了解一下Windows Cracker
Windows Cracker
消息拆析宏
可以为消息进行参数分解
无需记住或查阅资料来了解WParam和lParam的意义
可以忘记旧的消息处理方式:switch/case
不适合于大型复杂的需要处理大量消息的应用: coding is slow and program debugging and maintenance become slow as the application grows.
WindowsX.h
包含三种类型的宏: Macro APIs, window message crackers, Control APIs
优点:
1)减少强制类型转换数量,避免强制类型转换出错;
2)程序可读性增强;
3)16位和Win32 API之间的转换;
4)简便易懂(宏);
5)容易与现存代码结合;
6)可用于C语言和C++语言;
7)可效仿编制自己的宏;
8) 使用这些宏,你不必关心和了解隐含的Windows结构。
代码Demo:
#include <windows.h> #include <windowsx.h> #include <tchar.h> #include <cstdio> FILE* fp = NULL; /* BOOL Cls_OnCreate(HWND hwnd, LPCREATESTRUCT lpCreateStruct) */ //#define HANDLE_WM_CREATE(hwnd, wParam, lParam, fn) ((fn)((hwnd), (LPCREATESTRUCT)(lParam)) ? 0L : (LRESULT)-1L) //#define FORWARD_WM_CREATE(hwnd, lpCreateStruct, fn) (BOOL)(DWORD)(fn)((hwnd), WM_CREATE, 0L, (LPARAM)(LPCREATESTRUCT)(lpCreateStruct)) BOOL fnWndProc_OnCreate(HWND hWnd, LPCREATESTRUCT lpCreateStruct) { fprintf(fp," Entering fnWndProc_OnCreate()\n"); fprintf(fp," hWnd = %u\n",(unsigned)hWnd); fprintf(fp," Leaving fnWndProc_OnCreate()\n\n"); /* MSDN states WM_CREATE should return 0 to continue and -1 for failure */ //return FALSE; /* but the HANDLE_WM_CREATE macro translates return values greater than zero to 0, and the rest to -1. */ return TRUE; } /* void Cls_OnSize(HWND hwnd, UINT state, int cx, int cy) */ // #define HANDLE_WM_SIZE(hwnd, wParam, lParam, fn) ((fn)((hwnd), (UINT)(wParam), (int)(short)LOWORD(lParam), (int)(short)HIWORD(lParam)), 0L) // #define FORWARD_WM_SIZE(hwnd, state, cx, cy, fn) (void)(fn)((hwnd), WM_SIZE, (WPARAM)(UINT)(state), MAKELPARAM((cx), (cy))) void fnWndProc_OnSize(HWND hWnd, UINT state, int cx, int cy) { fprintf(fp," Entering fnWndProc_OnSize()\n"); fprintf(fp," Width = %d\tHeight = %d\n",cx,cy); fprintf(fp," Leaving fnWndProc_OnSize()\n\n"); } /* void Cls_OnPaint(HWND hwnd) */ // #define HANDLE_WM_PAINT(hwnd, wParam, lParam, fn) ((fn)(hwnd), 0L) // #define FORWARD_WM_PAINT(hwnd, fn) (void)(fn)((hwnd), WM_PAINT, 0L, 0L) void fnWndProc_OnPaint(HWND hWnd) { PAINTSTRUCT ps; HDC hDC; fprintf(fp," Entering fnWndProc_OnPaint()\n"); hDC=BeginPaint(hWnd,&ps); fprintf(fp," Painting Window!\n"); fprintf(fp," ps.rcPaint.right = %d\n",(int)ps.rcPaint.right); fprintf(fp," ps.rcPaint.bottom = %d\n",(int)ps.rcPaint.bottom); EndPaint(hWnd,&ps); fprintf(fp," Leaving fnWndProc_OnPaint()\n\n"); } /* void Cls_OnClose(HWND hwnd) */ // #define HANDLE_WM_CLOSE(hwnd, wParam, lParam, fn) ((fn)(hwnd), 0L) // #define FORWARD_WM_CLOSE(hwnd, fn) (void)(fn)((hwnd), WM_CLOSE, 0L, 0L) void fnWndProc_OnClose(HWND hWnd) { fprintf(fp," Entering fnWndProc_OnClose()\n"); fprintf(fp," hWnd = %u\n",(unsigned)hWnd); DestroyWindow(hWnd); fprintf(fp," Leaving fnWndProc_OnClose()\n"); } /* void Cls_OnDestroy(HWND hwnd) */ // #define HANDLE_WM_DESTROY(hwnd, wParam, lParam, fn) ((fn)(hwnd), 0L) // #define FORWARD_WM_DESTROY(hwnd, fn) (void)(fn)((hwnd), WM_DESTROY, 0L, 0L) void fnWndProc_OnDestroy(HWND hWnd) { fprintf(fp," Entering fnWndProc_OnDestroy()\n"); fprintf(fp," hWnd = %u\n",(unsigned)hWnd); PostQuitMessage(0); fprintf(fp," Leaving fnWndProc_OnDestroy()\n"); } LRESULT CALLBACK fnWndProc(HWND hwnd, unsigned int msg, WPARAM wParam, LPARAM lParam) { switch(msg) { HANDLE_MSG(hwnd, WM_CREATE, fnWndProc_OnCreate); HANDLE_MSG(hwnd, WM_SIZE, fnWndProc_OnSize); HANDLE_MSG(hwnd, WM_PAINT, fnWndProc_OnPaint); HANDLE_MSG(hwnd, WM_CLOSE, fnWndProc_OnClose); HANDLE_MSG(hwnd, WM_DESTROY, fnWndProc_OnDestroy); default:return (DefWindowProc(hwnd, msg, wParam, lParam)); } } int WINAPI WinMain(HINSTANCE hIns, HINSTANCE hPrevIns, LPSTR lpszArgument, int nShow) { TCHAR szClassName[] = _T("Debugging Windows Programs"); WNDCLASSEX wc; MSG messages; HWND hWnd; wc.lpszClassName = szClassName; wc.lpfnWndProc=fnWndProc; wc.cbSize = sizeof(WNDCLASSEX); wc.style=CS_DBLCLKS; wc.hIcon = LoadIcon(NULL,IDI_APPLICATION); wc.hInstance=hIns; wc.hIconSm = LoadIcon(NULL, IDI_APPLICATION); wc.hCursor=LoadCursor(NULL,IDC_ARROW); wc.hbrBackground = (HBRUSH)COLOR_BTNSHADOW; wc.cbWndExtra=0; wc.lpszMenuName = NULL; wc.cbClsExtra=0; RegisterClassEx(&wc); fp = fopen("Output.txt","w"); fprintf(fp,"Output.txt Opened In WinMain()\n"); hWnd = CreateWindowEx(0,szClassName,szClassName,WS_OVERLAPPEDWINDOW,75,75,320,305,HWND_DESKTOP,0,hIns,0); ShowWindow(hWnd,nShow); while(GetMessage(&messages,NULL,0,0)) { TranslateMessage(&messages); DispatchMessage(&messages); } fprintf(fp,"Output.txt Closed In WinMain()\n"); fclose(fp); return messages.wParam; }
输出Output.txt
Output.txt Opened In WinMain() Entering fnWndProc_OnCreate() hWnd = 658154 Leaving fnWndProc_OnCreate() Entering fnWndProc_OnSize() Width = 304 Height = 267 Leaving fnWndProc_OnSize() Entering fnWndProc_OnPaint() Painting Window! ps.rcPaint.right = 304 ps.rcPaint.bottom = 267 Leaving fnWndProc_OnPaint() Entering fnWndProc_OnClose() hWnd = 658154 Entering fnWndProc_OnDestroy() hWnd = 658154 Leaving fnWndProc_OnDestroy() Leaving fnWndProc_OnClose() Output.txt Closed In WinMain()
参考:http://www.cplusplus.com/forum/windows/59737/
http://www.softpedia.com/get/Programming/SDK-DDK/Message-Cracker-Wizard.shtml (Message Cracker Wizard)
An innovative tool makes every Windows developer forget about the old way of handling messages!
百度云:http://pan.baidu.com/s/1dFkTds9%20 密码:8q7o