第一个Win32程序

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//第一个Win32程序#include <windows.h>int main(){    MessageBox(NULL,TEXT("Hello!"),TEXT("YPP"),MB_OK);    return 0;}

在VS2010运行
VS2010

另一种形式

//第一个Win32程序#include <windows.h>int WINAPI WinMain(HINSTANCE hInstance,                   HINSTANCE hPrevInstance,                   LPSTR lpCmdLine,                   int nCmdShow){    MessageBox(NULL,TEXT("Hello!"),TEXT("YPP"),MB_OK);    return 0;}

运行结果
VC6

完整版的“窗口”

出自《Windows程序设计,第五版》作者Charles Petzold代码的核心是WinProc，也就是真正实现消息响应的模块

//完整的“窗口”#include <windows.h>LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM) ;  //原型int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,                    PSTR szCmdLine, int iCmdShow){     static TCHAR szAppName[] = TEXT ("HelloWin") ;     HWND         hwnd ;     MSG          msg ;     WNDCLASS     wndclass ;     wndclass.style         = CS_HREDRAW | CS_VREDRAW ;     wndclass.lpfnWndProc   = WndProc ;     wndclass.cbClsExtra    = 0 ;     wndclass.cbWndExtra    = 0 ;     wndclass.hInstance     = hInstance ;     wndclass.hIcon         = LoadIcon (NULL, IDI_APPLICATION) ;     wndclass.hCursor       = LoadCursor (NULL, IDC_ARROW) ;     wndclass.hbrBackground = (HBRUSH) GetStockObject (WHITE_BRUSH) ;     wndclass.lpszMenuName  = NULL ;     wndclass.lpszClassName = szAppName ;     if (!RegisterClass (&wndclass))     {          MessageBox (NULL, TEXT ("YPP"),                       szAppName, MB_ICONERROR) ;          return 0 ;     }     hwnd = CreateWindow (szAppName,                                            TEXT ("The Hello Program"),                           WS_OVERLAPPEDWINDOW,                                  CW_USEDEFAULT,                                        CW_USEDEFAULT,                                        CW_USEDEFAULT,                                        CW_USEDEFAULT,                                        NULL,                                                 NULL,                                                 hInstance,                                            NULL) ;                          ShowWindow (hwnd, iCmdShow) ;     UpdateWindow (hwnd) ;     while (GetMessage (&msg, NULL, 0, 0))     {          TranslateMessage (&msg) ;          DispatchMessage (&msg) ;     }     return msg.wParam ;}//窗口过程完成消息响应LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam){     HDC         hdc ;     PAINTSTRUCT ps ;     RECT        rect ;     switch (message)     {             case WM_PAINT:          hdc = BeginPaint (hwnd, &ps) ;                GetClientRect (hwnd, &rect) ;                    DrawText (hdc, TEXT ("这是一个完整的“窗口”"), -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) ;}

在VC6下新建Win32 Application工程，在工程里新建.cpp
粘贴代码，F7组建，Ctrl+F5运行
工程文件下载
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