TB_GETBUTTONSIZE message

Retrieves the current width and height of toolbar buttons, in pixels.

Parameters

wParam

Must be zero.

lParam

Must be zero.

Return value

Returns a DWORD value that contains the width and height values in the low word and high word, respectively.

Requirements

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