wm-dwmncrenderingchanged.md

title	description	ms.assetid	keywords	topic_type	api_name	api_location	api_type	ms.topic	ms.date
WM_DWMNCRENDERINGCHANGED message (Winuser.h)	Sent when the non-client area rendering policy has changed.	31beb127-ebec-49a8-8b65-de00941cbd67	WM_DWMNCRENDERINGCHANGED message Desktop Window Manager	apiref	WM_DWMNCRENDERINGCHANGED	Winuser.h	HeaderDef	reference	05/31/2018

WM_DWMNCRENDERINGCHANGED message

Sent when the non-client area rendering policy has changed.

Parameters

wParam

Specifies whether DWM rendering is enabled for the non-client area of the window. TRUE if enabled; otherwise, FALSE.

lParam

Not used.

Return value

If an application processes this message, it should return zero.

Remarks

A window receives this message through its WindowProc function.

The DwmGetWindowAttribute and DwmSetWindowAttribute functions are used to get or set the non-client rendering policy.

Requirements

Requirement	Value
Minimum supported client	Windows Vista [desktop apps only]
Minimum supported server	Windows Server 2008 [desktop apps only]
Header	Winuser.h