Debugger visualizers - removed unused IVisualizerCommand.CanExecute.

src/AddIns/Debugger/Debugger.AddIn/Visualizers/Commands/ExpressionVisualizerCommand.cs

@@ -23,8 +23,6 @@ namespace Debugger.AddIn.Visualizers
 			this.Expression = expression;
 		}
 		
-		public abstract bool CanExecute { get; }
-		
 		public abstract void Execute();
 	}
 }

src/AddIns/Debugger/Debugger.AddIn/Visualizers/Commands/GridVisualizerCommand.cs

@@ -41,10 +41,6 @@ namespace Debugger.AddIn.Visualizers
 		{
 		}
 		
-		public override bool CanExecute { 
-			get { return true; }
-		}
-		
 		public override string ToString()
 		{
 			return "Collection visualizer";
@@ -52,10 +48,10 @@ namespace Debugger.AddIn.Visualizers
 		
 		public override void Execute()
 		{
-			if (this.Expression != null) {
+			if (this.Expression == null)
-				var gridVisualizerWindow = GridVisualizerWindow.EnsureShown();
+				return;
-				gridVisualizerWindow.ShownExpression = this.Expression;
+			var gridVisualizerWindow = GridVisualizerWindow.EnsureShown();
-			}
+			gridVisualizerWindow.ShownExpression = this.Expression;
 		}
 	}
 }

src/AddIns/Debugger/Debugger.AddIn/Visualizers/Commands/ObjectGraphVisualizerCommand.cs

@@ -36,10 +36,6 @@ namespace Debugger.AddIn.Visualizers
 		{
 		}
 		
-		public override bool CanExecute { 
-			get { return true; }
-		}
-		
 		public override string ToString()
 		{
 			return "Object graph visualizer";
@@ -47,10 +43,10 @@ namespace Debugger.AddIn.Visualizers
 		
 		public override void Execute()
 		{
-			if (this.Expression != null) {
+			if (this.Expression == null)
-				var objectGraphWindow = ObjectGraphWindow.EnsureShown();
+				return;
-				objectGraphWindow.ShownExpression = this.Expression;
+			var objectGraphWindow = ObjectGraphWindow.EnsureShown();
-			}
+			objectGraphWindow.ShownExpression = this.Expression;
 		}
 	}
 }

src/AddIns/Debugger/Debugger.AddIn/Visualizers/Commands/TextVisualizerCommand.cs

@@ -26,9 +26,6 @@ namespace Debugger.AddIn.Visualizers
 		}
 	}
 	
-	/// <summary>
-	/// Description of TextVisualizerCommand.
-	/// </summary>
 	public class TextVisualizerCommand : ExpressionVisualizerCommand
 	{
 		public TextVisualizerCommand(Expression expression)
@@ -36,10 +33,6 @@ namespace Debugger.AddIn.Visualizers
 		{
 		}
 		
-		public override bool CanExecute { 
-			get { return true; }
-		}
-		
 		public override string ToString()
 		{
 			return "Text visualizer";
@@ -47,13 +40,11 @@ namespace Debugger.AddIn.Visualizers
 		
 		public override void Execute()
 		{
-			if (this.Expression != null)
+			if (this.Expression == null)
-			{
+				return;
-				var textVisualizerWindow = new TextVisualizerWindow(
+			string expressionValue = this.Expression.Evaluate(WindowsDebugger.CurrentProcess).AsString();
-					this.Expression.PrettyPrint(), this.Expression.Evaluate(WindowsDebugger.CurrentProcess).InvokeToString());
+			var textVisualizerWindow = new TextVisualizerWindow(this.Expression.PrettyPrint(), expressionValue);
-				textVisualizerWindow.Mode = TextVisualizerMode.PlainText;
+			textVisualizerWindow.ShowDialog();
-				textVisualizerWindow.ShowDialog();
-			}
 		}
 	}
 }

src/AddIns/Debugger/Debugger.AddIn/Visualizers/Commands/XmlVisualizerCommand.cs

@@ -36,24 +36,19 @@ namespace Debugger.AddIn.Visualizers
 		{
 		}
 		
-		public override bool CanExecute { 
-			get { return true; }
-		}
-		
 		public override string ToString()
 		{
-			return "Xml visualizer";
+			return "XML visualizer";
 		}
 		
 		public override void Execute()
 		{
-			if (this.Expression != null)
+			if (this.Expression == null)
-			{
+				return;
-				var textVisualizerWindow = new TextVisualizerWindow(
+			var textVisualizerWindow = new TextVisualizerWindow(
-					this.Expression.PrettyPrint(), this.Expression.Evaluate(WindowsDebugger.CurrentProcess).InvokeToString());
+				this.Expression.PrettyPrint(), this.Expression.Evaluate(WindowsDebugger.CurrentProcess).AsString());
-				textVisualizerWindow.Mode = TextVisualizerMode.Xml;
+			textVisualizerWindow.Mode = TextVisualizerMode.Xml;
-				textVisualizerWindow.ShowDialog();
+			textVisualizerWindow.ShowDialog();
-			}
 		}
 	}
 }

src/AddIns/Debugger/Debugger.AddIn/Visualizers/Graph/ObjectGraph/PropertiesFirstComparer.cs

@@ -4,7 +4,6 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
-using System;
 using System.Reflection;
 
 namespace Debugger.AddIn.Visualizers.Graph

src/Main/Base/Project/Src/Services/Debugger/Tooltips/IVisualizerCommand.cs

@@ -12,11 +12,6 @@ namespace ICSharpCode.SharpDevelop.Debugging
 	/// </summary>
 	public interface IVisualizerCommand
 	{
-		/// <summary>
-		/// Can this command execute?
-		/// </summary>
-		bool CanExecute { get; }
-		
 		/// <summary>
 		/// Executes this visualizer command.
 		/// </summary>