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TCustomDataSetAdapterImageField.ImplUpdateValue Method
TCustomDataSetAdapterImageField Class | TCustomDataSetAdapterImageField Members | DBAdaptImg Namespace | Description | See Also
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Provides the underlying implementation for the UpdateValue method.

Pascal
procedure ImplUpdateValue(AActionRequest: IActionRequest; AFieldIndex: Integer); override;
C++
virtual __fastcall ImplUpdateValue(IActionRequest AActionRequest, int AFieldIndex);
Description

The UpdateValue method calls ImplUpdateValue to respond when the user assigns a new value to this field. 

AActionRequest is interface of the action request object. ImplUpdateValue can use this interface to obtain information about the current request (such as the value the user assigned to this field). 

AFieldIndex is the index of this field in the set of field values that AActionRequest maintains. 

ImplUpdateValue calls the CheckOrUpdateValue method to write the image that AActionRequest contains to the associated graphic field. 

 

See Also
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