
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{
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TranslateMessage(&msg);
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DispatchMessage(&msg);
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}
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}
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UnregisterHotKey(mainHwnd, pauseHotKey + hotkeyIdOffset);
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return (int) msg.wParam;
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}
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//
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// FUNCTION: MyRegisterClass()
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//
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// PURPOSE: Registers the window class.
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//
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// COMMENTS:
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//
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// This function and its usage are only necessary if you want this code
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// to be compatible with Win32 systems prior to the 'RegisterClassEx'
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// function that was added to Windows 95. It is important to call this function
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// so that the application will get 'well formed' small icons associated
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// with it.
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//
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ATOM MyRegisterClass(HINSTANCE hInstance)
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{
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WNDCLASSEX wcex;
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wcex.cbSize = sizeof(WNDCLASSEX);
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wcex.style = CS_HREDRAW | CS_VREDRAW;
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wcex.lpfnWndProc = WndProc;
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wcex.cbClsExtra = 0;
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wcex.cbWndExtra = 0;
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wcex.hInstance = hInstance;
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wcex.hIcon = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_MSGHOOKTEST));
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wcex.hCursor = LoadCursor(NULL, IDC_ARROW);
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wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
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wcex.lpszMenuName = MAKEINTRESOURCE(IDC_MSGHOOKTEST);
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wcex.lpszClassName = szWindowClass;
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wcex.hIconSm = LoadIcon(wcex.hInstance, MAKEINTRESOURCE(IDI_SMALL));
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return RegisterClassEx(&wcex);
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}
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//
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// FUNCTION: InitInstance(HINSTANCE, int)
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//
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// PURPOSE: Saves instance handle and creates main window
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//
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// COMMENTS:
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//
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// In this function, we save the instance handle in a global variable and
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// create and display the main program window.
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//
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BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
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{
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HWND hWnd;
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hInst = hInstance; // Store instance handle in our global variable
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hWnd = CreateWindow(szWindowClass, szTitle, WS_OVERLAPPEDWINDOW,
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CW_USEDEFAULT, 0, 700, 300, NULL, NULL, hInstance, NULL);
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if (!hWnd) {
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DWORD lastErr = GetLastError();
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printf("Error Creating Window %d\n", lastErr);
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return FALSE;
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}
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mainHwnd = hWnd;
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RECT rect;
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GetClientRect(hWnd, &rect);
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// make the txtbox edit control almost the same size as the parent window
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//WS_CHILD | WS_VISIBLE | WS_VSCROLL | ES_LEFT | ES_MULTILINE | ES_AUTOVSCROLL
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txtbox = CreateWindow(TEXT("Edit"),TEXT(""), WS_CHILD | WS_VISIBLE | ES_MULTILINE | WS_VSCROLL | ES_AUTOVSCROLL | ES_READONLY,
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txtboxSpacing, txtboxSpacing,rect.right-(txtboxSpacing*2), rect.bottom-(txtboxSpacing*2), hWnd, NULL, NULL, NULL);
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HFONT hFont = CreateFont(14, 0, 0, 0, FW_DONTCARE, FALSE, FALSE, FALSE, ANSI_CHARSET,
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OUT_TT_PRECIS, CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY,
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DEFAULT_PITCH | FF_DONTCARE, TEXT("Arial"));
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SendMessage(txtbox, WM_SETFONT, (WPARAM)hFont, TRUE);
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mainMenu = GetMenu(mainHwnd);
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EnableMenuItem(mainMenu, ID_FILE_STOPHOOK, MF_DISABLED | MF_GRAYED);
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RegisterHotKey(mainHwnd, pauseHotKey + hotkeyIdOffset, MOD_NOREPEAT | MOD_SHIFT | MOD_CONTROL, pauseHotKey);
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ShowWindow(hWnd, nCmdShow);
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UpdateWindow(hWnd);
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//set always on top
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SetWindowPos(mainHwnd, HWND_TOPMOST, 0, 0, 0, 0, SWP_NOSIZE| SWP_NOMOVE);
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return TRUE;
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}
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//
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// FUNCTION: WndProc(HWND, UINT, WPARAM, LPARAM)
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//
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// PURPOSE: Processes messages for the main window.
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//
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// WM_COMMAND - process the application menu
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// WM_PAINT - Paint the main window
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// WM_DESTROY - post a quit message and return
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//
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//
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LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
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{
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int wmId, wmEvent;
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PAINTSTRUCT ps;
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HDC hdc;
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switch (message)
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{
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case WM_CREATE:
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//appendText(txtbox, TEXT("test\r\n"));
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break;
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case WM_COPYDATA:
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return (OnCopyData((COPYDATASTRUCT *) lParam));
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break;
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case WM_COMMAND:
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wmId = LOWORD(wParam);
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wmEvent = HIWORD(wParam);
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// Parse the menu selections:
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switch (wmId)
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{
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case ID_FILE_STARTHOOK:
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StartMessageHook();
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break;
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case ID_FILE_STOPHOOK:
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StopMessageHook();
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break;
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case ID_TESTMSGS_WM:
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SendWmSettext();
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break;
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case ID_TESTMSGS_WMCOM:
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SendWmCommand();
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break;
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case ID_FILE_SETTINGS:
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DialogBox(hInst, MAKEINTRESOURCE(IDD_DIALOG1), hWnd, DlgProc);
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break;
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case IDM_ABOUT:
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DialogBox(hInst, MAKEINTRESOURCE(IDD_ABOUTBOX), hWnd, DlgProc);
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break;
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case ID_FILE_CLEAR:
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SetWindowText(txtbox, _T(""));
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break;
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case IDM_EXIT:
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DestroyWindow(hWnd);
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break;
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default:
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return DefWindowProc(hWnd, message, wParam, lParam);
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}
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break;
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case WM_HOTKEY:
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HotKeyPressed(wParam);
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break;
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case WM_PAINT:
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hdc = BeginPaint(hWnd, &ps);
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// TODO: Add any drawing code here...
