Spread WPF Documentation
SelectionChanging Event (GcSpreadSheet)
Example 


GrapeCity.Windows.SpreadSheet.UI Namespace > GcSpreadSheet Class : SelectionChanging Event
Occurs when the selection of cells on the sheet is changing.
Syntax
'Declaration
 
Public Event SelectionChanging As System.EventHandler(Of SelectionChangingEventArgs)
'Usage
 
Dim instance As GcSpreadSheet
Dim handler As System.EventHandler(Of SelectionChangingEventArgs)
 
AddHandler instance.SelectionChanging, handler
public event System.EventHandler<SelectionChangingEventArgs> SelectionChanging
Event Data

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

PropertyDescription
Gets the new selection ranges.  
Gets the old selection ranges.  
Example
This example uses the SelectionChanging event.
private void gcSpreadSheet1_SelectionChanged(object sender, EventArgs e)
        {
            listBox1.Items.Add("SelectionChanged");
        }

private void gcSpreadSheet1_SelectionChanging(object sender, GrapeCity.Windows.SpreadSheet.UI.SelectionChangingEventArgs e)
        {
            listBox1.Items.Add(e.NewSelections[0].Column.ToString());
            listBox1.Items.Add(e.OldSelections.Length.ToString());
        }
Private Sub GcSpreadSheet1_SelectionChanged(sender As System.Object, e As System.EventArgs) Handles GcSpreadSheet1.SelectionChanged
        ListBox1.Items.Add("SelectionChanged")
    End Sub

    Private Sub GcSpreadSheet1_SelectionChanging(sender As System.Object, e As GrapeCity.Windows.SpreadSheet.UI.SelectionChangingEventArgs) Handles GcSpreadSheet1.SelectionChanging
        ListBox1.Items.Add(e.NewSelections(0).Column.ToString())
        ListBox1.Items.Add(e.OldSelections.Length.ToString())
    End Sub
See Also