BeforePrintEventHandler デリゲート

Before Printイベントを発生するときに発生するイベントを処理するためのデリゲート。

シンタックス

Visual Basic

'宣言
 
Public Delegate Sub BeforePrintEventHandler( _
   ByVal sender As Object, _
   ByVal e As CancelablePrintEventArgs _
) 

C#

public delegate void BeforePrintEventHandler( 
   object sender,
   CancelablePrintEventArgs e
)

パラメータ

sender

e

使用例

Visual Basic

Imports Infragistics.Shared
Imports Infragistics.Win
Imports Infragistics.Win.UltraWinGrid
Imports System.Drawing.Printing

  Private Sub Button16_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles button16.Click

      ' Following code shows a print preview dialog and then prints the UltraGrid.

      Try
          ' Optinally show the print preview dialog.
          Me.ultraGrid1.PrintPreview()

          ' Calling print causes the UltraGrid to send the print job to the printer.
          Me.ultraGrid1.Print()
      Catch exc As Exception
          ' Catch any exceptions that may get thrown and let the user know.
          MessageBox.Show("Error occured while printing." & vbCrLf & exc.Message, "Error printing", _
                                      MessageBoxButtons.OK, MessageBoxIcon.Error)
      End Try

  End Sub

  Private Sub UltraGrid1_BeforePrint(ByVal sender As Object, ByVal e As Infragistics.Win.UltraWinGrid.CancelablePrintEventArgs) Handles ultraGrid1.BeforePrint

      ' Following code shows a message box giving the user a last chance to cancel printing the 
      ' UltraGrid.
      Dim result As DialogResult = MessageBox.Show("Proceed with printing ?", "Confirm", MessageBoxButtons.OKCancel, MessageBoxIcon.Question)
      If DialogResult.Cancel = result Then e.Cancel = True

  End Sub

C#

using Infragistics.Shared;
using Infragistics.Win;
using Infragistics.Win.UltraWinGrid;
using System.Diagnostics;
   using System.Drawing.Printing;

private void button16_Click(object sender, System.EventArgs e)
{	

	// Following code shows a print preview dialog and then prints the UltraGrid.

	try
	{
		// Optinally show the print preview dialog.
		this.ultraGrid1.PrintPreview( );

		// Calling print causes the UltraGrid to send the print job to the printer.
		this.ultraGrid1.Print( );			
	}
	catch ( Exception exc )
	{
		// Catch any exceptions that may get thrown and let the user know.
              
		MessageBox.Show( "Error occured while printing.\n" + exc.Message, "Error printing", 
			MessageBoxButtons.OK, MessageBoxIcon.Error );
	}

}
		
private void ultraGrid1_BeforePrint(object sender, Infragistics.Win.UltraWinGrid.CancelablePrintEventArgs e)
{

	// Following code shows a message box giving the user a last chance to cancel printing the 
	// UltraGrid.

	DialogResult result = MessageBox.Show( "Proceed with printing ?", "Confirm", 
		MessageBoxButtons.OKCancel, MessageBoxIcon.Question );
	
	if ( DialogResult.Cancel == result )
		e.Cancel = true;

}