Docs 1.6

Accidentally uploaded outdated 1.6 docs

docs/docs1_6/objects/Progressbar/setBackgroundSymbol.md

@@ -0,0 +1,19 @@
+## setBackgroundSymbol
+This will change the background symbol (default is " " - space)
+
+#### Parameters: 
+1. `char` the background symbol
+
+#### Returns:
+1. `object` The object in use
+
+#### Usage:
+* Creates a progressbar and sets the progressbar background symbol to X
+```lua
+local mainFrame = basalt.createFrame()
+local aProgressbar = mainFrame:addProgressbar()
+aProgressbar:setBackgroundSymbol("X")
+```
+```xml
+<progressbar backgroundSymbol="X" />
+```