DropShadowBitmapEffect.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 / Effects / DropShadowBitmapEffect.cs / 1 / DropShadowBitmapEffect.cs
                        

                        
                            //------------------------------------------------------------------------------ 
//  Microsoft Avalon
//  Copyright (c) Microsoft Corporation, 2005
//
//  File:       BitmapEffectDropShadow.cs 
//-----------------------------------------------------------------------------
 
#region Using directives 

using System; 
using System.Collections.Generic;
using System.Text;
using System.Runtime.InteropServices;
using MS.Internal.PresentationCore; 
using System.Security;
 
#endregion 

namespace System.Windows.Media.Effects 
{
    /// 
    /// The class definition for DropShadowBitmapEffect
    ///  
    public partial class DropShadowBitmapEffect
    { 
 
        /// 
        /// Constructor 
        /// 
        public DropShadowBitmapEffect()
        {
 
        }
 
        ///  
        /// Creates the unmanaged effect handle
        ///  
        unsafe protected override SafeHandle CreateUnmanagedEffect()
        {
            return Create(new Guid(0x459a3fbe, 0xd8ac, 0x4692, 0x87, 0x4b, 0x7a, 0x26, 0x57, 0x15, 0xaa, 0x16));
        } 

        ///  
        /// /// Update (propagetes) properties to the unmanaged effect 
        /// 
        ///  
        /// This method demands permission because effects should not be run
        /// in partial trust.
        ///
        /// SecurityCritical - because SetValue has a link demand 
        /// SecutiryTreatAsSafe - because it demans UIWindow permission
        ///  
        [SecurityCritical, SecurityTreatAsSafe] 
        protected override void UpdateUnmanagedPropertyState(SafeHandle unmanagedEffect)
        { 
            SecurityHelper.DemandUIWindowPermission();
            BitmapEffect.SetValue(unmanagedEffect, "Color", this.Color);
            BitmapEffect.SetValue(unmanagedEffect, "ShadowDepth", this.ShadowDepth);
            BitmapEffect.SetValue(unmanagedEffect, "Direction", this.Direction); 
            BitmapEffect.SetValue(unmanagedEffect, "Noise", this.Noise);
            BitmapEffect.SetValue(unmanagedEffect, "Opacity", this.Opacity); 
            BitmapEffect.SetValue(unmanagedEffect, "Softness", this.Softness); 
        }
    } 
}

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

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