TransformGroup.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Core / CSharp / System / Windows / Media / TransformGroup.cs / 1305600 / TransformGroup.cs
                        

                        
                            //------------------------------------------------------------------------------ 
//  Microsoft Avalon
//  Copyright (c) Microsoft Corporation, 2001
//
//  File:       TransformGroup.cs 
//-----------------------------------------------------------------------------
 
using System; 
using System.Windows;
using System.Windows.Media; 
using System.ComponentModel;
using System.ComponentModel.Design.Serialization;
using System.Reflection;
using System.Collections; 
using System.Collections.Generic;
using MS.Internal; 
using System.Windows.Media.Animation; 
using System.Globalization;
using System.Text; 
using System.Runtime.InteropServices;
using System.Windows.Markup;
using System.Windows.Media.Composition;
using System.Diagnostics; 

using SR=MS.Internal.PresentationCore.SR; 
using SRID=MS.Internal.PresentationCore.SRID; 

namespace System.Windows.Media 
{
    #region TransformGroup
    /// 
    /// The class definition for TransformGroup 
    /// 
    [ContentProperty("Children")] 
    public sealed partial class TransformGroup : Transform 
    {
        #region Constructors 

        ///
        /// Default Constructor
        /// 
        public TransformGroup() { }
 
        #endregion 

        #region Value 
        ///
        /// Return the current transformation value.
        ///
        public override Matrix Value 
        {
            get 
            { 
                ReadPreamble();
 
                TransformCollection children = Children;
                if ((children == null) || (children.Count == 0))
                {
                    return new Matrix(); 
                }
 
                Matrix transform = children.Internal_GetItem(0).Value; 

                for (int i = 1; i < children.Count; i++) 
                {
                    transform *= children.Internal_GetItem(i).Value;
                }
 
                return transform;
            } 
        } 
        #endregion
 
        #region IsIdentity
        ///
        /// Returns true if transformation matches the identity transform.
        /// 
        internal override bool IsIdentity
        { 
            get 
            {
                TransformCollection children = Children; 
                if ((children == null) || (children.Count == 0))
                {
                    return true;
                } 

                for (int i = 0; i < children.Count; i++) 
                { 
                    if (!children.Internal_GetItem(i).IsIdentity)
                    { 
                        return false;
                    }
                }
 
                return true;
            } 
        } 
        #endregion
 
        #region Internal Methods

        internal override bool CanSerializeToString() { return false; }
 
        #endregion Internal Methods
 
    } 
    #endregion
} 


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

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