EditorGUI.TextArea
static function TextArea(position: Rect, text: string, style: GUIStyle = EditorStyles.textField): string;
static string TextArea(Rect position, string text, GUIStyle style = EditorStyles.textField);
static def TextArea(position as Rect, text as string, style as GUIStyle = EditorStyles.textField) as string
Parameters

position Rectangle on the screen to use for the text field.
text The text to edit.
style Optional GUIStyle.
Returns
string The text entered by the user.
Description

Make a text area.

This works just like GUI.TextArea, but correctly responds to select all, copy, paste etc. in the editor.


Text Area in an Editor Window.
	// Create a window where you can have notes
	// This doesnt preserve the notes between sessions. 
	//
	// check EditorPrefs Get/SetString to save the notes.
		
	class EditorGUITextArea extends EditorWindow {
		
		var note : String = "Notes:\n->";
		
		@MenuItem("Examples/Notes")
		static function Init() {
			var window = GetWindow(EditorGUITextArea);
			window.Show();
		}
		
		function OnGUI() {
			note = EditorGUI.TextArea(Rect(3,3,position.width - 6, position.height - 35), note);
			if(GUI.Button(Rect(0, position.height - 30, position.width, 25), "Close"))
				this.Close();
		}	
	}