68 lines
2.2 KiB
C#
68 lines
2.2 KiB
C#
// 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) 2006 Novell, Inc.
|
|
//
|
|
// Authors:
|
|
// Chris Toshok <toshok@ximian.com>
|
|
|
|
using System;
|
|
using System.Collections;
|
|
using System.ComponentModel;
|
|
|
|
namespace System.Windows.Forms {
|
|
|
|
internal class RelatedPropertyManager : PropertyManager {
|
|
|
|
BindingManagerBase parent;
|
|
|
|
public RelatedPropertyManager (BindingManagerBase parent, string property_name)
|
|
{
|
|
this.parent = parent;
|
|
this.property_name = property_name;
|
|
|
|
if (parent.Position != -1)
|
|
SetDataSource (parent.Current);
|
|
parent.PositionChanged += new EventHandler (parent_PositionChanged);
|
|
}
|
|
|
|
void parent_PositionChanged (object sender, EventArgs args)
|
|
{
|
|
if (parent.Position == -1) {
|
|
SetDataSource (null);
|
|
}
|
|
else {
|
|
SetDataSource (parent.Current);
|
|
}
|
|
|
|
OnCurrentChanged (EventArgs.Empty);
|
|
}
|
|
|
|
public override PropertyDescriptorCollection GetItemProperties ()
|
|
{
|
|
PropertyDescriptor property = parent.GetItemProperties ().Find (property_name, true);
|
|
|
|
// We can't just pass property.PropertyType, since the actual object could implement
|
|
// more elements and not only those described in the property type
|
|
return TypeDescriptor.GetProperties (property.GetValue (parent.Current));
|
|
}
|
|
}
|
|
}
|
|
|