---
UID: NF:dwrite_1.IDWriteRenderingParams1.GetGrayscaleEnhancedContrast
title: IDWriteRenderingParams1::GetGrayscaleEnhancedContrast (dwrite_1.h)
description: Gets the amount of contrast enhancement to use for grayscale antialiasing.
helpviewer_keywords: ["GetGrayscaleEnhancedContrast","GetGrayscaleEnhancedContrast method [Direct Write]","GetGrayscaleEnhancedContrast method [Direct Write]","IDWriteRenderingParams1 interface","IDWriteRenderingParams1 interface [Direct Write]","GetGrayscaleEnhancedContrast method","IDWriteRenderingParams1.GetGrayscaleEnhancedContrast","IDWriteRenderingParams1::GetGrayscaleEnhancedContrast","directwrite.idwriterenderingparams1_getgrayscaleenhancedcontrast","dwrite_1/IDWriteRenderingParams1::GetGrayscaleEnhancedContrast"]
old-location: directwrite\idwriterenderingparams1_getgrayscaleenhancedcontrast.htm
tech.root: DirectWrite
ms.assetid: 986917A6-AAC1-4676-A7A0-7A8FC4796E72
ms.date: 12/05/2018
ms.keywords: GetGrayscaleEnhancedContrast, GetGrayscaleEnhancedContrast method [Direct Write], GetGrayscaleEnhancedContrast method [Direct Write],IDWriteRenderingParams1 interface, IDWriteRenderingParams1 interface [Direct Write],GetGrayscaleEnhancedContrast method, IDWriteRenderingParams1.GetGrayscaleEnhancedContrast, IDWriteRenderingParams1::GetGrayscaleEnhancedContrast, directwrite.idwriterenderingparams1_getgrayscaleenhancedcontrast, dwrite_1/IDWriteRenderingParams1::GetGrayscaleEnhancedContrast
req.header: dwrite_1.h
req.include-header: 
req.target-type: Windows
req.target-min-winverclnt: Windows 8 and Platform Update for Windows 7 [desktop apps \| UWP apps]
req.target-min-winversvr: Windows Server 2012 and Platform Update for Windows Server 2008 R2 [desktop apps \| UWP apps]
req.kmdf-ver: 
req.umdf-ver: 
req.ddi-compliance: 
req.unicode-ansi: 
req.idl: 
req.max-support: 
req.namespace: 
req.assembly: 
req.type-library: 
req.lib: Dwrite.lib
req.dll: Dwrite.dll
req.irql: 
targetos: Windows
req.typenames: 
req.redist: 
ms.custom: 19H1
f1_keywords:
 - IDWriteRenderingParams1::GetGrayscaleEnhancedContrast
 - dwrite_1/IDWriteRenderingParams1::GetGrayscaleEnhancedContrast
dev_langs:
 - c++
topic_type:
 - APIRef
 - kbSyntax
api_type:
 - COM
api_location:
 - dwrite.dll
api_name:
 - IDWriteRenderingParams1.GetGrayscaleEnhancedContrast
---

# IDWriteRenderingParams1::GetGrayscaleEnhancedContrast


## -description

Gets the amount of contrast enhancement to use for grayscale antialiasing.



## -returns

Type: <b>FLOAT</b>

The contrast enhancement value. Valid values are greater than or equal to zero.

## -see-also

<a href="/windows/win32/api/dwrite_1/nn-dwrite_1-idwriterenderingparams1">IDWriteRenderingParams1</a>