2 // System.ComponentModel.Design.ExtenderService
5 // Ivan N. Zlatev (contact i-nZ.net)
7 // (C) 2006 Ivan N. Zlatev
10 // Permission is hereby granted, free of charge, to any person obtaining
11 // a copy of this software and associated documentation files (the
12 // "Software"), to deal in the Software without restriction, including
13 // without limitation the rights to use, copy, modify, merge, publish,
14 // distribute, sublicense, and/or sell copies of the Software, and to
15 // permit persons to whom the Software is furnished to do so, subject to
16 // the following conditions:
18 // The above copyright notice and this permission notice shall be
19 // included in all copies or substantial portions of the Software.
21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
25 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
26 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
27 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
32 using System.Collections;
33 using System.ComponentModel;
35 namespace System.ComponentModel.Design
38 internal sealed class ExtenderService : IExtenderProviderService, IExtenderListService, IDisposable
41 private ArrayList _extenderProviders;
43 public ExtenderService ()
45 _extenderProviders = new ArrayList ();
48 public void AddExtenderProvider (IExtenderProvider provider)
50 if (_extenderProviders != null) {
51 if (!_extenderProviders.Contains (provider))
52 _extenderProviders.Add (provider);
56 public void RemoveExtenderProvider (IExtenderProvider provider)
58 if (_extenderProviders != null) {
59 if (_extenderProviders.Contains (provider))
60 _extenderProviders.Remove (provider);
64 public IExtenderProvider[] GetExtenderProviders()
66 if (_extenderProviders != null) {
67 IExtenderProvider[] result = new IExtenderProvider[_extenderProviders.Count];
68 _extenderProviders.CopyTo (result, 0);
75 public void Dispose ()
77 if (_extenderProviders != null) {
78 _extenderProviders.Clear ();
79 _extenderProviders = null;