SafeFileHandle.cs source code in C# .NET

Source code for the .NET framework in C#

                        

Code:

/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / whidbey / netfxsp / ndp / clr / src / BCL / Microsoft / Win32 / SafeHandles / SafeFileHandle.cs / 1 / SafeFileHandle.cs

                            // ==++== 
//
//   Copyright (c) Microsoft Corporation.  All rights reserved.
//
// ==--== 
/*============================================================
** 
** Class:  SafeFileHandle 
**
** 
** A wrapper for file handles
**
**
===========================================================*/ 

using System; 
using System.Security; 
using System.Security.Permissions;
using System.Runtime.InteropServices; 
using System.Runtime.CompilerServices;
using System.Runtime.ConstrainedExecution;
using System.Runtime.Versioning;
using Microsoft.Win32; 

namespace Microsoft.Win32.SafeHandles { 
 
    [SecurityPermission(SecurityAction.LinkDemand,UnmanagedCode=true)]
    public sealed class SafeFileHandle: SafeHandleZeroOrMinusOneIsInvalid { 

        private SafeFileHandle() : base(true)
        {
        } 

        public SafeFileHandle(IntPtr preexistingHandle, bool ownsHandle) : base(ownsHandle) { 
            SetHandle(preexistingHandle); 
        }
 
        [ResourceExposure(ResourceScope.Machine)]
        [ResourceConsumption(ResourceScope.Machine)]
        override protected bool ReleaseHandle()
        { 
            return Win32Native.CloseHandle(handle);
        } 
    } 
}
 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// ==++== 
//
//   Copyright (c) Microsoft Corporation.  All rights reserved.
//
// ==--== 
/*============================================================
** 
** Class:  SafeFileHandle 
**
** 
** A wrapper for file handles
**
**
===========================================================*/ 

using System; 
using System.Security; 
using System.Security.Permissions;
using System.Runtime.InteropServices; 
using System.Runtime.CompilerServices;
using System.Runtime.ConstrainedExecution;
using System.Runtime.Versioning;
using Microsoft.Win32; 

namespace Microsoft.Win32.SafeHandles { 
 
    [SecurityPermission(SecurityAction.LinkDemand,UnmanagedCode=true)]
    public sealed class SafeFileHandle: SafeHandleZeroOrMinusOneIsInvalid { 

        private SafeFileHandle() : base(true)
        {
        } 

        public SafeFileHandle(IntPtr preexistingHandle, bool ownsHandle) : base(ownsHandle) { 
            SetHandle(preexistingHandle); 
        }
 
        [ResourceExposure(ResourceScope.Machine)]
        [ResourceConsumption(ResourceScope.Machine)]
        override protected bool ReleaseHandle()
        { 
            return Win32Native.CloseHandle(handle);
        } 
    } 
}
 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
                        

Link Menu

Network programming in C#, Network Programming in VB.NET, Network Programming in .NET
This book is available now!
Buy at Amazon US or
Buy at Amazon UK