THPDFViewer ResetView Method

Restores the default presentation state without unloading the document or changing the current page

Declarations

procedure THPDFViewer.ResetView;
procedure THPDFViewerModel.ResetView;

Reset state

• Sets ZoomMode to vzmActualSize and Zoom to 1
• Sets ViewRotation to zero
• Clears search results and the active search highlight
• Preserves PDFDocument, PageIndex, and PageNumber

Update batching

THPDFViewerModel.BeginUpdate and EndUpdate delimit nested state batches while UpdateCount reports the active depth

The Viewer defers rendering until the outermost batch ends while individual state events remain available to model observers

Actions

• THPDFResetViewAction invokes the complete reset
• THPDFRotateClockwiseAction rotates the view clockwise by 90 degrees
• THPDFRotateCounterClockwiseAction rotates the view counter-clockwise by 90 degrees

Example

PDFViewer.ResetView;