Header Controls Notifications (Windows CE 5.0)

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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

Header Controls Reference

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