TdxPDFViewerOnAttachmentActionEvent Type

The procedural type for attachment action events.

Declaration

Delphi

TdxPDFViewerOnAttachmentActionEvent = procedure(Sender: TdxPDFCustomViewer; AAttachment: TdxPDFFileAttachment; var AHandled: Boolean) of object;

Parameters

Name	Type	Description
Sender	TdxPDFCustomViewer	Provides access to the PDF Viewer control that raised the attachment action event. Cast the Sender parameter to the TdxPDFViewer class to access all public API members.
AAttachment	TdxPDFFileAttachment	Provides access to the target attachment. Use this parameter to identify specific document attachments.
AHandled	Boolean	False Default. The Sender PDF Viewer control executes the built-in command associated with the current attachment action. True Built-in attachment action routines are disabled. Use this option if you need to implement a custom attachment action or prevent users from interacting with specific attachments.

Remarks

An attachment action event occurs every time a user triggers an attachment open or save command.

Direct TdxPDFViewerOnAttachmentActionEvent Type References

The following events reference the TdxPDFViewerOnAttachmentActionEvent procedural type:

TdxPDFCustomViewer.OnAttachmentOpen

Enables you to respond to an attempt to open a file attached to the opened PDF document.

TdxPDFCustomViewer.OnAttachmentSave

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