PromiseHelpers.cs
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/ Implab.Fx / PromiseHelpers.cs
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r4 | using System; | ||
| using System.Windows.Forms; | ||||
| using System.Threading; | ||||
| namespace Implab.Fx | ||||
| { | ||||
| public static class PromiseHelpers | ||||
| { | ||||
| /// <summary> | ||||
| /// Перенаправляет обработку обещания в поток указанного элемента управления. | ||||
| /// </summary> | ||||
| /// <typeparam name="T">Тип результата обещания</typeparam> | ||||
| /// <param name="that">Исходное обещание</param> | ||||
| /// <param name="ctl">Элемент управления</param> | ||||
| /// <returns>Новое обещание, обработчики которого будут выполнены в потоке элемента управления.</returns> | ||||
| /// <exception cref="ArgumentNullException">Параметр не может быть <c>null</c>.</exception> | ||||
| /// <example> | ||||
| /// client | ||||
| /// .Get("description.txt") // returns a promise | ||||
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r76 | /// .DispatchToControl(m_ctl) // handle the promise in the thread of the control | ||
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r4 | /// .Then( | ||
| /// description => m_ctl.Text = description // now it's safe | ||||
| /// ) | ||||
| /// </example> | ||||
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r76 | public static IPromise<T> DispatchToControl<T>(this IPromise<T> that, Control ctl) | ||
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r4 | { | ||
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r76 | Safe.ArgumentNotNull(that, "that"); | ||
| Safe.ArgumentNotNull(ctl, "ctl"); | ||||
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r119 | var directed = new ControlBoundPromise<T>(ctl); | ||
| directed.On(that.Cancel, PromiseEventType.Cancelled); | ||||
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r104 | that.On( | ||
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r72 | directed.Resolve, | ||
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r76 | directed.Reject, | ||
| directed.Cancel | ||||
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r4 | ); | ||
| return directed; | ||||
| } | ||||
| } | ||||
| } | ||||