Spread Silverlight Documentation
GrapeCity.Windows.SpreadSheet.UI Namespace / GcSpreadSheet Class / LeftColumnChanged Event
Example


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    LeftColumnChanged Event (GcSpreadSheet)
    In This Topic
    Occurs when the left column changes.
    Syntax
    'Declaration
     
    Public Event LeftColumnChanged As EventHandler(Of ViewportEventArgs)
    'Usage
     
    Dim instance As GcSpreadSheet
    Dim handler As EventHandler(Of ViewportEventArgs)
     
    AddHandler instance.LeftColumnChanged, handler
    public event EventHandler<ViewportEventArgs> LeftColumnChanged
    Event Data

    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.

    PropertyDescription
    Gets the index of the new viewport index.  
    Gets the index of the previous viewport index.  
    Gets the index of the viewport in which the change occurred.  
    Example
    This example uses the LeftColumnChanged event.
    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());
            }
    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
    See Also