TCM_HITTEST message

Determines which tab, if any, is at a specified screen position. You can send this message explicitly or by using the TabCtrl_HitTest macro.

Parameters

wParam
Must be zero.
lParam

Pointer to a TCHITTESTINFO structure that specifies the screen position to test.

Return value

Returns the index of the tab, or -1 if no tab is at the specified position.

Requirements

Minimum supported client

Windows Vista [desktop apps only]

Minimum supported server

Windows Server 2003 [desktop apps only]

Header

Commctrl.h

 

 

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