ITBarCodeEvents.BeforeDraw

void BeforeDraw()

Fired before the barcode will be drawn but after it was computed.

In this event the user has the possibility to change barcode settings (e.g. the module width). Instruct TBarCode to re-compute all settings by setting ITBarCodeBase::DrawStatus to eDST_Retry.
This event is not fired when using ITBarCode::SaveImage / ITBarCode::ConvertToStream methods.