Imported Upstream version 4.2.0.179

Former-commit-id: 4610231f55806d2a05ed69e5ff3faa7336cc1479

mcs/class/System.Windows.Forms/System.Windows.Forms.Design/PropertyTab.cs

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+// 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.
+//
+// Copyright (c) 2004 Novell, Inc.
+//
+// Authors:	Marek Safar		(marek.safar@seznam.cz)
+//
+
+// COMPLETE
+
+using System.Drawing;
+using System.ComponentModel;
+
+namespace System.Windows.Forms.Design
+{
+	public abstract class PropertyTab: IExtenderProvider
+	{
+		Bitmap bitmap;
+		object[] components;
+
+		protected PropertyTab () {}
+
+		~PropertyTab ()
+		{
+			Dispose (false);
+		}
+
+		public virtual Bitmap Bitmap { 
+			get {
+				if (bitmap == null) {
+					Type t = base.GetType();
+					bitmap = new Bitmap (t, t.Name + ".bmp");
+				}
+				return bitmap;
+			}
+		}
+
+		public virtual object[] Components { 
+			get { return components; }
+			set { components = value; }
+		}
+
+		public virtual string HelpKeyword { 
+			get { return TabName; }
+		}
+
+		public abstract string TabName { get; }
+
+		public virtual bool CanExtend (object extendee)
+		{
+			return true;
+		}
+
+		public virtual void Dispose()
+		{
+			Dispose (true);
+			GC.SuppressFinalize (this);
+		}
+
+		protected virtual void Dispose(bool disposing)
+		{
+			if (disposing && bitmap != null) {
+				bitmap.Dispose ();
+				bitmap = null;
+			}
+		}
+
+		public virtual PropertyDescriptor GetDefaultProperty (object component)
+		{
+			return TypeDescriptor.GetDefaultProperty(component);
+		}
+
+		public virtual PropertyDescriptorCollection GetProperties (object component)
+		{
+			return GetProperties (component, null);
+		}
+
+		public abstract PropertyDescriptorCollection GetProperties (object component, Attribute[] attributes);
+
+		public virtual PropertyDescriptorCollection GetProperties (ITypeDescriptorContext context, object component, Attribute[] attributes)
+		{
+			return GetProperties (component, attributes);
+		}
+	}
+}