Infragistics(R) NetAdvantage(R) Windows Forms
BeforePrintEventHandler Delegate
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Infragistics.Win.UltraWinGrid Namespace : BeforePrintEventHandler Delegate

sender
e
delegate for handling event that is fired when a Before Print event occurs

Syntax

Visual Basic (Declaration) 
Public Delegate Sub BeforePrintEventHandler( _
   ByVal sender As Object, _
   ByVal e As CancelablePrintEventArgs _
) 
C# 
public delegate void BeforePrintEventHandler( 
   object sender,
   CancelablePrintEventArgs e
)

Parameters

sender
e

Example

Following code shows how to print the UltraGrid and makes use of BeforePrint event to show a confirmation dialog before proceeding with printing the UltraGrid.

For an overview of how to handle events in Visual Basic or Visual C#, see Event Handlers in Visual Basic and Visual C#. For specific information and code examples illustrating how to consume events in your application, see Consuming Events in the .NET Framework Developer's Guide.

Visual BasicCopy Code
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#Copy Code
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;

}

See Also