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;
__property TTMSFNCDataGridBeforeDropHeaderGroupEvent OnBeforeDropHeaderGroup = {read=FOnBeforeDropHeaderGroup, write=FOnBeforeDropHeaderGroup};
Parameters
| Name | Description |
|---|---|
Sender |
Grid that fired the event. |
AColumn |
Zero-based column index being dropped. |
ACanDrop |
True by default. Set to False to leave the grouping unchanged. |