RAD Studio VCL Reference
TAction.OnHint Event

Occurs when the mouse pauses over a client control or menu item.

property OnHint: THintEvent;
__property THintEvent OnHint;

Use OnHint to override the default hint that appears when the user pauses the mouse over a client control or menu item. The OnHint event handler can change the hint that appears (by changing the HintStr parameter), or display the hint in some application-specific way. 


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