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| #include <stdio.h>
#include <windows.h>
LRESULT CALLBACK OnStaticEvent(HWND Handle, UINT Message, WPARAM WParam, LPARAM LParam)
{
LONG_PTR Callback;
PAINTSTRUCT Paint;
HDC Hdc;
char DebugStr[255];
Callback = GetWindowLongPtr(Handle, GWLP_USERDATA);
if (Message == WM_PAINT)
{
Hdc = BeginPaint(Handle, &Paint);
sprintf(DebugStr, "%d", GetTickCount());
TextOut(Hdc, 10, 10, DebugStr, strlen(DebugStr));
EndPaint(Handle, &Paint);
InvalidateRect(Handle, NULL, true);
return 0;
}
return CallWindowProc((WNDPROC)Callback, Handle, Message, WParam, LParam);
}
LRESULT CALLBACK OnEvent(HWND Handle, UINT Message, WPARAM WParam, LPARAM LParam)
{
if ((Message == WM_CLOSE) || ((Message == WM_KEYDOWN) && (LOWORD(WParam) == VK_ESCAPE)))
{
PostQuitMessage(0);
return 0;
}
return DefWindowProc(Handle, Message, WParam, LParam);
}
INT WINAPI WinMain(HINSTANCE Instance, HINSTANCE, LPSTR, INT)
{
WNDCLASS WindowClass;
MSG Message;
HWND Window;
HWND View1;
HWND View2;
LONG_PTR Callback1;
LONG_PTR Callback2;
WindowClass.style = 0;
WindowClass.lpfnWndProc = &OnEvent;
WindowClass.cbClsExtra = 0;
WindowClass.cbWndExtra = 0;
WindowClass.hInstance = Instance;
WindowClass.hIcon = NULL;
WindowClass.hCursor = 0;
WindowClass.hbrBackground = (HBRUSH)COLOR_BACKGROUND;
WindowClass.lpszMenuName = NULL;
WindowClass.lpszClassName = "App";
RegisterClass(&WindowClass);
Window = CreateWindow("App", "App", WS_SYSMENU | WS_VISIBLE, 0, 0, 800, 600, NULL, NULL, Instance, NULL);
View1 = CreateWindow("STATIC", NULL, WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS, 100, 100, 250, 400, Window, NULL, Instance, NULL);
Callback1 = SetWindowLongPtr(View1, GWLP_WNDPROC, (LONG_PTR)&OnStaticEvent);
SetWindowLongPtr(View1, GWLP_USERDATA, Callback1);
UpdateWindow(View1);
View2 = CreateWindow("STATIC", NULL, WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS, 450, 100, 250, 400, Window, NULL, Instance, NULL);
Callback2 = SetWindowLongPtr(View2, GWLP_WNDPROC, (LONG_PTR)&OnStaticEvent);
SetWindowLongPtr(View2, GWLP_USERDATA, Callback2);
UpdateWindow(View2);
while (GetMessage(&Message, NULL, 0, 0))
{
TranslateMessage(&Message);
DispatchMessage(&Message);
}
return EXIT_SUCCESS;
} |
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