Well I don't think he did. If a post is edited after being created, then it gets the tag [modified] added to the title, and a date put in at the bottom, as you can see in my modified post[^], or indeed, in your first reply to me.
This does not always happen, Richard. I would say 15-20% of the time, old posts that I modify show no sign of change.
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Here is my source code for locking my computer screen (Generally we do by pressing win+L)But Here in the below code what i am trying to do is , when user run the exe created by this application 1st the screen will be invisible (which is not happening in case of win+L) then next time when the user interact with the system it will show the user that the screen is locked .
int APIENTRY WinMain(HINSTANCE hInstance,
// Turn off monitor
Sleep(500); // Eliminate user's interaction for 500 ms
ret =SendMessage(HWND_BROADCAST, WM_SYSCOMMAND, SC_MONITORPOWER, (LPARAM) 2);
@DavidCrow : You are genius man .. Thankxx a lot .. As you said its just because of my Graphics driver . Earlier my graphics driver was not compatible with the hardware .. Now i have installed the new driver .. and the issue is resolved.. Thankxx again ..