[Overview][Constants][Types][Classes][Procedures and functions][Index] | Reference for unit 'ComCtrls' (#lcl)

# TCustomHeaderControl.SectionEndDrag

Signals the OnSectionEndDrag event handler (when assigned).

## Declaration

Source position: comctrls.pp line 4071

`protected procedure TCustomHeaderControl.SectionEndDrag; virtual;`

## Description

SectionEndDrag is called from the MouseUp method when the a mouse button is released during a drag operation for a header section on the control. It is called after the selected header section has been reordered by updating its Index property.

Use OnSectionEndDrag to perform any actions needed when the section order has been updated in a drag operation.

Use DragReorder to enable or disable drag operations for the Sections on the header control.

## See also

TCustomHeaderControl.OnSectionEndDrag |  | Event handler signalled when a drag and drop operation for a section is completed.
TCustomHeaderControl.Mouseup |  | Signals the OnMouseUp handler.
TCustomHeaderControl.Sections |  | Sections - the short segments of the header separated by vertical bars that function as the elementary selection units of the header.
TCustomHeaderControl.DragReorder |  | Enables or disables reordering of header sections on the control using drag and drop.
THeaderSection.OriginalIndex |  | Index position which does not change when the user reorders the sections on a header control.
TCollectionItem.Index