TB_AUTOSIZE message

Causes a toolbar to be resized.

Parameters

wParam

Must be zero.

lParam

Must be zero.

Return value

No return value.

Remarks

An application sends the TB_AUTOSIZE message after causing the size of a toolbar to change either by setting the button or bitmap size or by adding strings for the first time.

Requirements

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