Introduced new FormatLines() overload in IFormattingStrategy for more convenience.

src/AddIns/BackendBindings/CSharpBinding/Project/Src/FormattingStrategy/CSharpFormattingStrategy.cs

@@ -262,6 +262,21 @@ namespace CSharpBinding.FormattingStrategy
 			return regions > endregions;
 		}
 		
+		public override void FormatLines(ITextEditor textArea)
+		{
+			using (textArea.Document.OpenUndoGroup()) {
+				// In any other case: Simply format selection or whole document
+				var formattingOptions = CSharpFormattingOptionsPersistence.GetProjectOptions(SD.ProjectService.CurrentProject);
+				int formattedTextOffset = 0;
+				int formattedTextLength = textArea.Document.TextLength;
+				if (textArea.SelectionLength != 0) {
+					formattedTextOffset = textArea.SelectionStart;
+					formattedTextLength = textArea.SelectionLength;
+				}
+				CSharpFormatterHelper.Format(textArea, formattedTextOffset, formattedTextLength, formattingOptions.OptionsContainer);
+			}
+		}
+		
 		public override void FormatLine(ITextEditor textArea, char ch) // used for comment tag formater/inserter
 		{
 			using (textArea.Document.OpenUndoGroup()) {
@@ -425,18 +440,6 @@ namespace CSharpBinding.FormattingStrategy
 						}
 					}
 					return;
-					
-				case (char) 0:
-					// In any other case: Simply format selection or whole document
-					var formattingOptions = CSharpFormattingOptionsPersistence.GetProjectOptions(SD.ProjectService.CurrentProject);
-					int formattedTextOffset = 0;
-					int formattedTextLength = textArea.Document.TextLength;
-					if (textArea.SelectionLength != 0) {
-						formattedTextOffset = textArea.SelectionStart;
-						formattedTextLength = textArea.SelectionLength;
-					}
-					CSharpFormatterHelper.Format(textArea, formattedTextOffset, formattedTextLength, formattingOptions.OptionsContainer);
-					break;
 			}
 		}
 		

src/Main/Base/Project/Src/Editor/Commands/ReformatSelection.cs

@@ -35,7 +35,7 @@ namespace ICSharpCode.SharpDevelop.Editor.Commands
 			if (editor == null)
 				return;
 			
-			editor.Language.FormattingStrategy.FormatLine(editor, (char) 0);
+			editor.Language.FormattingStrategy.FormatLines(editor);
 		}
 	}
 }

src/Main/Base/Project/Src/Editor/IFormattingStrategy.cs

@@ -28,6 +28,12 @@ namespace ICSharpCode.SharpDevelop.Editor
 	/// </summary>
 	public interface IFormattingStrategy
 	{
+		/// <summary>
+		/// Formats content in current selection or whole open file, if nothing is selected.
+		/// </summary>
+		/// <param name="editor">Current text editor.</param>
+		void FormatLines(ITextEditor editor);
+		
 		/// <summary>
 		/// This function formats a specific line after <code>charTyped</code> is pressed.
 		/// </summary>
@@ -53,6 +59,10 @@ namespace ICSharpCode.SharpDevelop.Editor
 	{
 		internal static readonly DefaultFormattingStrategy DefaultInstance = new DefaultFormattingStrategy();
 		
+		public virtual void FormatLines(ITextEditor textArea)
+		{
+		}
+		
 		public virtual void FormatLine(ITextEditor editor, char charTyped)
 		{
 		}