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Gets caption of active window.
Unit
ESysInfo
Syntax
Code (Delphi)
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function GetActiveFormText(
const AWnd: HWND = 0
): String;
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Return value
If the function succeeds and there is active window, the return value is caption of active window.
Sample output: 'XMLDocToXML - Embarcadero RAD Studio 2010 - ESysInfo'
If the function succeeds but there is no active window, the return value is empty string.
If the function fails, the return value is error message.
Remarks
This function is combination of WM_GETTEXT message from GetForegroundWindow
Note
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This function uses a timeout of 100 ms. If active window is hung and not responding - function will fail after timeout. Therefore it's safe to call this function, no deadlock is possible.
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Tip
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Return value nevers contain line breaks.
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See also
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Send feedback...
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Build date: 2023-09-11
Last edited: 2023-09-11
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