LinearGradientBrush.cs source code in C# .NET

Source code for the .NET framework in C#

                        

Code:

/ DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / Core / System / Windows / Media / Generated / LinearGradientBrush.cs / 2 / LinearGradientBrush.cs

                            //---------------------------------------------------------------------------- 
//
// 
//    Copyright (C) Microsoft Corporation.  All rights reserved.
//  
//
// This file was generated, please do not edit it directly. 
// 
// Please see [....]/default.aspx/Microsoft.Projects.Avalon/MilCodeGen.html for more information.
// 
//---------------------------------------------------------------------------

using MS.Internal;
using MS.Internal.KnownBoxes; 
using MS.Internal.Collections;
using MS.Internal.PresentationCore; 
using MS.Utility; 
using System;
using System.Collections; 
using System.Collections.Generic;
using System.ComponentModel;
using System.Diagnostics;
using System.Globalization; 
using System.Reflection;
using System.Runtime.InteropServices; 
using System.ComponentModel.Design.Serialization; 
using System.Text;
using System.Windows; 
using System.Windows.Media;
using System.Windows.Media.Effects;
using System.Windows.Media.Media3D;
using System.Windows.Media.Animation; 
using System.Windows.Media.Composition;
using System.Windows.Media.Imaging; 
using System.Windows.Markup; 
using System.Windows.Media.Converters;
using System.Security; 
using System.Security.Permissions;
using SR=MS.Internal.PresentationCore.SR;
using SRID=MS.Internal.PresentationCore.SRID;
// These types are aliased to match the unamanaged names used in interop 
using BOOL = System.UInt32;
using WORD = System.UInt16; 
using Float = System.Single; 

namespace System.Windows.Media 
{


 
    sealed partial class LinearGradientBrush : GradientBrush
    { 
        #region Constructors 

        //----------------------------------------------------- 
        //
        //  Constructors
        //
        //----------------------------------------------------- 

 
 

        #endregion Constructors 

        //------------------------------------------------------
        //
        //  Public Methods 
        //
        //----------------------------------------------------- 
 
        #region Public Methods
 
        /// 
        ///     Shadows inherited Clone() with a strongly typed
        ///     version for convenience.
        ///  
        public new LinearGradientBrush Clone()
        { 
            return (LinearGradientBrush)base.Clone(); 
        }
 
        /// 
        ///     Shadows inherited CloneCurrentValue() with a strongly typed
        ///     version for convenience.
        ///  
        public new LinearGradientBrush CloneCurrentValue()
        { 
            return (LinearGradientBrush)base.CloneCurrentValue(); 
        }
 



        #endregion Public Methods 

        //------------------------------------------------------ 
        // 
        //  Public Properties
        // 
        //------------------------------------------------------

        private static void StartPointPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        { 
            LinearGradientBrush target = ((LinearGradientBrush) d);
 
 
            target.PropertyChanged(StartPointProperty);
        } 
        private static void EndPointPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            LinearGradientBrush target = ((LinearGradientBrush) d);
 

            target.PropertyChanged(EndPointProperty); 
        } 

 
        #region Public Properties

        /// 
        ///     StartPoint - Point.  Default value is new Point(0,0). 
        /// 
        public Point StartPoint 
        { 
            get
            { 
                return (Point) GetValue(StartPointProperty);
            }
            set
            { 
                SetValueInternal(StartPointProperty, value);
            } 
        } 

        ///  
        ///     EndPoint - Point.  Default value is new Point(1,1).
        /// 
        public Point EndPoint
        { 
            get
            { 
                return (Point) GetValue(EndPointProperty); 
            }
            set 
            {
                SetValueInternal(EndPointProperty, value);
            }
        } 

        #endregion Public Properties 
 
        //-----------------------------------------------------
        // 
        //  Protected Methods
        //
        //------------------------------------------------------
 
        #region Protected Methods
 
        ///  
        /// Implementation of Freezable.CreateInstanceCore.
        ///  
        /// The new Freezable.
        protected override Freezable CreateInstanceCore()
        {
            return new LinearGradientBrush(); 
        }
 
 

        #endregion ProtectedMethods 

        //-----------------------------------------------------
        //
        //  Internal Methods 
        //
        //----------------------------------------------------- 
 
