vc++深入详解第一章程序

在qt与mfc之间，最终我还是决定点了mfc这个技能树，五月的天很美

#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
)
{
//design an ob
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);


//创建窗口，并获得返回句柄
HWND hwnd;
hwnd=CreateWindow("sunxin2006","thankyou",WS_OVERLAPPEDWINDOW,0,0,600,400,NULL,NULL,hInstance,NULL);


//显示及刷新窗口
ShowWindow(hwnd,SW_SHOWNORMAL);
UpdateWindow(hwnd);


//定义消息结构体，开始消息循环
MSG msg;
while(GetMessage(&msg,NULL,0,0))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
return msg.wParam;
}




//编写窗口过程函数
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_RBUTTONDOWN:
MessageBox(hwnd,"右键按下","message",0);
HDC Hdc;
Hdc=GetDC(hwnd);
TextOut(Hdc,0,100,"砖头之家",strlen("砖头之家"));
ReleaseDC(hwnd,Hdc);
break;
case WM_PAINT:
HDC hDC;
PAINTSTRUCT ps;
hDC=BeginPaint(hwnd,&ps);
TextOut(hDC,0,0,"thankyou",strlen("thankyou"));
EndPaint(hwnd,&ps);
break;
case WM_CLOSE:
if(IDYES==MessageBox(hwnd,"是否真的要结束","message",MB_YESNO))
{
DestroyWindow(hwnd);
}
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
default:
return DefWindowProc(hwnd,uMsg,wParam,lParam);
}
return 0;
}