TTMSFNCDataGrid.OnBeforeDropHeaderGroup Event
Occurs before a header group is dropped by drag-and-drop.
API unit family: TMSFNCDataGrid
Declaring type: TTMSFNCDataGrid
Inherited from: TTMSFNCCustomDataGrid
Syntax
OnBeforeDropHeaderGroup: TTMSFNCDataGridBeforeDropHeaderGroupEvent;
Parameters
| Name | Description |
|---|---|
Sender |
Grid that fired the event. |
AColumn |
Zero-based column index being dropped. |
ACanDrop |
Set to False to prevent dropping the column. |