Mercurial > pub > ImplabNet

annotate Implab.Fx/ControlBoundPromise.cs @ 138:f75cfa58e3d4 v2

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added ICancellable.Cancel(Exception) to allow specify the reason of cancellation
author cin
date Tue, 17 Feb 2015 18:16:26 +0300
parents 2573b562e328
children 706fccb85524
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1 using System.Windows.Forms;
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2 using System;
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3
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5 namespace Implab.Fx {
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6 public class ControlBoundPromise<T> : Promise<T> {
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7 readonly Control m_target;
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8
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9 public ControlBoundPromise(Control target) {
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10 Safe.ArgumentNotNull(target, "target");
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11
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12 m_target = target;
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13 }
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15 protected override void SignalSuccess(IDeferred<T> handler) {
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16 if (m_target.InvokeRequired)
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17 m_target.BeginInvoke(new Action<IDeferred<T>>(base.SignalSuccess), handler);
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18 else
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19 base.SignalSuccess(handler);
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20 }
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22 protected override void SignalCancelled(IDeferred<T> handler, Exception reason) {
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23 if (m_target.InvokeRequired)
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24 m_target.BeginInvoke(new Action<IDeferred<T>,Exception>(base.SignalCancelled), handler, reason);
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25 else
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26 base.SignalCancelled(handler, reason);
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27 }
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29 protected override void SignalError(IDeferred<T> handler, Exception error) {
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30 if (m_target.InvokeRequired)
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31 m_target.BeginInvoke(new Action<IDeferred<T>,Exception>(base.SignalError), handler, error);
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32 else
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33 base.SignalError(handler, error);
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34 }
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36 }
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37 }
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