void axSignApi4_OnReadHighResBitmap(object sender, IStepOverSignatureAPIv4Events_OnReadHighResBitmapEvent e)
{    
	e.highResBitmap = SigDev.ReadHighResBitmap(e.typeOfPic);
}

Private Sub signapi4_OnReadHighResBitmap(ByVal TypeOfPic As Long, HighResBitmap As Variant)     
	HighResBitmap = sigdev.ReadHighResBitmap(TypeOfPic)

procedure TForm1.SignApiReadHighResBitmap(Sender: TObject; TypeOfPic: Integer; out HighResBitmap: OleVariant); 
begin  
	HighResBitmap := StepOverSignatureDevice1.ReadHighResBitmap(TypeOfPic); 
end;

Private Sub signapi4_OnReadHighResBitmap(ByVal TypeOfPic As Long, ByVal HighResBitmap As Object)        
	HighResBitmap = mSignaturDevice.ReadHighResBitmap(TypeOfPic)
End Sub