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//
// System.ComponentModel.ReadOnlyAttribute.cs
//
// Author:
// Chris J Breisch (cjbreisch@altavista.net)
//
// (C) 2002 Chris J Breisch
//
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
namespace System.ComponentModel {
[AttributeUsage (AttributeTargets.All)]
sealed public class ReadOnlyAttribute : Attribute {
bool read_only;
public static readonly ReadOnlyAttribute No;
public static readonly ReadOnlyAttribute Yes;
public static readonly ReadOnlyAttribute Default;
static ReadOnlyAttribute ()
{
No = new ReadOnlyAttribute (false);
Yes = new ReadOnlyAttribute (true);
Default = new ReadOnlyAttribute (false);
}
public ReadOnlyAttribute (bool read_only)
{
this.read_only = read_only;
}
public bool IsReadOnly {
get {
return read_only;
}
}
public override int GetHashCode ()
{
return read_only.GetHashCode ();
}
public override bool Equals (object o)
{
if (!(o is ReadOnlyAttribute))
return false;
return (((ReadOnlyAttribute) o).IsReadOnly.Equals (read_only));
}
public override bool IsDefaultAttribute ()
{
return Equals (Default);
}
}
}
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