这个是窗口超类化

一点代码，上传的工程换成图片格式上传，可以下载到本地然后改成rar即可解压

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// 超子类化.cpp : Defines the entry point for the application. // #include "stdafx.h" LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM); //外部变量 extern WINPROC OldEditproc; TCHAR szMyClass[] ="MYEDIT"; int APIENTRY WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow) { // TODO: Place code here. WNDCLASS wndclass; TCHAR szClassName[] ="Mywin"; HWND hWndMian; MSG msg; wndclass.style = CS_HREDRAW | CS_VREDRAW; wndclass.lpfnWndProc = WndProc; wndclass.cbClsExtra = 0; wndclass.cbWndExtra = 0; wndclass.hIcon = NULL;//LoadIcon (NULL, IDI_APPLICATION) ; wndclass.hCursor = LoadCursor (NULL, IDC_ARROW) ; wndclass.hInstance = hInstance; wndclass.lpszClassName = szClassName; wndclass.lpszMenuName = NULL; wndclass.hbrBackground = (HBRUSH) GetStockObject (WHITE_BRUSH) ; if (!RegisterClass(&wndclass)) { MessageBox(NULL,"RegsiterClass Fail",NULL,NULL); return 0; } WNDCLASS myWndClass; GetClassInfo(NULL, "EDIT", &myWndClass); myWndClass.lpszClassName = szMyClass; OldEditproc = (WINPROC)myWndClass.lpfnWndProc; myWndClass.lpfnWndProc = subClassWinProc; if (!RegisterClass(&myWndClass)) { MessageBox(NULL,"RegsiterMyClass Fail",NULL,NULL); return 0; } hWndMian=CreateWindow(szClassName, "MYWindows", WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, NULL, NULL, hInstance, NULL ); if (hWndMian==NULL) { MessageBox(NULL,"Create Fail",NULL,NULL); return 0; } ShowWindow(hWndMian, nCmdShow); UpdateWindow(hWndMian); while(GetMessage(&msg, NULL, NULL, NULL)) { TranslateMessage(&msg); DispatchMessage(&msg); } return msg.wParam; } / LRESULT WINAPI WndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam) { static RECT rect; PAINTSTRUCT ps; HDC hdc; static HWND hWndEdit; switch (message) { case WM_CREATE: //这个WS_CHILD风格真好玩，没这个的话，这个子控件就可以和父窗口脱离 //而且这个时候我发现这个EDIT控件的标题是他里面的内容 hWndEdit=CreateWindow(szMyClass,"",WS_CHILD|WS_VISIBLE|WS_VSCROLL|ES_MULTILINE|WS_BORDER ,50,50,200,200,hwnd ,NULL,NULL,NULL); return 0; case WM_SIZE: GetClientRect(hwnd, &rect); SetWindowPos(hWndEdit,NULL, rect.left+20, rect.top+22, rect.right/4, rect.bottom/4, NULL ); return 0; case WM_PAINT: hdc=BeginPaint(hwnd,&ps); GetClientRect(hwnd, &rect); DrawText (hdc, TEXT ("Hello, Windows XP!"), -1, &rect, DT_SINGLELINE | DT_CENTER | DT_VCENTER) ; EndPaint (hwnd, &ps) ; return 0 ; case WM_DESTROY: PostQuitMessage(0); return 0; } return DefWindowProc (hwnd, message, wParam, lParam) ; } ///

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