#include <windows.h> // Windows的头文件
#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,
HINSTANCE hPrevInstance,
LPSTR lpCmdLine,
int nShowCmd )
{
WNDCLASS wc;
wc.cbClsExtra=0;
wc.cbWndExtra=0;
wc.hbrBackground=(HBRUSH)GetStockObject(BLACK_BRUSH);
wc.hCursor=LoadCursor(NULL,IDC_CROSS);
wc.hIcon=LoadIcon(NULL,IDI_ERROR);
wc.hInstance=NULL;
wc.lpfnWndProc=WinSunProc;
wc.lpszClassName="CC";
wc.lpszMenuName=NULL;
wc.style= CS_HREDRAW | CS_VREDRAW;
RegisterClass(&wc); HWND hwnd;
hwnd=CreateWindow("CC","我的第一个程序",WS_OVERLAPPEDWINDOW,
0,0,400,600,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,"this is %d",wParam);
MessageBox(hwnd,szChar,"CC",0);
break;
case WM_LBUTTONDOWN:
break;
case WM_PAINT:
break;
case WM_CLOSE:
if (IDYES==MessageBox(hwnd,"是否真的关闭?","CC",MB_YESNO))
{
DestroyWindow(hwnd);
}
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
default :
return DefWindowProc(hwnd,uMsg,wParam,lParam);
}
return 0;
}上面的红色
当我点击窗口右上角的叉叉,对话框并没有弹出来,这是为什么?
谢谢
#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,
HINSTANCE hPrevInstance,
LPSTR lpCmdLine,
int nShowCmd )
{
WNDCLASS wc;
wc.cbClsExtra=0;
wc.cbWndExtra=0;
wc.hbrBackground=(HBRUSH)GetStockObject(BLACK_BRUSH);
wc.hCursor=LoadCursor(NULL,IDC_CROSS);
wc.hIcon=LoadIcon(NULL,IDI_ERROR);
wc.hInstance=NULL;
wc.lpfnWndProc=WinSunProc;
wc.lpszClassName="CC";
wc.lpszMenuName=NULL;
wc.style= CS_HREDRAW | CS_VREDRAW;
RegisterClass(&wc); HWND hwnd;
hwnd=CreateWindow("CC","我的第一个程序",WS_OVERLAPPEDWINDOW,
0,0,400,600,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,"this is %d",wParam);
MessageBox(hwnd,szChar,"CC",0);
break;
case WM_LBUTTONDOWN:
break;
case WM_PAINT:
break;
case WM_CLOSE:
if (IDYES==MessageBox(hwnd,"是否真的关闭?","CC",MB_YESNO))
{
DestroyWindow(hwnd);
}
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
default :
return DefWindowProc(hwnd,uMsg,wParam,lParam);
}
return 0;
}上面的红色
当我点击窗口右上角的叉叉,对话框并没有弹出来,这是为什么?
谢谢
因为你正在关闭hwnd,你又把它作为父窗口,可能会有问题?
{
PAINTSTRUCT ps;
BeginPaint(hwnd,&ps);
EndPaint(hwnd,&ps); }
break;
出来了,确实如此,谢谢Gdtr
结账