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The following table shows the header controls notifications, with a description of the purpose of each.
| Programming element | Description |
|---|---|
| HDN_BEGINDRAG | This message is sent by a header control when a drag operation has begun on one of its items. |
| HDN_BEGINTRACK | This message notifies a header control parent window the user has begun dragging a divider in the control; that is, the user has pressed the stylus to the touch screen over a divider in the header control. |
| HDN_DIVIDERDBLCLICK | This message notifies a header control's parent window that the user double-tapped the divider area of the control. |
| HDN_ENDDRAG | This message is sent by a header control when a drag operation has ended on one of its items. |
| HDN_ENDTRACK | This message notifies a header control parent window that the user has finished dragging a divider. |
| HDN_GETDISPINFO | This message is sent to the owner of a header control when the control needs data about a callback header item. |
| HDN_ITEMCHANGED | This message notifies a header control parent window the header item attributes have changed. |
| HDN_ITEMCHANGING | This message notifies a header control parent window the header item attributes are about to change. |
| HDN_ITEMCLICK | This message notifies a header control parent window that the user tapped the control. |
| HDN_ITEMDBLCLICK | This message notifies a header control parent window that the user double-tapped the control. |
| HDN_TRACK | This message notifies a header control parent window the user is dragging a divider in the header control. |
See Also
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