CursorInteropHelper.cs source code in C# .NET

                        Code:
                         / Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / Orcas / SP / wpf / src / Core / CSharp / System / Windows / InterOp / CursorInteropHelper.cs / 1 / CursorInteropHelper.cs
                        
                        
                            //---------------------------------------------------------------------------- 
//
// File: CursorInteropHelper.cs
//
// Description: Implements Avalon CursorInteropHelper class, which helps 
//              interop b/w Cursor handles and Avalon Cursor objects.
// 
// Copyright (C) 2005 by Microsoft Corporation.  All rights reserved. 
//
// History: 
// 06/30/05     jdmack      Created
//---------------------------------------------------------------------------

using System; 
using System.Runtime.InteropServices;
using System.Security; 
using System.Windows.Input; 
using MS.Internal.PresentationCore;     // SecurityHelper
 
namespace System.Windows.Interop
{
    #region class CursorInteropHelper
    ///  
    ///     Implements Avalon CursorInteropHelper classes, which helps
    ///     interop b/w legacy Cursor handles and Avalon Cursor objects. 
    ///  
    public static class CursorInteropHelper
    { 
        //---------------------------------------------------
        //
        // Public Methods
        // 
        //---------------------------------------------------
        #region Public Methods 
 
        /// 
        ///     Creates a Cursor from a SafeHandle to a native Win32 Cursor 
        /// 
        /// 
        ///     SafeHandle to a native Win32 cursor
        ///  
        ///
        ///     Callers must have UIPermission(UIPermissionWindow.AllWindows) to call this API. 
        /// 
        /// 
        ///    Critical: This causes the cursor to change and accesses the SetHandleInternalMethod 
        ///    PublicOK: There is a demand.
        /// 
        [SecurityCritical ]
        public static Cursor Create(SafeHandle cursorHandle) 
        {
            SecurityHelper.DemandUIWindowPermission(); 
 
            return CriticalCreate(cursorHandle);
        } 

        #endregion Public Methods

        //---------------------------------------------------- 
        //
        // Internal Methods 
        // 
        //---------------------------------------------------
        #region Internal Methods 

        /// 
        ///     Creates a Cursor from a SafeHandle to a native Win32 Cursor
        ///  
        /// 
        ///     SafeHandle to a native Win32 cursor 
        ///  
        /// 
        ///    Critical: This causes the cursor to change and accesses the SetHandleInternalMethod 
        /// 
        [FriendAccessAllowed]
        [SecurityCritical]
        internal static Cursor CriticalCreate(SafeHandle cursorHandle) 
        {
            return new Cursor(cursorHandle); 
        } 

        #endregion Internal Methods 
    }
    #endregion class CursorInteropHelper
}
 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
//---------------------------------------------------------------------------- 
//
// File: CursorInteropHelper.cs
//
// Description: Implements Avalon CursorInteropHelper class, which helps 
//              interop b/w Cursor handles and Avalon Cursor objects.
// 
// Copyright (C) 2005 by Microsoft Corporation.  All rights reserved. 
//
// History: 
// 06/30/05     jdmack      Created
//---------------------------------------------------------------------------

using System; 
using System.Runtime.InteropServices;
using System.Security; 
using System.Windows.Input; 
using MS.Internal.PresentationCore;     // SecurityHelper
 
namespace System.Windows.Interop
{
    #region class CursorInteropHelper
    ///  
    ///     Implements Avalon CursorInteropHelper classes, which helps
    ///     interop b/w legacy Cursor handles and Avalon Cursor objects. 
    ///  
    public static class CursorInteropHelper
    { 
        //---------------------------------------------------
        //
        // Public Methods
        // 
        //---------------------------------------------------
        #region Public Methods 
 
        /// 
        ///     Creates a Cursor from a SafeHandle to a native Win32 Cursor 
        /// 
        /// 
        ///     SafeHandle to a native Win32 cursor
        ///  
        ///
        ///     Callers must have UIPermission(UIPermissionWindow.AllWindows) to call this API. 
        /// 
        /// 
        ///    Critical: This causes the cursor to change and accesses the SetHandleInternalMethod 
        ///    PublicOK: There is a demand.
        /// 
        [SecurityCritical ]
        public static Cursor Create(SafeHandle cursorHandle) 
        {
            SecurityHelper.DemandUIWindowPermission(); 
 
            return CriticalCreate(cursorHandle);
        } 

        #endregion Public Methods

        //---------------------------------------------------- 
        //
        // Internal Methods 
        // 
        //---------------------------------------------------
        #region Internal Methods 

        /// 
        ///     Creates a Cursor from a SafeHandle to a native Win32 Cursor
        ///  
        /// 
        ///     SafeHandle to a native Win32 cursor 
        ///  
        /// 
        ///    Critical: This causes the cursor to change and accesses the SetHandleInternalMethod 
        /// 
        [FriendAccessAllowed]
        [SecurityCritical]
        internal static Cursor CriticalCreate(SafeHandle cursorHandle) 
        {
            return new Cursor(cursorHandle); 
        } 

        #endregion Internal Methods 
    }
    #endregion class CursorInteropHelper
}
 

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