|
马上注册,结交更多好友,享用更多功能^_^
您需要 登录 才可以下载或查看,没有账号?立即注册
x
- <p>#include <windows.h>
- #include <stdio.h>
- LRESULT CALLBACK WinSunProc(HWND , UINT , WPARAM, LPARAM );
- </p><p>
- int WINAPI WinMain(HINSTANCE hInstance,HINSTANCE hPreInst, LPSTR lpszCmdLine, int nCmdShow)
- { //定义的参数可以随意更改,要和系统宏定义和系统结构参数区分开来</p><p> //下面的也可以被改变的,如HINSTANCE hh,HINSTANCE xx,LPSTR cc,int dd</p><p> //当然改了以后在这个函数里面相对应的参数也许要改掉
- HWND hwnd;
- MSG msg;
- WNDCLASS wcex;
- wcex.style = CS_HREDRAW | CS_VREDRAW;
- wcex.cbClsExtra = 0;
- wcex.cbWndExtra = 0;
- wcex.hbrBackground = (HBRUSH)(GetStockObject(WHITE_BRUSH));
- wcex.hCursor = LoadCursor(NULL, IDC_ARROW);
- wcex.hIcon = LoadIcon(NULL, IDI_APPLICATION);
- wcex.hInstance = hInstance; //对应你上面定义的 HINSTANCE hInstance
- wcex.lpfnWndProc = WinSunProc;//对应你声明的回调窗口函数,在上面: LRESULT CALLBACK WinSunProc()
- wcex.lpszClassName = "winapp";
- wcex.lpszMenuName = NULL;
- if (!RegisterClass(&wcex))
- {
- MessageBeep(0);
- return false;
- }
- hwnd = CreateWindow("winapp", "by 天天", WS_OVERLAPPEDWINDOW, 0, 0, 600, 400, NULL, NULL, hInstance, NULL);
- ShowWindow(hwnd, SW_SHOWNORMAL);
- UpdateWindow(hwnd);
- while (GetMessage(&msg, NULL, 0, 0))
- {
- TranslateMessage(&msg);
- DispatchMessage(&msg);
- }
- return msg.wParam;//这里的wParam,不能替换,因为它是MSG结构的成员,并不是下面那一行里面的,它接收的是MSG结构传递的参数
- } //看到这个wParam还以为是下面的呢,不是的,不要试图把它改成和下面的一样,下面的可以改变但是它不能被改变</p><p>
- LRESULT CALLBACK WinSunProc(HWND hwnd, UINT umsg, WPARAM wParam, LPARAM lParam)
- { //这里的hwnd、umsg、wParam、lParam可以随意替换为你想要更改改的值
- //比如HWND hh,UINT uu,WPARAM ww,LPARAM pp </p><p> //当然改了以后在这个函数里面相对应的参数也许要改掉
- switch (umsg)
- {
- case WM_LBUTTONDOWN:
- MessageBox(hwnd, "mouse clicked", "message", 0);
- HDC hdc;
- hdc = GetDC(hwnd); //不能在响应WM_PAINT消息时调用
- TextOut(hdc, 0, 50, "程序员之家", strlen("程序员之家"));
- //ReleaseDC(hwnd,hdc);
- break;
- case WM_CHAR:
- char szChar[20];
- sprintf(szChar, "char code is %d", wParam);
- MessageBox(hwnd, szChar, "char", 0);
- break;
- case WM_PAINT:
- PAINTSTRUCT ps;
- HDC hDC;
- hDC = BeginPaint(hwnd, &ps);
- TextOut(hDC,10,10, "有没有人曾告诉你!", strlen("有没有人曾告诉你"));
- EndPaint(hwnd, &ps);
- break;
- case WM_CLOSE:
- if (IDYES == MessageBox(hwnd, "是否真的结束?", "message", MB_YESNO))
- {
- DestroyWindow(hwnd);
- }
- break;
- case WM_DESTROY:
- PostQuitMessage(0);
- break;
- default:
- return DefWindowProc(hwnd, umsg, wParam, lParam);
- break;
- }
- return 0;
- }</p>
复制代码
|
|