TopRowChanged Event (GcSpreadSheet)

Visual Basic
C#

'Declaration
 
Public Event TopRowChanged As System.EventHandler(Of ViewportEventArgs)

'Usage
 
Dim instance As GcSpreadSheet
Dim handler As System.EventHandler(Of ViewportEventArgs)
 
AddHandler instance.TopRowChanged, handler

public event System.EventHandler<ViewportEventArgs> TopRowChanged

The event handler receives an argument of type ViewportEventArgs containing data related to this event. The following ViewportEventArgs properties provide information specific to this event.

Property	Description
NewIndex	Gets the index of the new viewport index.
OldIndex	Gets the index of the previous viewport index.
ViewportIndex	Gets the index of the viewport in which the change occurred.

This example uses the TopRowChanged event.

C#

private void gcSpreadSheet1_LeftColumnChanged(object sender, GrapeCity.Windows.SpreadSheet.UI.ViewportEventArgs e)
        {
         listBox1.Items.Add(e.OldIndex.ToString());
         listBox1.Items.Add(e.NewIndex.ToString());
        }

private void gcSpreadSheet1_TopRowChanged(object sender, GrapeCity.Windows.SpreadSheet.UI.ViewportEventArgs e)
        {
         listBox1.Items.Add(e.OldIndex.ToString());
         listBox1.Items.Add(e.NewIndex.ToString());
        }

VB.NET

Private Sub GcSpreadSheet1_LeftColumnChanged(sender As System.Object, e As GrapeCity.Windows.SpreadSheet.UI.ViewportEventArgs) Handles GcSpreadSheet1.LeftColumnChanged
        ListBox1.Items.Add(e.OldIndex.ToString())
        ListBox1.Items.Add(e.NewIndex.ToString())
    End Sub

Private Sub GcSpreadSheet1_TopRowChanged(sender As System.Object, e As GrapeCity.Windows.SpreadSheet.UI.ViewportEventArgs) Handles GcSpreadSheet1.TopRowChanged
        ListBox1.Items.Add(e.OldIndex.ToString())
        ListBox1.Items.Add(e.NewIndex.ToString())
    End Sub

Target Platforms: Windows 7, Windows 8 Desktop, Windows Vista SP1 or later, Windows Server 2000, Windows 2000 Professional, Windows XP Professional, Windows NT 4.0 Workstation, SP6, Windows NT 4.0 Server, SP6

Reference

GcSpreadSheet Class
GcSpreadSheet Members