using System; using System.Collections.Generic; using System.Text; using System.ComponentModel; using System.Windows.Forms; using System.Runtime.CompilerServices; namespace MovieTube.Viewer { public static class ExtensionMethods { public static void InvokeEx(this TControl control, Action action) where TControl : Control { if (control.InvokeRequired) control.BeginInvoke(action); else action(); } } } namespace System.Runtime.CompilerServices { [AttributeUsage(AttributeTargets.Assembly | AttributeTargets.Class | AttributeTargets.Method)] public sealed class ExtensionAttribute : Attribute { } }