What it does
VirtualButtonExists reads a value without changing anything. It takes index (an integer), and answers an integer.
Syntax
VirtualButtonExists(index integer) → integerParameters
| Name | Type |
|---|---|
| index | integer |
Every form returns
integer
Example · generated
DO Print(VirtualButtonExists(1)) Sync()LOOPVirtualButtonExists is called and its answer is printed every frame. The DO … LOOP is not decoration: a classic BASIC program ends the moment it runs out of lines, and Sync() is what draws the frame.