Send Ctrl+Key to a 3rd Party Application

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北荒
北荒 2021-01-03 08:52

Im using a 3rd Party Application that exports a file. The application uses a hot key (Ctrl + E) as a shortcut for this function.

How can I send

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  • 2021-01-03 09:16

    Here is an example which shows how to send Ctrl+E to the foreground application using SendInput:

    var
      Inputs: array [0..3] of TInput;
    begin
      // press
      Inputs[0].Itype := INPUT_KEYBOARD;
      Inputs[0].ki.wVk := VK_CONTROL;
      Inputs[0].ki.dwFlags := 0;
    
      Inputs[1].Itype := INPUT_KEYBOARD;
      Inputs[1].ki.wVk := Ord('E');
      Inputs[1].ki.dwFlags := 0;
    
      // release
      Inputs[2].Itype := INPUT_KEYBOARD;
      Inputs[2].ki.wVk := Ord('E');
      Inputs[2].ki.dwFlags := KEYEVENTF_KEYUP;
    
      Inputs[3].Itype := INPUT_KEYBOARD;
      Inputs[3].ki.wVk := VK_CONTROL;
      Inputs[3].ki.dwFlags := KEYEVENTF_KEYUP;
    
      SendInput(Length(Inputs), Inputs[0], SizeOf(TInput));
    end;
    

    I also use a slightly modified version of SendKeys.pas from Steve Seymour. It had some problems with different keyboard layouts and is from 1999. Couldn't find it anywhere in the net.

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  • 2021-01-03 09:18

    See question: Send keys to a twebbrowser? There is an answer there (Matt Handel) that links to an article with an example of using the SendKeys unit, and obtaining the handle of the target window.

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