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ICSharpCode.TextEditor/Project/Src/Document/Selection/ColumnRange.cs

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+// <file>
+//     <copyright see="prj:///doc/copyright.txt"/>
+//     <license see="prj:///doc/license.txt"/>
+//     <owner name="Mike Krüger" email="mike@icsharpcode.net"/>
+//     <version>$Revision$</version>
+// </file>
+
+using System;
+
+namespace ICSharpCode.TextEditor.Document
+{
+	public class ColumnRange 
+	{
+		public static readonly ColumnRange NoColumn    = new ColumnRange(-2, -2);
+		public static readonly ColumnRange WholeColumn = new ColumnRange(-1, -1);
+		
+		int startColumn;
+		int endColumn;
+		
+		public int StartColumn {
+			get {
+				return startColumn;
+			}
+			set {
+				startColumn = value;
+			}
+		}
+		
+		public int EndColumn {
+			get {
+				return endColumn;
+			}
+			set {
+				endColumn = value;
+			}
+		}
+		
+		public ColumnRange(int startColumn, int endColumn)
+		{
+			this.startColumn = startColumn;
+			this.endColumn = endColumn;
+			
+		}
+		
+		public override int GetHashCode()
+		{
+			return startColumn + (endColumn << 16);
+		}
+		
+		public override bool Equals(object obj)
+		{
+			if (obj is ColumnRange) {
+				return ((ColumnRange)obj).startColumn == startColumn &&
+				       ((ColumnRange)obj).endColumn == endColumn;
+				
+			}
+			return false;
+		}
+		
+		public override string ToString()
+		{
+			return string.Format("[ColumnRange: StartColumn={0}, EndColumn={1}]", startColumn, endColumn);
+		}
+		
+	}
+}