1 <?xml version="1.0" encoding="utf-8"?>

     2 <!-- Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies) All rights reserved. -->

     3 <!-- This component and the accompanying materials are made available under the terms of the License 

     4 "Eclipse Public License v1.0" which accompanies this distribution, 

     5 and is available at the URL "http://www.eclipse.org/legal/epl-v10.html". -->

     6 <!-- Initial Contributors:

     7     Nokia Corporation - initial contribution.

     8 Contributors: 

     9 -->

    10 <!DOCTYPE concept

    11   PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd">

    12 <concept xml:lang="en" id="GUID-C3FC557E-72B4-5714-AE21-930F421204D6"><title>Clearing a Rectangle</title><prolog><metadata><keywords/></metadata></prolog><conbody><p>This topic shows you how to use <codeph>CBitmapContext::Clear()</codeph> to clear a rectangle to the current brush color. </p> <codeblock id="GUID-616556DA-B502-51D7-A08E-BC84022F2D3B" xml:space="preserve">TRect largeBox(0,0,100,100);

    13 TRect clearBox(20,20,40,40);

    14     

    15 // draw a cross-hatched box

    16 gc.SetBrushColor(KRgbDarkGray);

    17 gc.SetBrushStyle(CGraphicsContext::ESquareCrossHatchBrush);

    18 gc.DrawRect(largeBox);

    19     

    20 // clear a small rectangle

    21 gc.SetBrushColor(KRgbGray); // change the brush color

    22 gc.Clear(clearBox);   // clear to brush color</codeblock> <p> <b>Note</b>: When clearing a rectangle, the brush style is ignored, even if it is <codeph>TBrushStyle::ENullBrush</codeph>. </p> </conbody><related-links><link href="GUID-AFE8A9CC-E026-5396-8E0C-616338B5F5C3.dita"><linktext>BitGDI Tutorials</linktext> </link> <link href="GUID-EAAD1719-C02C-5705-A5C3-993E36441BE6.dita"><linktext>BitGDI Component</linktext> </link> </related-links></concept>