windows GDI编程窗口模板

#include <Windows.h>
HWND hwnd;
static TCHAR szAppName[]=TEXT("hellowin");
HRESULT CALLBACK WndProc(HWND hwnd,UINT msg,WPARAM wparam,LPARAM lparam)
{
HDC hdc;
PAINTSTRUCT ps;
RECT rect;
switch(msg)
{
case WM_PAINT:
hdc=BeginPaint(hwnd,&ps);
GetClientRect(hwnd,&rect);
DrawText(hdc,TEXT("fuck jameslee"),-1,&rect,DT_SINGLELINE | DT_CENTER | DT_VCENTER);
EndPaint(hwnd,&ps);
return 0;
case WM_DESTROY:
PostQuitMessage(0);
return 0;
}
return DefWindowProc(hwnd,msg,wparam,lparam);
}

int init(HINSTANCE hInstance)
{
WNDCLASSEX wndclass;
wndclass.cbSize        = sizeof(WNDCLASSEX);
wndclass.style         = CS_HREDRAW | CS_VREDRAW;
wndclass.lpfnWndProc   = WndProc;
wndclass.hInstance     = hInstance;
wndclass.hIcon	       = NULL ;
wndclass.hIconSm	   = NULL ;
wndclass.hCursor       = LoadCursor(NULL, IDC_ARROW);
wndclass.hbrBackground = NULL ;
wndclass.lpszMenuName  = NULL;
wndclass.cbClsExtra    = 0;
wndclass.cbWndExtra    = 0;
wndclass.lpszClassName=szAppName;
if(!RegisterClassEx(&wndclass))
{
MessageBox(NULL,TEXT("Register Class Error"),szAppName,MB_ICONERROR);
return 0;
}
}

int WINAPI WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,PSTR szCmdLine,int iCmdShow)
{
MSG msg;
init(hInstance);
hwnd=CreateWindow(szAppName,
TEXT("The hello program"),
WS_OVERLAPPEDWINDOW,
//窗口样式，WS_POPUPWINDOW 无边框窗口，此时不能用DEFAULT
CW_USEDEFAULT,//左上角坐标
CW_USEDEFAULT,
CW_USEDEFAULT,//窗口宽度(调用函数获取右下角x坐标)
CW_USEDEFAULT,
NULL,
NULL,
hInstance,
NULL);
ShowWindow(hwnd,iCmdShow);
UpdateWindow(hwnd);

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

}