Occurs before Drag and Drop operation is initiated.
Public Event BeforeDrag As DragDropCancelEventHandler
Grid Object
The following parameters are available:
| Parameter | Description |
| FirstRow | The first row's number of the selection. |
| FirstCol | The first column's number of the selection. |
| LastRow | Ths last row's number of the selection. |
| LastCol | The last column's number of the selection |
| Cancel | Gets or sets a value indicating whether the operation should be canceled. |