Code:
/ DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / CommonUI / System / Drawing / Advanced / HatchBrush.cs / 1 / HatchBrush.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- /*************************************************************************\ * * Copyright (c) 1998-1999, Microsoft Corp. All Rights Reserved. * * Module Name: * * HatchBrush.cs * * Abstract: * * COM+ wrapper for GDI+ HatchBrush objects * * Revision History: * * 12/15/1998 [....] * Created it. * \**************************************************************************/ namespace System.Drawing.Drawing2D { using System.Runtime.InteropServices; using System.Diagnostics; using System; using System.Drawing; using System.ComponentModel; using Microsoft.Win32; using System.Drawing.Internal; /** * Represent a HatchBrush brush object */ ////// /// Defines a rectangular brush with a hatch /// style, a foreground color, and a background color. /// public sealed class HatchBrush : Brush { /** * Create a new hatch brush object */ ////// /// public HatchBrush(HatchStyle hatchstyle, Color foreColor) : this(hatchstyle, foreColor, Color.FromArgb( (int) unchecked( (int) 0xff000000) ) ) { } ////// Initializes a new instance of the ///class with the specified and foreground color. /// /// /// public HatchBrush(HatchStyle hatchstyle, Color foreColor, Color backColor) { IntPtr brush = IntPtr.Zero; int status = SafeNativeMethods.Gdip.GdipCreateHatchBrush((int) hatchstyle, foreColor.ToArgb(), backColor.ToArgb(), out brush); if (status != SafeNativeMethods.Gdip.Ok) throw SafeNativeMethods.Gdip.StatusException(status); SetNativeBrush(brush); } ////// Initializes a new instance of the ///class with the specified , /// foreground color, and background color. /// /// Constructor to initialize this object from a GDI+ native reference. /// internal HatchBrush(IntPtr nativeBrush ) { Debug.Assert( nativeBrush != IntPtr.Zero, "Initializing native brush with null." ); SetNativeBrush( nativeBrush ); } ////// /// Creates an exact copy of this public override object Clone() { IntPtr cloneBrush = IntPtr.Zero; int status = SafeNativeMethods.Gdip.GdipCloneBrush(new HandleRef(this, this.NativeBrush), out cloneBrush); if (status != SafeNativeMethods.Gdip.Ok) throw SafeNativeMethods.Gdip.StatusException(status); return new HatchBrush(cloneBrush); } /** * Get hatch brush object attributes */ ///. /// /// /// Gets the hatch style of this public HatchStyle HatchStyle { get { int hatchStyle = 0; int status = SafeNativeMethods.Gdip.GdipGetHatchStyle(new HandleRef(this, this.NativeBrush), out hatchStyle); if (status != SafeNativeMethods.Gdip.Ok) throw SafeNativeMethods.Gdip.StatusException(status); return (HatchStyle) hatchStyle; } } ///. /// /// /// Gets the color of hatch lines drawn by this /// public Color ForegroundColor { get { int forecol; int status = SafeNativeMethods.Gdip.GdipGetHatchForegroundColor(new HandleRef(this, this.NativeBrush), out forecol); if (status != SafeNativeMethods.Gdip.Ok) throw SafeNativeMethods.Gdip.StatusException(status); return Color.FromArgb(forecol); } } ///. /// /// /// public Color BackgroundColor { get { int backcol; int status = SafeNativeMethods.Gdip.GdipGetHatchBackgroundColor(new HandleRef(this, this.NativeBrush), out backcol); if (status != SafeNativeMethods.Gdip.Ok) throw SafeNativeMethods.Gdip.StatusException(status); return Color.FromArgb(backcol); } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved./// Gets the color of spaces between the hatch /// lines drawn by this ///. ///
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