Fixed SD2-981 - Running SharpDevelop using nologo command line argument throws invalid operation exception.

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/trunk@1819 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/Main/StartUp/Project/Dialogs/SplashScreen.cs

@@ -26,9 +26,6 @@ namespace ICSharpCode.SharpDevelop
 		
 		public static SplashScreenForm SplashScreen {
 			get {
-				if (splashScreen == null) {
-					splashScreen = new SplashScreenForm();
-				}
 				return splashScreen;
 			}
 		}
@@ -57,6 +54,12 @@ namespace ICSharpCode.SharpDevelop
 			BackgroundImage = bitmap;
 		}
 		
+		public static void ShowSplashScreen()
+		{
+			splashScreen = new SplashScreenForm();
+			splashScreen.Show();
+		}
+		
 		protected override void Dispose(bool disposing)
 		{
 			if (disposing) {

src/Main/StartUp/Project/SharpDevelopMain.cs

@@ -91,7 +91,7 @@ namespace ICSharpCode.SharpDevelop
 			}
 			
 			if (!noLogo) {
-				SplashScreenForm.SplashScreen.Show();
+				SplashScreenForm.ShowSplashScreen();
 			}
 			try {
 				RunApplication();