implab/ImplabNet Files · Implab.Fx/ControlBoundPromise.cs

Fixed chaining of promises with 'Then' method

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             ControlBoundPromise.cs
        
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             / Implab.Fx / ControlBoundPromise.cs
          
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      using System.Windows.Forms;

      using System;

      namespace Implab.Fx {

          public class ControlBoundPromise<T> : Promise<T> {

              readonly Control m_target;

              public ControlBoundPromise(Control target) {

                  Safe.ArgumentNotNull(target, "target");

                  m_target = target;

              }

              protected override void SignalSuccess(IDeferred<T> handler) {

                  if (m_target.InvokeRequired)

                      m_target.BeginInvoke(new Action<IDeferred<T>>(base.SignalSuccess), handler);

                  else

                      base.SignalSuccess(handler);

              }

              protected override void SignalCancelled(IDeferred<T> handler) {

                  if (m_target.InvokeRequired)

                      m_target.BeginInvoke(new Action<IDeferred<T>>(base.SignalCancelled), handler);

                  else

                      base.SignalCancelled(handler);

              }

              protected override void SignalError(IDeferred<T> handler, Exception error) {

                  if (m_target.InvokeRequired)

                      m_target.BeginInvoke(new Action<IDeferred<T>,Exception>(base.SignalError), handler, error);

                  else

                      base.SignalError(handler, error);

              }

          }

      }

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				using System.Windows.Forms;
				using System;


				namespace Implab.Fx {
				public class ControlBoundPromise<T> : Promise<T> {
				readonly Control m_target;

				public ControlBoundPromise(Control target) {
				Safe.ArgumentNotNull(target, "target");

				m_target = target;
				}

				protected override void SignalSuccess(IDeferred<T> handler) {
				if (m_target.InvokeRequired)
				m_target.BeginInvoke(new Action<IDeferred<T>>(base.SignalSuccess), handler);
				else
				base.SignalSuccess(handler);
				}

				protected override void SignalCancelled(IDeferred<T> handler) {
				if (m_target.InvokeRequired)
				m_target.BeginInvoke(new Action<IDeferred<T>>(base.SignalCancelled), handler);
				else
				base.SignalCancelled(handler);
				}

				protected override void SignalError(IDeferred<T> handler, Exception error) {
				if (m_target.InvokeRequired)
				m_target.BeginInvoke(new Action<IDeferred<T>,Exception>(base.SignalError), handler, error);
				else
				base.SignalError(handler, error);
				}

				}
				}