Initial Commit

ViewportRestrictions/ISupportAttachToViewport.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Windows;
+
+namespace Microsoft.Research.DynamicDataDisplay.ViewportRestrictions
+{
+	/// <summary>
+	/// Represents a restriction which is capable to attach to or detach from <see cref="Viewport"/>, to which it is applied.
+	/// </summary>
+	public interface ISupportAttachToViewport
+	{
+		/// <summary>
+		/// Attaches the specified viewport to a restriction.
+		/// </summary>
+		/// <param name="viewport">The viewport.</param>
+		void Attach(Viewport2D viewport);
+
+		/// <summary>
+		/// Detaches the specified viewport from a restriction.
+		/// </summary>
+		/// <param name="viewport">The viewport.</param>
+		void Detach(Viewport2D viewport);
+	}
+}