Fixed, Thig Edit Form, UDMF: Scale x/y linking status was not stored when closing the form.

Fixed, Engine Launcher: "%AP" test parameters placeholder was replaced with "" when current map was newly created and never saved.

Source/Core/GZBuilder/Controls/PairedFloatControl.cs

@@ -30,6 +30,7 @@ namespace CodeImp.DoomBuilder.GZBuilder.Controls
 		public float ButtonStepBig { get { return value1.ButtonStepBig; } set { value1.ButtonStepBig = value; value2.ButtonStepBig = value; } }
 		public float ButtonStepSmall { get { return value1.ButtonStepSmall; } set { value1.ButtonStepSmall = value; value2.ButtonStepSmall = value; } }
 		public bool ButtonStepsUseModifierKeys { get { return value1.ButtonStepsUseModifierKeys; } set { value1.ButtonStepsUseModifierKeys = value; value2.ButtonStepsUseModifierKeys = value; } }
+		public bool LinkValues { get { return linkValues; } set { linkValues = value; bLink.Image = (linkValues ? Resources.Link : Resources.Unlink); } }
 
         #endregion
         

Source/Core/General/Launcher.cs

@@ -128,7 +128,7 @@ namespace CodeImp.DoomBuilder
 			DataLocationList locations = new DataLocationList();
 			locations.AddRange(General.Map.ConfigSettings.Resources);
 			locations.AddRange(General.Map.Options.Resources);
-			locations.Add(maplocation);
+			if(!string.IsNullOrEmpty(maplocation.location)) locations.Add(maplocation); //mxd. maplocation.location will be empty when a newly created map was not saved yet.
 			
 			// Go for all data locations
 			foreach(DataLocation dl in locations)

Source/Core/Windows/ThingEditFormUDMF.cs

@@ -60,6 +60,9 @@ namespace CodeImp.DoomBuilder.Windows
 		private static Point location = Point.Empty;
 		private static int activetab;
 
+		//mxd. Persistent settings
+		private static bool linkscale;
+
 		private struct ThingProperties //mxd
 		{
 			//public readonly int Type;
@@ -154,6 +157,9 @@ namespace CodeImp.DoomBuilder.Windows
 				posZ.AllowDecimal = true;
 			}
 
+			// Value linking
+			scale.LinkValues = linkscale;
+
 			// Setup types list
 			thingtype.Setup();
 		}
@@ -677,6 +683,9 @@ namespace CodeImp.DoomBuilder.Windows
 			General.Settings.DefaultThingAngle = Angle2D.DegToRad((float)angle.GetResult((int)Angle2D.RadToDeg(General.Settings.DefaultThingAngle) - 90) + 90);
 			General.Settings.SetDefaultThingFlags(defaultflags);
 
+			// Store value linking
+			linkscale = scale.LinkValues;
+
 			// Done
 			General.Map.IsChanged = true;
 			if(OnValuesChanged != null) OnValuesChanged(this, EventArgs.Empty); //mxd