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ZoomEventArgs Class

  • Article

Provides data for the ViewZoom event.

Namespace CrystalDecisions.Windows.Forms Assembly CrystalDecisions.Windows.Forms (CrystalDecisions.Windows.Forms.dll)

Syntax

'Declaration
Public Class ZoomEventArgs
    Inherits ViewerEventArgs

public class ZoomEventArgs : ViewerEventArgs

Remarks

The ZoomEventArgs class contains the data related to the ViewZoom event. The ViewZoom event is raised by the CrystalReportViewer control when the zoom level in the CrystalReportViewer control is changed.

Example

The following example gets the details of the Zoom event and creates a new entry in the event log.

'Declaration

      Private Sub LogZoomEvent(ByVal source As Object, _
         ByVal e As CrystalDecisions.Windows.Forms.ZoomEventArgs) Handles _
           CrystalReportViewer.ViewZoom
         Dim eventLog As New EventLog("event.log")
         Dim eventMsg As String = _
         "Zoom event:" & vbCrLf & _
         "CurrentZoomFactor: " & e.CurrentZoomFactor() & vbCrLf & _
         "NewZoomFactor: " & e.NewZoomFactor()
         eventLog.WriteEntry(eventMsg)
         e.Handled = False
      End Sub
      

      private void LogZoomEvent(Object source, 
      CrystalDecisions.Windows.Forms.ZoomEventArgs e)
      {
         System.Diagnostics.EventLog eventLog = 
           new System.Diagnostics.EventLog("event.log");
         string eventMsg = 
           "Zoom event:" + "\n" +
           "CurrentZoomFactor: " + e.CurrentZoomFactor + "\n" +
           "NewZoomFactor: " + e.NewZoomFactor;
         eventLog.WriteEntry(eventMsg);
         e.Handled = false;
      }

Inheritance Hierarchy

Object
   EventArgs
      ViewerEventArgs
         ZoomEventArgs

Version Information

Crystal Reports Basic for Visual Studio 2008

Supported since: Crystal Reports for Visual Studio .NET 2002

See Also

Reference

ZoomEventArgs Members
CrystalDecisions.Windows.Forms Namespace