一个多窗口的问题
程序代码：#include <windows.h>
LRESULT CALLBACK WndPr(HWND,UINT,WPARAM,LPARAM);
BOOL Application(HINSTANCE hinstance);
BOOL Initinstance(HINSTANCE hinstance,int nCmdShow);
HWND hwnd,s_hwnd;
MSG msg,s_msg;
static TCHAR szAppName[] = TEXT ("HelloWin") ;
int WINAPI WinMain(HINSTANCE hinstance,HINSTANCE hPrevInstance,LPSTR szCmdLine,int nCmdShow)
{
Application(hinstance);
Initinstance(hinstance,nCmdShow);
while (GetMessage (&msg,NULL, 0, 0))
{
TranslateMessage (&msg) ;
DispatchMessage (&msg) ;
}
return msg.wParam;
}
BOOL Application(HINSTANCE hinstance)
{
WNDCLASS wndclass ;
wndclass.style = CS_HREDRAW | CS_VREDRAW ;
wndclass.lpfnWndProc = WndPr ;
wndclass.cbClsExtra = 0 ;
wndclass.cbWndExtra = 0 ;
wndclass.hInstance = hinstance ;
wndclass.hIcon = LoadIcon (NULL, IDI_APPLICATION) ;
wndclass.hCursor = LoadCursor (NULL, IDC_ARROW) ;
wndclass.hbrBackground= (HBRUSH) GetStockObject (WHITE_BRUSH) ;
wndclass.lpszMenuName = NULL ;
wndclass.lpszClassName= szAppName ;
if (!RegisterClass (&wndclass))
{
MessageBox ( NULL, TEXT ("This program requires Windows NT!"),
szAppName, MB_ICONERROR) ;
return FALSE ;
}
return TRUE;
}
BOOL Initinstance(HINSTANCE hinstance,int nCmdShow)
{
hwnd = CreateWindow( szAppName, // window class name
TEXT ("The Hello Program"), // window caption
WS_OVERLAPPEDWINDOW, // window style
CW_USEDEFAULT,// initial x position
CW_USEDEFAULT,// initial y position
CW_USEDEFAULT,// initial x size
CW_USEDEFAULT,// initial y size
NULL, // parent window handle
NULL, // window menu handle
hinstance, // program instance handle
NULL) ; // creation parameters
if(!hwnd)
return FALSE;
ShowWindow (hwnd, nCmdShow) ;
UpdateWindow (hwnd) ;
s_hwnd = CreateWindow( szAppName, // window class name
TEXT ("Hello Mr.chen"), // window caption
WS_OVERLAPPEDWINDOW, // window style
CW_USEDEFAULT,// initial x position
CW_USEDEFAULT,// initial y position
CW_USEDEFAULT,// initial x size
CW_USEDEFAULT,// initial y size
NULL, // parent window handle
NULL, // window menu handle
hinstance, // program instance handle
NULL) ; // creation parameters
if(!s_hwnd)
return FALSE;
ShowWindow (s_hwnd, nCmdShow) ;
//UpdateWindow (s_hwnd) ;
return TRUE;
}
LRESULT CALLBACK WndPr (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
HDC hdc ;
PAINTSTRUCT ps ;
RECT rect ;
/*if(hwnd==hwnd)
MessageBox(NULL,"Oh!NO!","Dialog",MB_YESNO|MB_ICONHAND);
PostQuitMessage (0) ;*/
switch (message)
{
case WM_PAINT:
if(hwnd==hwnd){
hdc = BeginPaint (hwnd, &ps) ;
GetClientRect (hwnd, &rect) ;
DrawText (hdc, TEXT ("Hello, Windows 98!"), -1, &rect,
DT_SINGLELINE | DT_CENTER | DT_VCENTER) ;
EndPaint (hwnd, &ps) ;
}
else if(s_hwnd==hwnd){
hdc = BeginPaint (hwnd, &ps) ;
GetClientRect (hwnd, &rect) ;
DrawText (hdc, TEXT ("Hello, Windows 98!"), -1, &rect,
DT_SINGLELINE | DT_CENTER | DT_VCENTER) ;
EndPaint (hwnd, &ps) ;
};
return 0 ;
case WM_DESTROY:
PostQuitMessage (0) ;
return 0 ;
}
return DefWindowProc (hwnd, message, wParam, lParam) ;
}
我想利用同一个窗口类，建立多个窗口并显示出来为什么对于最大化和最小化窗口，两个窗口是独立的，互不影响。但是点击关闭一个窗口后，两个窗口都关闭了。
这是什么原因？？？我想显示完全独立的2个窗口