        #region Internal Methods
 
        /// 
        ///     Critical: This code calls into an unsafe code block
        ///     TreatAsSafe: This code does not return any critical data.It is ok to expose
        ///     Channels are safe to call into and do not go cross domain and cross process 
        /// 
        [SecurityCritical,SecurityTreatAsSafe] 
        internal override void UpdateResource(DUCE.Channel channel, bool skipOnChannelCheck) 
        {
            ManualUpdateResource(channel, skipOnChannelCheck); 
            base.UpdateResource(channel, skipOnChannelCheck);
        }
        internal override DUCE.ResourceHandle AddRefOnChannelCore(DUCE.Channel channel)
        { 

                if (_duceResource.CreateOrAddRefOnChannel(channel, System.Windows.Media.Composition.DUCE.ResourceType.TYPE_LINEARGRADIENTBRUSH)) 
                { 
                    Transform vTransform = Transform;
                    if (vTransform != null) ((DUCE.IResource)vTransform).AddRefOnChannel(channel); 
                    Transform vRelativeTransform = RelativeTransform;
                    if (vRelativeTransform != null) ((DUCE.IResource)vRelativeTransform).AddRefOnChannel(channel);

                    AddRefOnChannelAnimations(channel); 

 
                    UpdateResource(channel, true /* skip "on channel" check - we already know that we're on channel */ ); 
                }
 
                return _duceResource.GetHandle(channel);

        }
        internal override void ReleaseOnChannelCore(DUCE.Channel channel) 
        {
 
                Debug.Assert(_duceResource.IsOnChannel(channel)); 

                if (_duceResource.ReleaseOnChannel(channel)) 
                {
                    Transform vTransform = Transform;
                    if (vTransform != null) ((DUCE.IResource)vTransform).ReleaseOnChannel(channel);
                    Transform vRelativeTransform = RelativeTransform; 
                    if (vRelativeTransform != null) ((DUCE.IResource)vRelativeTransform).ReleaseOnChannel(channel);
 
                    ReleaseOnChannelAnimations(channel); 

                } 

        }
        internal override DUCE.ResourceHandle GetHandleCore(DUCE.Channel channel)
        { 
            // Note that we are in a lock here already.
            return _duceResource.GetHandle(channel); 
        } 
        internal override int GetChannelCountCore()
        { 
            // must already be in composition lock here
            return _duceResource.GetChannelCount();
        }
        internal override DUCE.Channel GetChannelCore(int index) 
        {
            // Note that we are in a lock here already. 
            return _duceResource.GetChannel(index); 
        }
 

        #endregion Internal Methods

        //----------------------------------------------------- 
        //
        //  Internal Properties 
        // 
        //------------------------------------------------------
 
        #region Internal Properties

        //
        //  This property finds the correct initial size for the _effectiveValues store on the 
        //  current DependencyObject as a performance optimization
        // 
        //  This includes: 
        //    GradientStops
        //    StartPoint 
        //    EndPoint
        //
        internal override int EffectiveValuesInitialSize
        { 
            get
            { 
                return 3; 
            }
        } 



        #endregion Internal Properties 

        //----------------------------------------------------- 
        // 
        //  Dependency Properties
        // 
        //------------------------------------------------------

        #region Dependency Properties
 
        /// 
        ///     The DependencyProperty for the LinearGradientBrush.StartPoint property. 
        ///  
        public static readonly DependencyProperty StartPointProperty
            = RegisterProperty("StartPoint", 
                               typeof(Point),
                               typeof(LinearGradientBrush),
                               new Point(0,0),
                               new PropertyChangedCallback(StartPointPropertyChanged), 
                               null,
                               /* isIndependentlyAnimated  = */ true, 
                               /* coerceValueCallback */ null); 
        /// 
        ///     The DependencyProperty for the LinearGradientBrush.EndPoint property. 
        /// 
        public static readonly DependencyProperty EndPointProperty
            = RegisterProperty("EndPoint",
                               typeof(Point), 
                               typeof(LinearGradientBrush),
                               new Point(1,1), 
                               new PropertyChangedCallback(EndPointPropertyChanged), 
                               null,
                               /* isIndependentlyAnimated  = */ true, 
                               /* coerceValueCallback */ null);

        #endregion Dependency Properties
 
        //------------------------------------------------------
        // 
        //  Internal Fields 
        //
        //----------------------------------------------------- 

        #region Internal Fields

 

        internal System.Windows.Media.Composition.DUCE.MultiChannelResource _duceResource = new System.Windows.Media.Composition.DUCE.MultiChannelResource(); 
 
        internal static Point s_StartPoint = new Point(0,0);
        internal static Point s_EndPoint = new Point(1,1); 

        #endregion Internal Fields

 
    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
                        

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