DragDropBlock Event (GcSpreadSheet)

Occurs when the user drags and drops a range of cells.

Syntax

Visual Basic
C#

'Declaration
 
Public Event DragDropBlock As System.EventHandler(Of DragDropBlockEventArgs)

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

public event System.EventHandler<DragDropBlockEventArgs> DragDropBlock

Event Data

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).

Example

This example uses the DragDropBlock event.

gcSpreadSheet1.DragDropBlock += new EventHandler<DragDropBlockEventArgs>(gcSpread1_DragDropBlock);
 gcSpreadSheet1.DragDropBlockCompleted += new EventHandler<DragDropBlockCompletedEventArgs>(gcSpread1_DragDropBlockCompleted);

 void gcSpread1_DragDropBlock(object sender, DragDropBlockEventArgs e)
 {
       if (e.ToRow > 10 || e.ToColumn > 10)
           e.Cancel = true; 
 }

 void gcSpread1_DragDropBlockCompleted(object sender, DragDropBlockCompletedEventArgs e)
  {
       if (e.Copy == true && e.Insert == true)
           MessageBox.Show("Copied insert action has been completed");                     
  }

VB.NET

Private Sub GcSpreadSheet1_DragDropBlock(sender As System.Object, e As GrapeCity.Windows.SpreadSheet.UI.DragDropBlockEventArgs)
        If (e.ToRow > 10 Or e.ToColumn > 10) Then
            e.Cancel = True
        End If
    End Sub

    Private Sub GcSpreadSheet1_DragDropBlockCompleted(sender As System.Object, e As GrapeCity.Windows.SpreadSheet.UI.DragDropBlockCompletedEventArgs)
        If (e.Copy = True And e.Insert = True) Then
            MessageBox.Show("Copied insert action has been completed")
        End If
    End Sub

Requirements

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