PlayerSettings.defaultIsFullScreen

Description

If enabled, the game will default to fullscreen mode.

The Windowed checkbox on the Resolution Dialog will be disabled by default when this setting is enabled.
Custom player settings.

	// Simple Script that saves and loads custom
	// Stand-alone/Web player screen settings among
	// Unity Projects

	class CustomSettings extends EditorWindow {

		var compName : String = "";
		var prodName : String = "";
		var screenWidth : int = 640;
		var screenHeight : int = 480;
		var webScreenWidth : int = 640;
		var webScreenHeight : int = 480;
		var fullScreen : boolean = false;

		@MenuItem("Examples/Custom Settings")
		static function Init() {
			var window = GetWindow(CustomSettings);
			window.Show();
		}

		function OnGUI() {
			compName = EditorGUILayout.TextField("Company Name:", compName);
			prodName = EditorGUILayout.TextField("Product Name:", prodName);
			EditorGUILayout.BeginHorizontal();
				screenWidth = EditorGUILayout.IntField("Width:", screenWidth);
				screenHeight = EditorGUILayout.IntField("Web Height:", screenHeight);
			EditorGUILayout.EndHorizontal();
			EditorGUILayout.Space();
			EditorGUILayout.BeginHorizontal();
				webScreenWidth = EditorGUILayout.IntField("Web Width:", webScreenWidth);
				webScreenHeight = EditorGUILayout.IntField("Web Height:", webScreenHeight);
			EditorGUILayout.EndHorizontal();
			fullScreen = EditorGUILayout.Toggle("Full Screen:",fullScreen);
			EditorGUILayout.BeginHorizontal();
				if(GUILayout.Button("Save Values"))
					SaveSettings();
				if(GUILayout.Button("Load Values"))
					LoadSettings();
			EditorGUILayout.EndHorizontal();
		}

		function SaveSettings() {
			PlayerSettings.companyName = compName;
			PlayerSettings.productName = prodName;
			PlayerSettings.defaultScreenWidth =  screenWidth;
			PlayerSettings.defaultScreenHeight = screenHeight;
			PlayerSettings.defaultWebScreenWidth = webScreenWidth;
			PlayerSettings.defaultWebScreenHeight = webScreenHeight;
			PlayerSettings.defaultIsFullScreen = fullScreen;

			EditorPrefs.SetString("CompName", compName);
			EditorPrefs.SetString("ProdName", prodName);
			EditorPrefs.SetInt("ScreenWidth", screenWidth);
			EditorPrefs.SetInt("ScreenHeight", screenHeight);
			EditorPrefs.SetInt("WebScreenWidth", webScreenWidth);
			EditorPrefs.SetInt("WebScreenHeight", webScreenHeight);
		}
		function LoadSettings() {
			compName = EditorPrefs.GetString("CompName","");
			prodName = EditorPrefs.GetString("ProdName","");
			screenWidth = EditorPrefs.GetInt("ScreenWidth", 640);
			screenHeight = EditorPrefs.GetInt("ScreenHeight",480);
			webScreenWidth = EditorPrefs.GetInt("WebScreenWidth",640);
			webScreenHeight = EditorPrefs.GetInt("WebScreenHeiht",480);
		}
	}