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TdxPDFViewerGoToFirstPage Class

An action object corresponding to the GoToFirstPage command provided by the PDF Viewer control.

#Declaration

Delphi
TdxPDFViewerGoToFirstPage = class(
    TdxPDFViewerNavigationAction
)

#Remarks

This class does not introduce any new public members. Executing a TdxPDFViewerGoToFirstPage action object selects and displays the first page of the loaded PDF document:

VCL PDF Viewer: The First Document Page

Technically, this action object calls the PDF Viewer’s GoToFirstPage procedure.

UI elements linked to a TdxPDFViewerGoToFirstPage action object are enabled only if the following conditions are met:

  • The PDF Viewer control displays a document (i.e., the control’s IsDocumentLoaded function returns True).

  • The loaded document has more than a single page.

  • Any page other than the first is currently selected and displayed.

See Also