56 lines
1.9 KiB
C#
56 lines
1.9 KiB
C#
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using System;
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using System.ComponentModel;
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namespace JiShe.CollectBus.Common.Extensions
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{
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/// <summary>
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/// Extension methods for <see cref="EventHandler"/>.
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/// </summary>
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public static class EventHandlerExtensions
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{
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/// <summary>
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/// Raises given event safely with given arguments.
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/// </summary>
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/// <param name="eventHandler">The event handler</param>
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/// <param name="sender">Source of the event</param>
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[Description("ʹ<>ø<EFBFBD><C3B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȫ<EFBFBD><C8AB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>¼<EFBFBD>")]
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public static void InvokeSafely(this EventHandler eventHandler, object sender)
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{
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eventHandler.InvokeSafely(sender, EventArgs.Empty);
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}
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/// <summary>
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/// Raises given event safely with given arguments.
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/// </summary>
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/// <param name="eventHandler">The event handler</param>
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/// <param name="sender">Source of the event</param>
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/// <param name="e">Event argument</param>
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public static void InvokeSafely(this EventHandler eventHandler, object sender, EventArgs e)
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{
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if (eventHandler == null)
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{
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return;
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}
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eventHandler(sender, e);
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}
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/// <summary>
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/// Raises given event safely with given arguments.
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/// </summary>
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/// <typeparam name="TEventArgs">Type of the <see cref="EventArgs"/></typeparam>
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/// <param name="eventHandler">The event handler</param>
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/// <param name="sender">Source of the event</param>
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/// <param name="e">Event argument</param>
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public static void InvokeSafely<TEventArgs>(this EventHandler<TEventArgs> eventHandler, object sender, TEventArgs e)
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where TEventArgs : EventArgs
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{
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if (eventHandler == null)
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{
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return;
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}
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eventHandler(sender, e);
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}
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}
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}
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