vc++写的windows窗口问题
为什么我写的窗口我运行后无法控制,源码在儿,求高手帮忙看看,是代码的问题么?如果是改怎么改?
#include<windows.h>
#include<stdio.h>
LRESULT CALLBACK wndproc(HWND,UINT,WPARAM,LPARAM);
int WINAPI WinMain(HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPSTR lpCmdLine,
int nShowCmd)
{
WNDCLASS wndclass;
wndclass.cbClsExtra=0;
wndclass.cbWndExtra=0;
wndclass.hbrBackground=(HBRUSH)::GetStockObject(BLACK_BRUSH);
wndclass.hCursor=::LoadCursor(NULL,IDC_APPSTARTING);
wndclass.hIcon=::LoadIcon(NULL,IDI_APPLICATION);
wndclass.hInstance=hInstance;
wndclass.lpfnWndProc=wndproc;
wndclass.lpszClassName="sujunda";
wndclass.lpszMenuName=NULL;
wndclass.style=CS_HREDRAW|CS_VREDRAW;
::RegisterClass(&wndclass);
HWND hwnd=::CreateWindow("sujunda",
"first window",
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT,
CW_USEDEFAULT,
CW_USEDEFAULT,
CW_USEDEFAULT,
NULL,
NULL,
hInstance,
NULL);
::ShowWindow(hwnd,SW_SHOW);
::UpdateWindow(hwnd);
MSG msg;
while(::GetMessage(&msg,NULL,0,0));
{
::TranslateMessage(&msg);
::DispatchMessage(&msg);
}
return 0;
}
LRESULT CALLBACK wndproc(HWND hwnd,
UINT uMsg,
WPARAM wparam,
LPARAM lparam)
{
PAINTSTRUCT ps;
HDC hdc;
switch(uMsg)
{
case WM_PAINT:
hdc=::BeginPaint(hwnd,&ps);
TextOut(hdc,10,10,"最简答的窗口",strlen("最简答的窗口"));
::EndPaint(hwnd,&ps);
break;
case WM_CHAR:
char szChar[20];
sprintf(szChar,"编码是:",wparam);
::MessageBox(hwnd,szChar,"first window",MB_OK);
break;
case WM_QUIT:
{
::PostQuitMessage(0);
break;
}
default:
return ::DefWindowProc(hwnd,uMsg,wparam,lparam);
}
return 0;
}