class/Managed.Windows.Forms/System.Windows.Forms.PropertyGridInternal/PropertiesTab.cs

   1 // Permission is hereby granted, free of charge, to any person obtaining
   2 // a copy of this software and associated documentation files (the
   3 // "Software"), to deal in the Software without restriction, including
   4 // without limitation the rights to use, copy, modify, merge, publish,
   5 // distribute, sublicense, and/or sell copies of the Software, and to
   6 // permit persons to whom the Software is furnished to do so, subject to
   7 // the following conditions:
   8 //
   9 // The above copyright notice and this permission notice shall be
  10 // included in all copies or substantial portions of the Software.
  11 //
  12 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  13 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  14 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  15 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  16 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  17 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  18 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  19 //
  20 // Copyright (c) 2005-2008 Novell, Inc.
  21 //
  22 // Authors:
  23 //      Jonathan Chambers       jonathan.chambers@ansys.com
  24 //      Ivan N. Zlatev          contact@i-nz.net
  25 //
  26
  27 using System;
  28 using System.ComponentModel;
  29 using System.Windows.Forms.Design;
  30
  31 namespace System.Windows.Forms.PropertyGridInternal
  32 {
  33         public class PropertiesTab : PropertyTab
  34         {
  35                 public PropertiesTab ()
  36                 {
  37                 }
  38
  39                 public override PropertyDescriptorCollection GetProperties (object component, Attribute[] attributes)
  40                 {
  41                         return GetProperties (null, component, attributes);
  42                 }
  43
  44                 public override PropertyDescriptorCollection GetProperties (ITypeDescriptorContext context, object component, Attribute[] attributes)
  45                 {
  46                         if (component == null)
  47                                 return new PropertyDescriptorCollection (null);
  48                         if (attributes == null)
  49                                 attributes = new Attribute[] { BrowsableAttribute.Yes };
  50
  51                         PropertyDescriptorCollection properties = null;
  52                         TypeConverter converter = TypeDescriptor.GetConverter (component);
  53                         if (converter != null && converter.GetPropertiesSupported ())
  54                                 properties = converter.GetProperties (context, component, attributes);
  55                         if (properties == null)   // try 3: TypeDescriptor
  56                                 properties = TypeDescriptor.GetProperties (component, attributes);
  57                         return properties;
  58                 }
  59
  60                 public override PropertyDescriptor GetDefaultProperty (object obj)
  61                 {
  62                         if (obj == null)
  63                                 return null;
  64
  65                         return TypeDescriptor.GetDefaultProperty (obj);
  66                 }
  67
  68                 public override string HelpKeyword {
  69                         get { return "vs.properties"; }
  70                 }
  71
  72                 public override string TabName {
  73                         get { return "Properties"; }
  74                 }
  75         }
  76 }