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  • 孙鑫老师VC++深入详解第一节课源代码(这样写更好理解)

    孙鑫老师VC++深入详解第一节课源代码(这样写更好理解)

    // test.cpp : 定义应用程序的入口点。
    //

    #include "stdafx.h"
    #include "test.h"
    #include <windows.h>
    #include <stdio.h>

    LRESULT CALLBACK WinSunProc(HWND hwnd,UINT uMsg,WPARAM wParam,LPARAM lParam);
    int WINAPI WinMain( HINSTANCE hInstance,HINSTANCE hPrevInstance,  LPSTR lpCmdLine,int nCmdShow)
    {
     WNDCLASS wndcls;
     wndcls.cbClsExtra=0;
     wndcls.cbWndExtra=0;
     wndcls.hbrBackground=(HBRUSH)GetStockObject(BLACK_BRUSH);
     wndcls.hCursor=LoadCursor(NULL,IDC_CROSS);
     wndcls.hIcon=LoadIcon(NULL,IDI_ERROR);
     wndcls.hInstance=hInstance;
     wndcls.lpfnWndProc=WinSunProc;
     wndcls.lpszClassName="sunxin2006";
     wndcls.lpszMenuName=NULL;
     wndcls.style=CS_HREDRAW | CS_VREDRAW;
     RegisterClass(&wndcls);

     HWND hwnd;
     hwnd=CreateWindow("sunxin2006","http://www.qqtu88.com",WS_OVERLAPPEDWINDOW,
      0,0,600,400,NULL,NULL,hInstance,NULL);

     ShowWindow(hwnd,SW_SHOWNORMAL);
     UpdateWindow(hwnd);

     MSG msg;
     while(GetMessage(&msg,NULL,0,0))
     {
      TranslateMessage(&msg);
      DispatchMessage(&msg);
     }
     return msg.wParam;
    }

    LRESULT CALLBACK WinSunProc(HWND hwnd, UINT uMsg,WPARAM wParam,LPARAM lParam)
    {
     switch(uMsg)
     {
     case WM_CHAR:
      char szChar[20];
      sprintf(szChar,"char code is %d",wParam);
      MessageBox(hwnd,szChar,"char",0);
      break;
     case WM_LBUTTONDOWN:
      MessageBox(hwnd,"mouse clicked","message",0);
      HDC hdc;
      hdc=GetDC(hwnd);
      TextOut(hdc,0,50,"程序员之家",strlen("程序员之家"));
      //ReleaseDC(hwnd,hdc);
      break;
     case WM_PAINT:
      HDC hDC;
      PAINTSTRUCT ps;
      hDC=BeginPaint(hwnd,&ps);
      TextOut(hDC,0,0,"http://www.qutuku.com",strlen("http://www.qqtu88.com"));
      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);
     }
     return 0;
    }

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  • 原文地址:https://www.cnblogs.com/yeye518/p/2231608.html
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