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EndPaint(hWnd, &ps);
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break;
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case WM_SIZE:
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{ //resize the txtbox when the parent window size changes
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int nWidth = LOWORD(lParam);
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int nHeight = HIWORD(lParam);
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SetWindowPos(txtbox, HWND_NOTOPMOST, txtboxSpacing, txtboxSpacing, nWidth-(txtboxSpacing*2), nHeight-(txtboxSpacing*2), SWP_NOZORDER|SWP_NOMOVE);
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}
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break;
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case WM_DESTROY:
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PostQuitMessage(0);
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break;
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default:
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return DefWindowProc(hWnd, message, wParam, lParam);
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}
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return 0;
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}
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// Message handler for about box.
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INT_PTR CALLBACK DlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
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{
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UNREFERENCED_PARAMETER(lParam);
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switch (message)
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{
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case WM_INITDIALOG:
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{
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//IDC_EDIT1
|
||||
SendDlgItemMessage(hDlg, IDC_EDIT1, WM_SETTEXT, 0 , (LPARAM)targetClassname);
|
||||
if (filterWmCommand)
|
||||
SendDlgItemMessage(hDlg, IDC_CHECK_CMD, BM_SETCHECK, BST_CHECKED, 0);
|
||||
if (filterWmNotify)
|
||||
SendDlgItemMessage(hDlg, IDC_CHECK_NOT, BM_SETCHECK, BST_CHECKED, 0);
|
||||
if (filterAbove)
|
||||
SendDlgItemMessage(hDlg, IDC_CHECK_ABO, BM_SETCHECK, BST_CHECKED, 0);
|
||||
SendDlgItemMessage(hDlg, IDC_WMCOMW, WM_SETTEXT, 0 , (LPARAM)testWmCommandW);
|
||||
SendDlgItemMessage(hDlg, IDC_WMCOML, WM_SETTEXT, 0 , (LPARAM)testWmCommandL);
|
||||
SendDlgItemMessage(hDlg, IDC_WMSETW, WM_SETTEXT, 0 , (LPARAM)testWmSettextW);
|
||||
SendDlgItemMessage(hDlg, IDC_WMSETL, WM_SETTEXT, 0 , (LPARAM)testWmSettextL);
|
||||
SendDlgItemMessage(hDlg, IDC_HWND, WM_SETTEXT, 0 , (LPARAM)targetHwndStr);
|
||||
|
||||
}
|
||||
return (INT_PTR)TRUE;
|
||||
|
||||
case WM_COMMAND:
|
||||
if (LOWORD(wParam) == IDOK) //only save on OK
|
||||
{
|
||||
GetDlgItemText(hDlg, IDC_EDIT1, targetClassname, 100);
|
||||
GetDlgItemText(hDlg, IDC_WMCOMW, testWmCommandW, MAX_TEST_SIZE);
|
||||
GetDlgItemText(hDlg, IDC_WMCOML, testWmCommandL, MAX_TEST_SIZE);
|
||||
GetDlgItemText(hDlg, IDC_WMSETW, testWmSettextW, MAX_TEST_SIZE);
|
||||
GetDlgItemText(hDlg, IDC_WMSETL, testWmSettextL, MAX_TEST_SIZE);
|
||||
GetDlgItemText(hDlg, IDC_HWND, targetHwndStr, MAX_TEST_SIZE);
|
||||
// check filter options
|
||||
if (SendDlgItemMessage(hDlg, IDC_CHECK_CMD, BM_GETCHECK, 0, 0) == BST_CHECKED) // the hard way
|
||||
filterWmCommand = true;
|
||||
else
|
||||
filterWmCommand = false;
|
||||
if (IsDlgButtonChecked(hDlg, IDC_CHECK_NOT) == BST_CHECKED) // the easy way
|
||||
filterWmNotify = true;
|
||||
else
|
||||
filterWmNotify = false;
|
||||
if (IsDlgButtonChecked(hDlg, IDC_CHECK_ABO) == BST_CHECKED)
|
||||
filterAbove = true;
|
||||
else
|
||||
filterAbove = false;
|
||||
|
||||
InitMsgFiltersAndLookup();
|
||||
}
|
||||
if (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL)
|
||||
{
|
||||
EndDialog(hDlg, LOWORD(wParam));
|
||||
return (INT_PTR)TRUE;
|
||||
}
|
||||
break;
|
||||
}
|
||||
return (INT_PTR)FALSE;
|
||||
}
|
||||
Reference in New Issue
Block a user