1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2019 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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4 | *
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5 | * This file is part of HeuristicLab.
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6 | *
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7 | * HeuristicLab is free software: you can redistribute it and/or modify
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8 | * it under the terms of the GNU General Public License as published by
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9 | * the Free Software Foundation, either version 3 of the License, or
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10 | * (at your option) any later version.
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11 | *
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12 | * HeuristicLab is distributed in the hope that it will be useful,
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 | * GNU General Public License for more details.
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16 | *
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17 | * You should have received a copy of the GNU General Public License
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18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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19 | */
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20 | #endregion
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21 |
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22 | using System;
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23 | using System.Threading;
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24 |
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25 | namespace HeuristicLab.MainForm.WindowsForms {
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26 | public partial class AsynchronousContentView : ContentView {
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27 | public AsynchronousContentView() {
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28 | InitializeComponent();
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29 | }
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30 |
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31 | /// <summary>
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32 | /// Asynchronous call of GUI updating.
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33 | /// </summary>
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34 | /// <param name="method">The delegate to invoke.</param>
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35 | protected new void Invoke(Delegate method) {
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36 | // prevents blocking of worker thread in Invoke, if the control is disposed
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37 | IAsyncResult result = BeginInvoke(method);
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38 | result.AsyncWaitHandle.WaitOne(1000, false);
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39 | if (result.IsCompleted) try { EndInvoke(result); }
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40 | catch (ObjectDisposedException) { } else {
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41 | ThreadPool.RegisterWaitForSingleObject(result.AsyncWaitHandle,
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42 | new WaitOrTimerCallback((x, b) => { try { EndInvoke(result); } catch (ObjectDisposedException) { } }),
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43 | null, -1, true);
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44 | }
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45 | }
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46 |
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47 | /// <summary>
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48 | /// Asynchronous call of GUI updating.
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49 | /// </summary>
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50 | /// <param name="method">The delegate to invoke.</param>
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51 | /// <param name="args">The invoke arguments.</param>
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52 | protected new void Invoke(Delegate method, params object[] args) {
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53 | // prevents blocking of worker thread in Invoke, if the control is disposed
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54 | IAsyncResult result = BeginInvoke(method, args);
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55 | result.AsyncWaitHandle.WaitOne(1000, false);
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56 | if (result.IsCompleted) try { EndInvoke(result); }
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57 | catch (ObjectDisposedException) { } else {
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58 | ThreadPool.RegisterWaitForSingleObject(result.AsyncWaitHandle,
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59 | new WaitOrTimerCallback((x, b) => { try { EndInvoke(result); } catch (ObjectDisposedException) { } }),
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60 | null, -1, true);
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61 | }
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62 | }
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63 | }
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64 | }
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