winmain.cpp

VC培训第一课

#include <windows.h>
#include <stdio.h>

LRESULT CALLBACK WinSunProc(
  HWND hwnd,      // handle to window
  UINT uMsg,      // message identifier
  WPARAM wParam,  // first message parameter
  LPARAM lParam   // second message parameter
);

int WINAPI WinMain(
  HINSTANCE hInstance,      // handle to current instance
  HINSTANCE hPrevInstance,  // handle to previous instance
  LPSTR lpCmdLine,          // command line
  int nCmdShow              // show state
)
{
	WNDCLASS wndclass;
	wndclass.cbClsExtra=0;
	wndclass.cbWndExtra=0;
	wndclass.hbrBackground=(HBRUSH)GetStockObject(WHITE_BRUSH);
	wndclass.hCursor=LoadCursor(NULL,IDC_CROSS);
	wndclass.hIcon=LoadIcon(NULL,IDI_WINLOGO);
	wndclass.hInstance=hInstance;
	wndclass.lpfnWndProc=WinSunProc;
	wndclass.lpszClassName="Weixin";
	wndclass.lpszMenuName=NULL;
	wndclass.style=CS_HREDRAW|CS_VREDRAW;
	RegisterClass(&wndclass);

	HWND hwnd;
	hwnd=CreateWindow("Weixin","北京维新科学技术培训中心",WS_OVERLAPPEDWINDOW,
		225,160,600,400,NULL,NULL,hInstance,NULL);

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

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

LRESULT CALLBACK WinSunProc(
  HWND hwnd,      // handle to window
  UINT uMsg,      // message identifier
  WPARAM wParam,  // first message parameter
  LPARAM lParam   // second message parameter
)
{
	switch(uMsg)
	{
	case WM_CHAR:
		char szChar[20];
		sprintf(szChar,"char is %d",wParam);
		MessageBox(hwnd,szChar,"weixin",0);
		break;
	case WM_PAINT:
		HDC hDC;
		PAINTSTRUCT ps;
		hDC=BeginPaint(hwnd,&ps);
		TextOut(hDC,255,50,"维新培训",strlen("维新培训"));
		EndPaint(hwnd,&ps);
		break;
	case WM_LBUTTONDOWN:
		MessageBox(hwnd,"Left Button Clicked","weixin",0);
		HDC hdc1;
		hdc1=GetDC(hwnd);
		TextOut(hdc1,225,100,"计算机编程语言培训",strlen("计算机编程语言培训"));
		ReleaseDC(hwnd,hdc1);
		break;
	case WM_RBUTTONDOWN:
		MessageBox(hwnd,"Right Button Clicked","weixin",0);
		HDC hdc2;
		hdc2=GetDC(hwnd);
		TextOut(hdc2,225,150,"计算机编程语言培训",strlen("计算机编程语言培训"));
		ReleaseDC(hwnd,hdc2);
		break;
	case WM_CLOSE:
		if(IDYES==MessageBox(hwnd,"是否真的结束?","weixin",MB_YESNO))
		{
			DestroyWindow(hwnd);
		}
		break;
	case WM_DESTROY:
		PostQuitMessage(0);
		break;
	default:
		return DefWindowProc(hwnd,uMsg,wParam,lParam);
	}
	return 0;
}