| GrapeCity.Windows.SpreadSheet.UI Namespace > SheetView Class : ValidationDragDropBlock Event | 
'Declaration Public Event ValidationDragDropBlock As System.EventHandler(Of ValidationDragDropBlockEventArgs)
'Usage Dim instance As SheetView Dim handler As System.EventHandler(Of ValidationDragDropBlockEventArgs) AddHandler instance.ValidationDragDropBlock, handler
public event System.EventHandler<ValidationDragDropBlockEventArgs> ValidationDragDropBlock
The event handler receives an argument of type ValidationDragDropBlockEventArgs containing data related to this event. The following ValidationDragDropBlockEventArgs properties provide information specific to this event.
| Property | Description | 
|---|---|
| ColumnCount | Gets the column count of the cell range being dragged. | 
| Copy | Gets whether the source range is copied. | 
| 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). | 
| Handle | Gets or sets whether the event is handled. | 
| Insert | Gets whether the source range is inserted. | 
| InvalidMessage | Gets or sets the invalid message. | 
| IsInvalid | Gets or sets whether the value is valid. | 
| 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). | 
Target Platforms: Windows 7, Windows 8 Desktop, Windows Vista SP1 or later, Windows Server 2000, Windows 2000 Professional (SP4), Windows XP (SP2), Windows 2008, Windows 2003 Server (SP1)