BlockInput.md

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Function name : BlockInput

Group: Keyboard Input - Library: user32

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Blocks keyboard and mouse input events from reaching applications.

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Code examples:

Disabling mouse and keyboard input for the main VFP window (with the app still running)
Splash Screen for the VFP application

Declaration:

BOOL BlockInput(
  BOOL fBlockIt  // block option
);  

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FoxPro declaration:

DECLARE INTEGER BlockInput IN user32 INTEGER fBlockIt  

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Parameters:

fBlockIt [in] Specifies the function"s purpose. If this parameter is TRUE, keyboard and mouse input events are blocked. If this parameter is FALSE, keyboard and mouse events are unblocked.

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Return value:

If the function succeeds, the return value is nonzero.

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Comments:

Note that only the thread that blocked the input can successfully unblock it.

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