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source: trunk/sources/HeuristicLab.MainForm.WindowsForms/3.3/Views/AsynchronousContentView.cs @ 15296

Last change on this file since 15296 was 14185, checked in by swagner, 8 years ago

#2526: Updated year of copyrights in license headers

File size: 2.6 KB
RevLine 
[3742]1#region License Information
2/* HeuristicLab
[14185]3 * Copyright (C) 2002-2016 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
[3742]4 *
5 * This file is part of HeuristicLab.
6 *
7 * HeuristicLab is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * HeuristicLab is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
19 */
20#endregion
21
22using System;
[3437]23using System.Threading;
24
25namespace HeuristicLab.MainForm.WindowsForms {
26  public partial class AsynchronousContentView : ContentView {
27    public AsynchronousContentView() {
28      InitializeComponent();
29    }
30
31    /// <summary>
32    /// Asynchronous call of GUI updating.
33    /// </summary>
34    /// <param name="method">The delegate to invoke.</param>
35    protected new void Invoke(Delegate method) {
36      // prevents blocking of worker thread in Invoke, if the control is disposed
37      IAsyncResult result = BeginInvoke(method);
38      result.AsyncWaitHandle.WaitOne(1000, false);
39      if (result.IsCompleted) try { EndInvoke(result); }
40        catch (ObjectDisposedException) { } else {
41        ThreadPool.RegisterWaitForSingleObject(result.AsyncWaitHandle,
42          new WaitOrTimerCallback((x, b) => { try { EndInvoke(result); } catch (ObjectDisposedException) { } }),
43          null, -1, true);
44      }
45    }
46
47    /// <summary>
48    /// Asynchronous call of GUI updating.
49    /// </summary>
50    /// <param name="method">The delegate to invoke.</param>
51    /// <param name="args">The invoke arguments.</param>
52    protected new void Invoke(Delegate method, params object[] args) {
53      // prevents blocking of worker thread in Invoke, if the control is disposed
54      IAsyncResult result = BeginInvoke(method, args);
55      result.AsyncWaitHandle.WaitOne(1000, false);
[4068]56      if (result.IsCompleted) try { EndInvoke(result); }
57        catch (ObjectDisposedException) { } else {
[3437]58        ThreadPool.RegisterWaitForSingleObject(result.AsyncWaitHandle,
59          new WaitOrTimerCallback((x, b) => { try { EndInvoke(result); } catch (ObjectDisposedException) { } }),
60          null, -1, true);
61      }
62    }
63  }
64}
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