Screenshot des aktiven Fenster genau wie Alt+Druck

[hathor]

To simulate the ALT-PRINTSCREEN keyboard combination use this line i.e. to capture the active window:

keybd_event(VK_SNAPSHOT, 1, 0, 0);


To simulate the PRINTSCREEN keyboard button press use this line i.e. to capture the entire screen:

keybd_event(VK_SNAPSHOT, 0, 0, 0);