74 lines
2 KiB
C#
74 lines
2 KiB
C#
#region --- License ---
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/* Licensed under the MIT/X11 license.
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* Copyright (c) 2006-2008 the OpenTK Team.
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* This notice may not be removed from any source distribution.
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* See license.txt for licensing detailed licensing details.
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*/
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#endregion
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using System;
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using System.Collections.Generic;
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using System.Text;
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namespace OpenTK
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{
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public class ContextHandle : /*System.Runtime.InteropServices.SafeHandle,*/ IComparable<ContextHandle>
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{
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IntPtr handle;
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public IntPtr Handle { get { return handle; } }
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public ContextHandle() /*: base(IntPtr.Zero, true)*/ { }
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public ContextHandle(IntPtr h) { handle = h; }
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#region IComparable<ContextHandle> Members
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public int CompareTo(ContextHandle other)
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{
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unsafe { return (int)((int*)other.handle.ToPointer() - (int*)this.handle.ToPointer()); }
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}
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#endregion
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public override string ToString()
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{
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return Handle.ToString();
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}
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public override bool Equals(object obj)
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{
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if (obj is ContextHandle)
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return this.Handle == ((ContextHandle)obj).Handle;
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return false;
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}
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public override int GetHashCode()
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{
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return Handle.GetHashCode();
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}
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/// <summary>A read-only field that represents a handle that has been initialized to zero.</summary>
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public static readonly ContextHandle Zero = new ContextHandle(IntPtr.Zero);
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/*
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public override bool IsInvalid
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{
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get { return handle == IntPtr.Zero; }
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}
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protected override bool ReleaseHandle()
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{
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throw new NotImplementedException();
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}
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*/
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public static implicit operator IntPtr(ContextHandle c)
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{
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return c != null ? c.handle : IntPtr.Zero;
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}
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public static implicit operator ContextHandle(IntPtr p)
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{
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return new ContextHandle(p);
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}
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}
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}
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