Pdfium.Net SDK. User Manual
API Reference
Patagames.Pdf.Net.Controls.WinForms
PdfViewer Class
PdfViewer Methods
CalcActualRect Method
ClearRenderBuffer Method
ClientToPage Method
CloseDocument Method
DeselectText Method
Dispose Method
DrawCurrentPageHighlight Method
DrawFillForms Method
DrawFillFormsSelection Method
DrawLoadingIcon Method
DrawPage Method
DrawPageBackColor Method
DrawPageBorder Method
DrawPageSeparators Method
DrawRenderedPagesToDevice Method
DrawTextHighlight Method
DrawTextSelection Method
GetHighlightedRects Method
GetSelectedRects Method
HighlightSelectedText Method
HighlightText Method
HilightSelectedText Method
InternalSetCursor Method
IsInputKey Method
LoadDocument Method
OnAfterDocumentChanged Method
OnAfterLinkClicked Method
OnBeforeDocumentChanged Method
OnBeforeLinkClicked Method
OnCurrentPageChanged Method
OnCurrentPageHighlightColorChanged Method
OnDocumentClosed Method
OnDocumentClosing Method
OnDocumentLoaded Method
OnFormHighlightColorChanged Method
OnFormsAppBeep Method
OnFormsBlendModeChanged Method
OnFormsDoGotoAction Method
OnFormsDoNamedAction Method
OnFormsGotoPage Method
OnFormsInvalidate Method
OnFormsOutputSelectedRect Method
OnFormsSetCursor Method
OnHighlightedTextChanged Method
OnKeyUp Method
OnLoadingIconTextChanged Method
OnMouseDoubleClick Method
OnMouseDown Method
OnMouseModeChanged Method
OnMouseMove Method
OnMouseUp Method
OnMouseWheel Method
OnPageAlignChanged Method
OnPageBackColorChanged Method
OnPageBorderColorChanged Method
OnPageMarginChanged Method
OnPageSeparatorColorChanged Method
OnPaint Method
OnPreviewKeyDown Method
OnRenderFlagsChanged Method
OnResize Method
OnScroll Method
OnSelectionChanged Method
OnShowCurrentPageHighlightChanged Method
OnShowLoadingIconChanged Method
OnShowPageSeparatorChanged Method
OnSizeModeChanged Method
OnTextSelectColorChanged Method
OnTilesCountChanged Method
OnUseProgressiveRenderChanged Method
OnViewModeChanged Method
OnZoomChanged Method
PageToClient Method
PointInPage Method
ProcessAction Method
ProcessDestination Method
RegenerateAnnots Method
RemoveHighlightFromSelectedText Method
RemoveHighlightFromText Method
RemoveHilightFromSelectedText Method
RotatePage Method
ScrollToChar Method
ScrollToPage Method
ScrollToPoint Method
SelectText Method
UpdateLayout Method
Click or drag to resize

PdfViewerOnBeforeDocumentChanged Method

Raises the BeforeDocumentChanged event.

Namespace: Patagames.Pdf.Net.Controls.WinForms
Assembly: Patagames.Pdf.WinForms (in Patagames.Pdf.WinForms.dll) Version: 4.100.2704
Syntax
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protected virtual bool OnBeforeDocumentChanged(
	DocumentClosingEventArgs e
)

Parameters

e  DocumentClosingEventArgs
An System.EventArgs that contains the event data.

Return Value

Boolean
True if the change should be canceled; otherwise - False
See Also