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--- built_in:layouts [2016/12/24 11:21]
37.205.112.64 [Visibility]
+++ built_in:layouts [2016/12/24 11:22]
37.205.117.38 [Backgrounds]
@@ Line 156: / Line 156: @@
 Using Linear layouts and setting margins on child objects is usually the best way to position your App's graphical objects.
-=====Backgrounds=====
+=====Visibility=====
-The background of a layout will be transparent by default, but you can set a color using the **SetBackColor** function.
+The visibility of both layouts and child objects can be controlled using the **SetVisibility** function. Use the values **"Show"** or **"Hide"** to make objects invisible or visible and **"Gone"** to exclude the object from the layout completely (surrounding objects will re-arrange).
-<code> lay.SetBackColor( colorCode );</code>
+<code> obj.SetVisibility( mode );</code>
-Colors are given as hex **color codes** which can be copied from various graphics programs or simply exprimented with until you get the color you want. The format is (#alpha:red:green:blue) where each value can range from 0 to 255 in base 16 which is 00 to ff.\\
-For example "#ff00ff00" would be full strength green and "#ff000088" would be around half strength blue and "#44ff00ff" would be semi-transparent full strength purple.\\
+----
-You can also use a gradient background for a layout using the **SetBackGradient** and **SetBackGradientRadial** functions.
-<code> lay.SetBackGradient( colorCode1, colorCode2 );</code>
-<code> lay.SetBackGradientRadial( x, y, radius, colorCode1, colorCode2 );</code>
-Jhuh
 ===== Methods =====
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