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Using Delphi for jiggling the mouse – twm’s blog

Posted by jpluimers on 2020/09/16

To prevent a screen-saver from kicking in [WayBack] jiggling the mouse – twm’s blog:

My solution then is this procedure:

procedure JiggleMouse;
  Inpt: TInput;
  Inpt.Itype := INPUT_MOUSE;
  Inpt.mi.dx := 0;
  Inpt.mi.dy := 0;
  Inpt.mi.mouseData := 0;
  Inpt.mi.dwFlags := MOUSEEVENTF_MOVE;
  Inpt.mi.time := 0;
  Inpt.mi.dwExtraInfo := 0;
  SendInput(1, Inpt, SizeOf(Inpt));

Call it in regular intervals and the screen saver will not start.

This is now (or soon will be) in the u_dzOsUtils unit which is part of my dzlib utility library.


One Response to “Using Delphi for jiggling the mouse – twm’s blog”

  1. ruurd said

    Alternative approach: punch the Scroll Lock key twice in a row.

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