How do I make a program run fullscreen from within its source code?
How do I make a program run fullscreen from within its source code?
Search the board - it's been answered before.
If you dance barefoot on the broken glass of undefined behaviour, you've got to expect the occasional cut.
If at first you don't succeed, try writing your phone number on the exam paper.
ShowWindow(hWnd, SW_SHOWMAXIMIZED);