basic win32 api mode

最新推荐文章于 2025-06-04 22:14:16 发布

原创最新推荐文章于 2025-06-04 22:14:16 发布 · 1.7k 阅读

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#basic #api #pascal #callback #function #null

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博客展示了Windows程序的编写要点，包括必须有入口点WinMain和解决消息循环的函数。给出了具体代码示例，包含WinMain函数的实现，用于创建窗口、显示窗口和处理消息循环，还有WndProc回调函数处理窗口消息。

1.must have an entrypoint: WinMain
2.must have a function to solve message loop.
//sothing.c
#include <windows.h>
int PASCAL WinMain(HINSTANCE,HINSTANCE,LPSTR,INT);
LRESULT CALLBACK WndProc(HWND,UINT,WPARAM,LPARAM);

HINSTANCE hInst;
char szAppName[]=“....“;
char szAppTitle[]=“...“;

int PASCAL WinMain(HINSTANCE hInstance,HINSTANCE hPreInstance,LPSTR lpszCmdParam,INT nCmdShow)
{
     HWND hWnd;
     MSG     message;
     WNDCLASS wc;
     if(!hPreInstance)
      {
            wc.style=......
            wc.lpfnWndProc=WndProc;

            RegisterClass(&wc);
       }
       hWnd=CreateWindow(
                         .....
                        );
     ShowWindow(hWnd,....);
     UpdateWindow(hWnd);
   while(GetMessage(&message,NULL,0,0))
          {
             TranslateMessage(&message);
             DispatchMessage(&message);
          }
   return message.wParam;
}

LRESULT CALLBACK WndProc(HWND hWndMain,
                                                        UNIT   message,
                                                        WPARAM wParam,
                                                        LPARAM lParam)
{
             ...
         switch(message)
         {
               case WM_DESTROY:
                          ....

         }
          return DefWindowProc(hWndMain,message,wParam,lParam);
}