Root > Reference > All Functions > UnRegisterEventCustomDataRequest

Procedure UnRegisterEventCustomDataRequest

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Unregisters previously registered OnCustomDataRequest event handler.

 

Unit

EEvents

 

Syntax

 

Code (Delphi)

procedure UnRegisterEventCustomDataRequest(

const AHandler: TELEvCustomDataRequestMeth

); overload;

 

procedure UnRegisterEventCustomDataRequest(

const ACustom: Pointer;

const AHandler: TELEvCustomDataRequestProc

); overload;

 

Parameters

AHandler [in]

Event handler to unregister.

 

ACustom [in, optional]

(for procedural event handlers only)

 

Custom pointer to be passed into handler.

 

Must be the same pointer which was passed to event registration routine.

 

Remarks

If the specified event handler wasn't registered - does nothing. Otherwise handler is removed and it will be no longer be invoked.

 

Tip

It's best to call this routine in object's destructor (for method event handlers) or unit's finalization section (for procedural event handlers).

 

See also




Send feedback... Build date: 2023-09-11
Last edited: 2023-09-11
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