TdxPDFCustomViewer.IsDocumentLoaded Method

Identifies if the PDF Viewer has a loaded document.

Declaration

function IsDocumentLoaded: Boolean;

Returns

Type
Boolean

Remarks

This function returns True if the control displays a document loaded from a file or stream; otherwise, False.

The IsDocumentLoaded function is used by all PDF Viewer commands (with the sole exception of OpenDocument) to identify their availability to end-users.

Note

If the IsDocumentLoaded function returns False, the PDF Viewer’s Document object has no loaded document or does not exist.