Checks if a variable or expression is a binary type.
IsBinary ( expression )
| expression | The variable or expression to check. | 
| Success: | 1. | 
| Failure: | 0 if expression is not binary type. | 
See language datatypes for a detailed description.
Binary, BinaryToString, IsArray, IsBool, IsFloat, IsHWnd, IsInt, IsMap, IsNumber, IsString, StringToBinary, VarGetType