fix: Warning CA1417: Do not use the 'OutAttribute' for string parameter

Author: twpol

Source/ORTS.Settings/InputSettings.cs

@@ -147,7 +147,7 @@ enum MapVirtualKeyType
         static extern int MapVirtualKey(int code, MapVirtualKeyType type);
 
         [DllImport("user32.dll", CharSet = CharSet.Unicode)]
-        static extern int GetKeyNameText(int scanCode, [Out] string name, int nameLength);
+        static extern int GetKeyNameText(int scanCode, [Out] char[] name, int nameLength);
         #endregion
 
         // Keyboard scancodes are basically constant; some keyboards have extra buttons (e.g. UK ones tend to have an
@@ -653,9 +653,9 @@ public static Keys GetScanCodeKeys(int scanCode)
         public static string GetScanCodeKeyName(int scanCode)
         {
             var xnaName = Enum.GetName(typeof(Keys), GetScanCodeKeys(scanCode));
-            var keyName = new String('\0', 32);
-            var keyNameLength = GetKeyNameText(scanCode << 16, keyName, keyName.Length);
-            keyName = keyName.Substring(0, keyNameLength);
+            var keyNameBuffer = new char[32];
+            var keyNameLength = GetKeyNameText(scanCode << 16, keyNameBuffer, keyNameBuffer.Length);
+            var keyName = new string(keyNameBuffer, 0, keyNameLength);
 
             if (keyName.Length > 0)
             {