RotateTransform.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 / RotateTransform.cs / 1 / RotateTransform.cs
                        

                        
                            //------------------------------------------------------------------------------ 
//  Microsoft Avalon
//  Copyright (c) Microsoft Corporation, 2001
//
//  File:       RotateTransform.cs 
//-----------------------------------------------------------------------------
 
using MS.Internal; 
using MS.Internal.PresentationCore;
using System; 
using System.Collections;
using System.ComponentModel;
using System.ComponentModel.Design.Serialization;
using System.Diagnostics; 
using System.Globalization;
using System.Reflection; 
using System.Runtime.InteropServices; 
using System.Text;
using System.Windows; 
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Media.Composition;
 
using SR=MS.Internal.PresentationCore.SR;
using SRID=MS.Internal.PresentationCore.SRID; 
 
namespace System.Windows.Media
{ 
    ///
    /// Create a rotation transformation in degrees.
    ///
    public sealed partial class RotateTransform : Transform 
    {
        /// 
        /// 
        ///
        public RotateTransform() 
        {
        }

        /// 
        /// Create a rotation transformation in degrees.
        /// 
        ///The angle of rotation in degrees. 
        public RotateTransform(double angle)
        { 
            Angle = angle;
        }

        /// 
        /// Create a rotation transformation in degrees.
        /// 
        public RotateTransform( 
            double angle,
            double centerX, 
            double centerY
            ) : this(angle)
        {
            CenterX = centerX; 
            CenterY = centerY;
        } 
 
        ///
        /// Return the current transformation value. 
        ///
        public override Matrix Value
        {
            get 
            {
                ReadPreamble(); 
 
                Matrix m = new Matrix();
 
                m.RotateAt(Angle, CenterX, CenterY);

                return m;
            } 
        }
 
        /// 
        /// Returns true if transformation matches the identity transform.
        /// 
        internal override bool IsIdentity
        {
            get
            { 
                return Angle == 0 && CanFreeze;
            } 
        } 
    }
} 

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

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