Кто нибудь может подсказать,что можно сделать,чтоб основное окно не закрывалось при закрытии всплывающего?Код Ниже:
| Код |
TCHAR WinClassMessageName[MAX_LOADSTRING] = _T("ABC");
LRESULT CALLBACK WndGraph(HWND, UINT, WPARAM, LPARAM);
ATOM RegisterMessageClass()
{
WNDCLASSEX wcgraph = {0};
wcgraph.cbSize = sizeof(WNDCLASSEX);
wcgraph.style = CS_HREDRAW | CS_VREDRAW;
wcgraph.lpfnWndProc = WndGraph;
wcgraph.hInstance = hInst;
wcgraph.hCursor = LoadCursor(NULL, IDC_CROSS);
wcgraph.hbrBackground = (HBRUSH) (COLOR_WINDOW+1);
wcgraph.lpszClassName = WinClassMessageName;
wcgraph.hIconSm = LoadIcon(hInst,MAKEINTRESOURCE(IDI_SMALL));
return RegisterClassEx(&wcgraph);
}
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
static HWND hGraph;
static int sx,sy;
PAINTSTRUCT ps;
HDC hdc;
switch (message)
{
case WM_SIZE:
sx=LOWORD(lParam);
sy=HIWORD(lParam);
break;
case WM_RBUTTONDOWN:
RegisterMessageClass();
hGraph = CreateWindow(WinClassMessageName, _T("xy-график"),
WS_SYSMENU | WS_POPUP | WS_VISIBLE | WS_THICKFRAME | WS_CAPTION,
300,300, 100, 100, hWnd,0, hInst, NULL);
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
return 0;
}
LRESULT CALLBACK WndGraph(HWND hGraph, UINT message, WPARAM wParam, LPARAM lParam)
{
HDC hdc;
PAINTSTRUCT ps;
static int cx,cy;
switch(message)
{
case WM_SIZE:
cx=LOWORD(lParam)/2;
cy=HIWORD(lParam)/2;
break;
case WM_PAINT:
hdc = BeginPaint(hGraph, &ps);
Ellipse(hdc,cx+30,cy+30,cx-30,cy-30);
EndPaint(hGraph,&ps);
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
default: return DefWindowProc(hGraph, message, wParam, lParam);
}
return 0;
}
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