DrillEventArgs Class

  • Article

Provides data for the Drill event.

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

Syntax

'Declaration
Public Class DrillEventArgs
    Inherits ViewerEventArgs

public class DrillEventArgs : ViewerEventArgs

Remarks

The DrillEventArgs class contains the data related to the Drill event. The Drill event is raised by the CrystalReportViewer control when a user drills down into a report. This can be by drilling down into a group or chart. It will also occur when an item is selected in the group tree.

Example

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

'Declaration

          Private Sub LogDrillEvent(ByVal source As Object, _
          ByVal e As CrystalDecisions.Windows.Forms.DrillEventArgs) Handles _
          CrystalReportViewer.Drill
          Dim eventLog As New EventLog("event.log")
          Dim eventMsg As String = _
          "Drill event:" & vbCrLf & _
          "IsDrillDown: " & e.IsDrillDown() & vbCrLf & _
          "CurrentGroupLevel: " & e.CurrentGroupLevel & vbCrLf & _
          "NewGroupLevel: " & e.NewGroupLevel & vbCrLf & _
          "CurrentGroupName: " & e.CurrentGroupName & vbCrLf & _
          "NewGroupName: " & e.NewGroupName & vbCrLf & _
          "CurrentGroupPath: " & e.CurrentGroupPath & vbCrLf & _
          "NewGroupPath: " & e.NewGroupPath
          eventLog.WriteEntry(eventMsg)
          e.Handled = False
          End Sub
        

          private void LogDrillEvent(Object source,
          CrystalDecisions.Windows.Forms.DrillEventArgs e)
          {
          System.Diagnostics.EventLog eventLog =
          new System.Diagnostics.EventLog("event.log");
          string eventMsg =
          "Drill event:" + "\n" +
          "IsDrillDown: " + e.IsDrillDown() + "\n" +
          "CurrentGroupLevel: " + e.CurrentGroupLevel + "\n" +
          "NewGroupLevel: " + e.NewGroupLevel + "\n" +
          "CurrentGroupName: " + e.CurrentGroupName + "\n" +
          "NewGroupName: " + e.NewGroupName + "\n" +
          "CurrentGroupPath: " + e.CurrentGroupPath + "\n" +
          "NewGroupPath: " + e.NewGroupPath;
          eventLog.WriteEntry(eventMsg);
          e.Handled = false;
          }

Inheritance Hierarchy

Object
   EventArgs
      ViewerEventArgs
         DrillEventArgs

Version Information

Crystal Reports Basic for Visual Studio 2008

Supported since: Crystal Reports for Visual Studio .NET 2002

See Also

Reference

DrillEventArgs Members
CrystalDecisions.Windows.Forms Namespace