TdxPDFCustomViewer.OnAttachmentSave Event

Allows you to prevent users from saving certain PDF document attachments.

Declaration

Delphi

property OnAttachmentSave: TdxPDFViewerOnAttachmentActionEvent read; write;

Remarks

You can handle the OnAttachmentSave event to implement a custom attachment save operation or prevent users from saving certain document attachments.

Event Occurrence

The OnAttachmentSave event occurs every time the Save As dialog is about to appear when a user clicks:

• The active Save Attachment button on the Attachments page on the Navigation Pane.
• The Save Embedded File to Disk… item in a context menu displayed for a file attachment annotation or a file listed on the Attachments page.

Event Parameters

The following parameters are available within an OnAttachmentSave event handler:

Sender

Provides access to the PDF Viewer control that raised the OnAttachmentSave event.

AAttachment

Provides access to the target attachment. For example, you can use the AAttachment.Data property to implement a custom attachment save routine.

AHandled

Specifies if the PDF Viewer control opens the Save As dialog for the target attachment. Assign True to this parameter within an OnAttachmentSave event handler to prevent users from saving the attachment.

Refer to the TdxPDFViewerOnAttachmentActionEvent type description for detailed information on all available options.