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using System.Windows.Forms;
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using System;
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namespace Implab.Fx {
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public class ControlBoundPromise<T> : Promise<T> {
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readonly Control m_target;
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public ControlBoundPromise(Control target) {
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Safe.ArgumentNotNull(target, "target");
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m_target = target;
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}
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protected override void SignalSuccess(IDeferred<T> handler) {
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if (m_target.InvokeRequired)
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m_target.BeginInvoke(new Action<IDeferred<T>>(base.SignalSuccess), handler);
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else
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base.SignalSuccess(handler);
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}
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protected override void SignalCancelled(IDeferred<T> handler, Exception reason) {
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if (m_target.InvokeRequired)
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m_target.BeginInvoke(new Action<IDeferred<T>,Exception>(base.SignalCancelled), handler, reason);
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else
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base.SignalCancelled(handler, reason);
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}
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protected override void SignalError(IDeferred<T> handler, Exception error) {
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if (m_target.InvokeRequired)
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m_target.BeginInvoke(new Action<IDeferred<T>,Exception>(base.SignalError), handler, error);
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else
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base.SignalError(handler, error);
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}
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}
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}
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