PdfViewer.DialogShowing Event

Namespace:

ceTe.DynamicPDF.Viewer

Assemblies:

DynamicPDF.Viewer.dll

Occurs before the File open dialog and Print dialog is displayed.

public event DialogShowingEventHandler PdfViewer.DialogShowing;

Public Event PdfViewer.DialogShowing As DialogShowingEventHandler

Event Handler

DialogShowingEventHandler

Licensing Info

This event is a DynamicPDF Viewer feature. One of the following is required for non-evaluation usage:

• An active DynamicPDF Subscription
• An active DynamicPDF Professional or Professional Plus Subscription with DynamicPDF Viewer selected.
• A DynamicPDF Viewer for .NET v3.X Developer license.

Examples

Imports System
Imports System.Windows.Forms
Imports ceTe.DynamicPDF.Viewer


Public Class Form1
	Inherits System.Windows.Forms.Form
	Private dpdfViewer As PdfViewer

	Public Sub New()
		InitializeComponent()
	End Sub

	[STAThread]
	Private Shared Sub Main()
		Application.Run(New Form1())
	End Sub

	Private Sub InitializeComponent()
		Me.dpdfViewer = New PdfViewer()
		Me.Controls.Add(dpdfViewer)
		AddHandler DialogShowing, AddressOf Me.pdfViewer_DialogShowing
	End Sub

	Private Sub pdfViewer_DialogShowing(sender As Object, e As ceTe.DynamicPDF.Viewer.DialogShowingEventArgs)
		' Preventing File Open dialog from displaying using DialogShowing event.
		If e.DisplayingDialogType = DialogType.FileOpenDialog Then
			e.Cancel = True
		End If
	End Sub
End Class

using System;
using System.Windows.Forms;
using ceTe.DynamicPDF.Viewer;

namespace DynamicPDFViewerDemo
{
	public class Form1 : System.Windows.Forms.Form
	{
		private PdfViewer dpdfViewer;

		public Form1()
		{
			InitializeComponent();
		}

		static void Main()
		{
			Application.Run(new Form1());
		}

		private void InitializeComponent()
		{
			this.dpdfViewer = new PdfViewer();
			this.Controls.Add(dpdfViewer);
			DialogShowing += new ceTe.DynamicPDF.Viewer.DialogShowingEventHandler(this.pdfViewer_DialogShowing);
		}

		private void pdfViewer_DialogShowing(object sender, ceTe.DynamicPDF.Viewer.DialogShowingEventArgs e)
		{
			// Preventing File Open dialog from displaying using DialogShowing event.
			if (e.DisplayingDialogType == DialogType.FileOpenDialog)
			{
				e.Cancel = true;
			}
		}
	}
}

See Also