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title description ms.assetid keywords topic_type api_name api_location api_type ms.topic ms.date
TBN_DRAGOVER notification code (Commctrl.h)
Ascertains whether a TB\_MARKBUTTON message should be sent for a button that is being dragged over. This notification code is sent in the form of a WM\_NOTIFY message.
2bb5c52e-0c90-4662-8ffd-045ecc7ed7e5
TBN_DRAGOVER notification code Windows Controls
apiref
TBN_DRAGOVER
Commctrl.h
HeaderDef
reference
05/31/2018

TBN_DRAGOVER notification code

Ascertains whether a TB_MARKBUTTON message should be sent for a button that is being dragged over. This notification code is sent in the form of a WM_NOTIFY message.

TBN_DRAGOVER

    lpnmtb = (NMTBHOTITEM*) lParam;

Parameters

lParam

A pointer to an NMTBHOTITEM structure that specifies which item is being dragged over.

Return value

FALSE if the toolbar should send a TB_MARKBUTTON message; otherwise TRUE.

Requirements

Requirement Value
Minimum supported client
 Windows Vista [desktop apps only]
Minimum supported server
 Windows Server 2003 [desktop apps only]
Header
Commctrl.h