THPDFBarcode.OnChange Property
Controls the on change setting used by the barcode workflow. Set it before the related page, document, or resource output is written so the generated PDF records the intended state
Declaration
property OnChange: TNotifyEvent read FOnChange write FOnChange;Unit
HPDFBarcode
Parameters
| Name | Purpose |
|---|---|
| This member does not expose explicit parameters | |
Return value
Returns the current value of the OnChange property
Usage notes
- Use this API in the barcode workflow before the affected page, resource, field, or catalog object is finalized
- Keep object names, field names, resource names, and returned handles stable until the document is finalized
- Set barcode geometry and text before calling drawing methods