tb-setbuttonwidth.md

title	description	ms.assetid	keywords	topic_type	api_name	api_location	api_type	ms.topic	ms.date
TB_SETBUTTONWIDTH message (Commctrl.h)	Sets the minimum and maximum button widths in the toolbar control.	3311216a-e0b2-48bb-bad7-0a04185573cf	TB_SETBUTTONWIDTH message Windows Controls	apiref	TB_SETBUTTONWIDTH	Commctrl.h	HeaderDef	reference	05/31/2018

TB_SETBUTTONWIDTH message

Sets the minimum and maximum button widths in the toolbar control.

Parameters

wParam

Must be zero.

lParam

The LOWORD specifies the minimum button width, in pixels. Toolbar buttons will never be narrower than this value.

The HIWORD specifies the maximum button width, in pixels. If button text is too wide, the control displays it with ellipsis points.

Return value

Returns nonzero if successful, or zero otherwise.

Remarks

Use TB_SETBUTTONWIDTH to set the maximum and minimum allowed widths for buttons before they are added. Use TB_SETBUTTONSIZE to set the actual size of buttons.

Requirements

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