DragDropBlock Event (GcSpreadSheet)

Visual Basic
C#

'Declaration
 
Public Event DragDropBlock As EventHandler(Of DragDropBlockEventArgs)

'Usage
 
Dim instance As GcSpreadSheet
Dim handler As EventHandler(Of DragDropBlockEventArgs)
 
AddHandler instance.DragDropBlock, handler

public event EventHandler<DragDropBlockEventArgs> DragDropBlock

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

Property	Description
Cancel	(Inherited from System.ComponentModel.CancelEventArgs)
ColumnCount	Gets the column count of the cell range being dragged.
Copy	Gets whether the source range is copied.
CopyOption	Gets the CopyOption value for the drag and drop operation.
FromColumn	Gets the column index of the top left cell of the source range (range being dragged).
FromRow	Gets the row index of the top left cell of the source range (range being dragged).
Insert	Gets whether the source range is inserted.
RowCount	Gets the row count of the cell range being dragged.
ToColumn	Gets the column index of the bottom right cell of the destination range (where selection is dropped).
ToRow	Gets the row index of the top left cell of the destination range (where selection is dropped).

This example uses the DragDropBlock event.

C#
VB.NET

private void gcSpreadSheet1_DragDropBlock(object sender, GrapeCity.Xaml.SpreadSheet.UI.DragDropBlockEventArgs e)
        {
            if (e.ToRow > 10 || e.ToColumn > 10)
                e.Cancel = true; 
        }

        private void gcSpreadSheet1_DragDropBlockCompleted(object sender, GrapeCity.Xaml.SpreadSheet.UI.DragDropBlockCompletedEventArgs e)
        {
            if (e.Copy == true && e.Insert == true)
                listBox1.Items.Add("Copied insert action has been completed");                   
         }

Private Sub gcSpreadSheet1_DragDropBlock(sender As Object, e As GrapeCity.Xaml.SpreadSheet.UI.DragDropBlockEventArgs) Handles gcSpreadSheet1.DragDropBlock
        If (e.ToRow > 10 Or e.ToColumn > 10) Then
            e.Cancel = True
        End If
    End Sub

    Private Sub gcSpreadSheet1_DragDropBlockCompleted(sender As Object, e As GrapeCity.Xaml.SpreadSheet.UI.DragDropBlockCompletedEventArgs) Handles gcSpreadSheet1.DragDropBlockCompleted
        If (e.Copy = True And e.Insert = True) Then
            listBox1.Items.Add("Copied insert action has been completed")
        End If
    End Sub

Target Platforms: Windows Server 2012, Windows RT

Reference

GcSpreadSheet Class
GcSpreadSheet Members