Increase DispatcherPriority of some BeginInvoke calls to ensure that no user input is processed before the callback runs.

This prevents the code editor from 'stealing' the focus when opening a dialog (e.g. Go To) while loading a solution.

src/AddIns/BackendBindings/CSharpBinding/Project/Src/Refactoring/AbstractInlineRefactorDialog.cs

@@ -88,7 +88,7 @@ namespace CSharpBinding.Refactoring
 		
 		protected virtual void FocusFirstElement()
 		{
-			Dispatcher.BeginInvoke(DispatcherPriority.Background, new Action(delegate { this.MoveFocus(new TraversalRequest(FocusNavigationDirection.First)); }));
+			Dispatcher.BeginInvoke(DispatcherPriority.Loaded, new Action(delegate { this.MoveFocus(new TraversalRequest(FocusNavigationDirection.First)); }));
 		}
 		
 		protected void AppendNewLine(Script script, AstNode afterNode, NewLineNode newLineNode)

src/AddIns/DisplayBindings/Data/ICSharpCode.Data.Core.UI/Helpers/VisualHelper.cs

@@ -492,45 +492,5 @@ namespace ICSharpCode.Data.Core.UI
 			else
 				return GetVisualParentObject(parent, walkThroughPopupRoot, comparePredicate);
 		}
-
-        /// <summary>
-        /// Runs an Action in the current dispatcher.
-        /// </summary>
-        /// <param name="actionToRun"></param>
-        public static void RunInDispatcher(Action actionToRun)
-        {
-            if (Application.Current != null)
-                RunInDispatcher(Application.Current.Dispatcher, actionToRun);
-        }
-
-        /// <summary>
-        /// Runs an Action in a given dispatcher.
-        /// </summary>
-        /// <param name="dispatcher"></param>
-        /// <param name="actionToRun"></param>
-        public static void RunInDispatcher(Dispatcher dispatcher, Action actionToRun)
-        {
-            dispatcher.Invoke(DispatcherPriority.Background, actionToRun);
-        }
-
-		/// <summary>
-		/// Runs through all items in the dispatcher.
-		/// </summary>
-		public static void DoEvents()
-		{
-			if (Application.Current != null)
-				DoEvents(Application.Current.Dispatcher);
-		}
-
-		/// <summary>
-		/// Gives DispatcherFrames of the given Dispatcher priority, if
-		/// their DispatcherPriority is higher than "DispatcherPriority.Background".
-		/// </summary>
-		/// <param name="dispatcherToPause"></param>
-		public static void DoEvents(Dispatcher dispatcherToPause)
-		{
-			SD.MainThread.VerifyAccess();
-			dispatcherToPause.Invoke(DispatcherPriority.Background, new System.Action(() => { }));
-		}
 	}
 }

src/AddIns/DisplayBindings/Data/ICSharpCode.Data.EDMDesigner.Core.UI/Helpers/VisualHelper.cs

@@ -489,44 +489,5 @@ namespace ICSharpCode.Data.EDMDesigner.Core.UI.Helpers
 			else
 				return GetVisualParentObject(parent, walkThroughPopupRoot, comparePredicate);
 		}
-
-        /// <summary>
-        /// Runs an Action in the current dispatcher.
-        /// </summary>
-        /// <param name="actionToRun"></param>
-        public static void RunInDispatcher(Action actionToRun)
-        {
-            if (Application.Current != null)
-                RunInDispatcher(Application.Current.Dispatcher, actionToRun);
-        }
-
-        /// <summary>
-        /// Runs an Action in a given dispatcher.
-        /// </summary>
-        /// <param name="dispatcher"></param>
-        /// <param name="actionToRun"></param>
-        public static void RunInDispatcher(Dispatcher dispatcher, Action actionToRun)
-        {
-            dispatcher.Invoke(DispatcherPriority.Background, actionToRun);
-        }
-
-		/// <summary>
-		/// Runs through all items in the dispatcher.
-		/// </summary>
-		public static void DoEvents()
-		{
-			if (Application.Current != null)
-				DoEvents(Application.Current.Dispatcher);
-		}
-
-		/// <summary>
-		/// Gives DispatcherFrames of the given Dispatcher priority, if
-		/// their DispatcherPriority is higher than "DispatcherPriority.Background".
-		/// </summary>
-		/// <param name="dispatcherToPause"></param>
-		public static void DoEvents(Dispatcher dispatcherToPause)
-		{
-			dispatcherToPause.Invoke(DispatcherPriority.Background, new System.Action(() => { }));
-		}
 	}
 }

src/Main/Base/Project/Src/Project/Behaviors/DefaultProjectBehavior.cs

@@ -106,7 +106,7 @@ namespace ICSharpCode.SharpDevelop.Project
 				}
 			}
 			System.Windows.Threading.Dispatcher.CurrentDispatcher.BeginInvoke(
-				System.Windows.Threading.DispatcherPriority.Background,
+				System.Windows.Threading.DispatcherPriority.Loaded,
 				new Action(
 					delegate {
 						NavigationService.SuspendLogging();

src/Main/SharpDevelop/Workbench/AvalonPadContent.cs

@@ -83,7 +83,7 @@ namespace ICSharpCode.SharpDevelop.Workbench
 					if (isFocused) {
 						IInputElement initialFocus = padInstance.InitiallyFocusedControl as IInputElement;
 						if (initialFocus != null) {
-							Dispatcher.BeginInvoke(DispatcherPriority.Input,
+							Dispatcher.BeginInvoke(DispatcherPriority.Loaded,
 							                       new Action(delegate { Keyboard.Focus(initialFocus); }));
 						}
 					}

src/Main/SharpDevelop/Workbench/AvalonWorkbenchWindow.cs

@@ -55,7 +55,7 @@ namespace ICSharpCode.SharpDevelop.Workbench
 		internal static void SetFocus(ManagedContent m, Func<IInputElement> activeChildFunc, bool forceSetFocus = false)
 		{
 			m.Dispatcher.BeginInvoke(
-				DispatcherPriority.Input,
+				DispatcherPriority.Loaded,
 				new Action(
 					delegate {
 						// ensure that condition for FocusContent() is still fulfilled