RAD Studio VCL Reference
TComponent.UpdateAction Method

Updates the state of an action.

function UpdateAction(Action: TBasicAction): Boolean; dynamic;
__fastcall Boolean UpdateAction(TBasicAction Action);

UpdateAction is used to update the state of an action. Action is a TBasicAction or any descendant.  

UpdateAction first checks if the provided action is compatible with the component and then updates it. The return value is a boolean. A value of true is returned if the action was updated, and false otherwise.  

Derived classes can override this method to implement a distinct way of handling action updates. 


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