ProjectBinding may choose to handle missing project by itself.

src/AddIns/BackendBindings/Boo/BooBinding/Project/Src/BooProjectBinding.cs

@@ -34,5 +34,11 @@ namespace Grunwald.BooBinding
 				return BooLanguageProperties.Instance;
 			}
 		}
+		
+		public bool HandlingMissingProject {
+			get { 
+				return false; 
+			}
+		}
 	}
 }

src/AddIns/BackendBindings/CSharpBinding/Project/Src/CSharpProjectBinding.cs

@@ -27,5 +27,11 @@ namespace CSharpBinding
 		{
 			return new CSharpProject(info);
 		}
+		
+		public bool HandlingMissingProject {
+			get { 
+				return false; 
+			}
+		}
 	}
 }

src/AddIns/BackendBindings/CppBinding/CppBinding/CppProjectBinding.cs

@@ -30,5 +30,11 @@ namespace ICSharpCode.CppBinding
 			info.Platform = "Win32";
 			return new CppProject(info);
 		}
+		
+		public bool HandlingMissingProject {
+			get { 
+				return false; 
+			}
+		}
 	}
 }

src/AddIns/BackendBindings/FSharpBinding/FSharpLanguageBinding.cs

@@ -21,5 +21,11 @@ namespace FSharpBinding
 		{
 			return new FSharpProject(info);
 		}
+		
+		public bool HandlingMissingProject {
+			get { 
+				return false; 
+			}
+		}
 	}
 }

src/AddIns/BackendBindings/Python/PythonBinding/Project/Src/PythonProjectBinding.cs

@@ -31,5 +31,11 @@ namespace ICSharpCode.PythonBinding
 		{
 			return new PythonProject(info);
 		}
+		
+		public bool HandlingMissingProject {
+			get { 
+				return false; 
+			}
+		}
 	}
 }

src/AddIns/BackendBindings/Ruby/RubyBinding/Project/Src/RubyProjectBinding.cs

@@ -28,5 +28,11 @@ namespace ICSharpCode.RubyBinding
 		{
 			return new RubyProject(info);
 		}
+		
+		public bool HandlingMissingProject {
+			get { 
+				return false; 
+			}
+		}
 	}
 }

src/AddIns/BackendBindings/VBNetBinding/Project/Src/VBNetProjectBinding.cs

@@ -28,5 +28,11 @@ namespace ICSharpCode.VBNetBinding
 		{
 			return new VBNetProject(info);
 		}
+		
+		public bool HandlingMissingProject {
+			get { 
+				return false; 
+			}
+		}
 	}
 }

src/AddIns/BackendBindings/WixBinding/Project/Src/WixProjectBinding.cs

@@ -27,5 +27,11 @@ namespace ICSharpCode.WixBinding
 		{
 			return new WixProject(info);
 		}
+		
+		public bool HandlingMissingProject {
+			get { 
+				return false; 
+			}
+		}
 	}
 }

src/Main/Base/Project/Src/Services/ProjectBinding/IProjectBinding.cs

@@ -27,5 +27,11 @@ namespace ICSharpCode.SharpDevelop.Project
 		/// it 'controls'.
 		/// </summary>
 		IProject CreateProject(ProjectCreateInformation info);
+		
+		/// <summary>
+		/// Determines whether this ProjectBinding handling missing project file 
+		/// itself or it relies on the default logic of creating MissingProject project
+		/// </summary>
+		bool HandlingMissingProject { get; }
 	}
 }

src/Main/Base/Project/Src/Services/ProjectBinding/ProjectBindingService.cs

@@ -95,12 +95,12 @@ namespace ICSharpCode.SharpDevelop
 			
 			progressMonitor.CancellationToken.ThrowIfCancellationRequested();
 			
+			IProjectBinding binding = ProjectBindingService.GetBindingPerProjectFile(location);
 			IProject newProject;
-			if (!File.Exists(location)) {
+			if (!(binding != null && binding.HandlingMissingProject) && !File.Exists(location)) {
 				newProject = new MissingProject(location, title);
 				newProject.TypeGuid = loadInformation.TypeGuid;
 			} else {
-				IProjectBinding binding = ProjectBindingService.GetBindingPerProjectFile(location);
 				if (binding != null) {
 					try {
 						newProject = binding.LoadProject(loadInformation);