fixed support for older unity

Meragon · Meragon · commit 4e7d6495d754 · 2020-02-02T18:44:00.000+03:00
diff --git a/System/Windows/Forms/Application.cs b/System/Windows/Forms/Application.cs
@@ -360,7 +360,8 @@ internal void OnLostFocus()
                 hoveredControl.RaiseOnLostFocus(EventArgs.Empty);
             }
             
-            LostFocus?.Invoke(this, EventArgs.Empty);
+			if (LostFocus != null)
+            	LostFocus.Invoke(this, EventArgs.Empty);
         }
         internal static void StopDragDrop()
         {

Original file line number	Diff line number	Diff line change
`@@ -360,7 +360,8 @@ internal void OnLostFocus()`
`360`	`360`	`hoveredControl.RaiseOnLostFocus(EventArgs.Empty);`
`361`	`361`	`}`
`362`	`362`
`363`		`- LostFocus?.Invoke(this, EventArgs.Empty);`
	`363`	`+ if (LostFocus != null)`
	`364`	`+ LostFocus.Invoke(this, EventArgs.Empty);`
`364`	`365`	`}`
`365`	`366`	`internal static void StopDragDrop()`
`366`	`367`	`{`