DashStyle.cs source code in C# .NET

                        Code:
                         / Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / Orcas / NetFXw7 / wpf / src / Core / CSharp / System / Windows / Media / DashStyle.cs / 1 / DashStyle.cs
                        
                        
                            //---------------------------------------------------------------------------- 
//
// Copyright (c) Microsoft Corporation.  All rights reserved.
//
// Description: Implementation of the class DashStyle 
//
// History: 11\15\2004: Michka - Created it 
// 
//---------------------------------------------------------------------------
 
using System;
using MS.Internal;
using System.ComponentModel;
using System.ComponentModel.Design.Serialization; 
using System.Diagnostics;
using System.Reflection; 
using System.Collections; 
using System.Collections.Generic;
using System.Globalization; 
using System.Windows.Media;
using System.Windows.Media.Composition;
using System.Windows;
using System.Text.RegularExpressions; 
using System.Windows.Media.Animation;
using System.Runtime.InteropServices; 
using System.Security; 
using System.Security.Permissions;
 
using SR=MS.Internal.PresentationCore.SR;
using SRID=MS.Internal.PresentationCore.SRID;

namespace System.Windows.Media 
{
    #region DashStyle 
    ///  
    /// This class captures the array of dashe and gap lengths and the dash offset.
    ///  
    [Localizability(LocalizationCategory.None, Readability = Readability.Unreadable)]
    public partial class DashStyle : Animatable, DUCE.IResource
    {
        #region Constructors 

        ///  
        ///     Default constructor 
        /// 
        public DashStyle() 
        {
        }

        ///  
        ///     Constructor from an array and offset
        ///  
        ///     The array of lengths of dashes and gaps, measured in Thickness units. 
        ///     If the value of dashes is null then the style will be solid
        ///  
        /// 
        ///     Determines where in the dash sequence the stroke will start
        /// 
        ///  
        public DashStyle(IEnumerable dashes, Double offset)
        { 
            Offset = offset; 

            if (dashes != null) 
            {
                Dashes = new DoubleCollection(dashes);
            }
        } 

 
        #endregion Constructors 

 
        #region Internal Methods
        /// 
        /// Returns the dashes information.
        ///  
        /// 
        ///     Critical: Returns a pointer and manipulates unsafe code.This data 
        ///     is safe to expose, it is the pointer manipulation that makes it risky. 
        /// 
        [SecurityCritical] 
        internal unsafe void GetDashData(MIL_PEN_DATA* pData, out double[] dashArray)
        {
            DoubleCollection vDashes = Dashes;
            int count = 0; 

            if (vDashes != null) 
            { 
                count = vDashes.Count;
            } 

            unsafe
            {
                pData->DashArraySize = (UInt32)count * sizeof(double); 
                pData->DashOffset = Offset;
            } 
 
            if (count > 0)
            { 
                dashArray = vDashes._collection.ToArray();
            }
            else
            { 
                dashArray = null;
            } 
        } 
        #endregion Internal Methods
    } 
    #endregion
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//---------------------------------------------------------------------------- 
//
// Copyright (c) Microsoft Corporation.  All rights reserved.
//
// Description: Implementation of the class DashStyle 
//
// History: 11\15\2004: Michka - Created it 
// 
//---------------------------------------------------------------------------
 
using System;
using MS.Internal;
using System.ComponentModel;
using System.ComponentModel.Design.Serialization; 
using System.Diagnostics;
using System.Reflection; 
using System.Collections; 
using System.Collections.Generic;
using System.Globalization; 
using System.Windows.Media;
using System.Windows.Media.Composition;
using System.Windows;
using System.Text.RegularExpressions; 
using System.Windows.Media.Animation;
using System.Runtime.InteropServices; 
using System.Security; 
using System.Security.Permissions;
 
using SR=MS.Internal.PresentationCore.SR;
using SRID=MS.Internal.PresentationCore.SRID;

namespace System.Windows.Media 
{
    #region DashStyle 
    ///  
    /// This class captures the array of dashe and gap lengths and the dash offset.
    ///  
    [Localizability(LocalizationCategory.None, Readability = Readability.Unreadable)]
    public partial class DashStyle : Animatable, DUCE.IResource
    {
        #region Constructors 

        ///  
        ///     Default constructor 
        /// 
        public DashStyle() 
        {
        }

        ///  
        ///     Constructor from an array and offset
        ///  
        ///     The array of lengths of dashes and gaps, measured in Thickness units. 
        ///     If the value of dashes is null then the style will be solid
        ///  
        /// 
        ///     Determines where in the dash sequence the stroke will start
        /// 
        ///  
        public DashStyle(IEnumerable dashes, Double offset)
        { 
            Offset = offset; 

            if (dashes != null) 
            {
                Dashes = new DoubleCollection(dashes);
            }
        } 

 
        #endregion Constructors 

 
        #region Internal Methods
        /// 
        /// Returns the dashes information.
        ///  
        /// 
        ///     Critical: Returns a pointer and manipulates unsafe code.This data 
        ///     is safe to expose, it is the pointer manipulation that makes it risky. 
        /// 
        [SecurityCritical] 
        internal unsafe void GetDashData(MIL_PEN_DATA* pData, out double[] dashArray)
        {
            DoubleCollection vDashes = Dashes;
            int count = 0; 

            if (vDashes != null) 
            { 
                count = vDashes.Count;
            } 

            unsafe
            {
                pData->DashArraySize = (UInt32)count * sizeof(double); 
                pData->DashOffset = Offset;
            } 
 
            if (count > 0)
            { 
                dashArray = vDashes._collection.ToArray();
            }
            else
            { 
                dashArray = null;
            } 
        } 
        #endregion Internal Methods
    } 
    #endregion
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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DashStyle.cs source code in C# .NET

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