The Text Control reference uses the following data types:
| Data Type | Description | |
| Byte | Is a one-byte value with the range 0 to 255. | |
| Boolean | Is a two-byte value that can be True or False. | |
| Date | 8 bytes representing a date and a time. | |
| Integer | Is a two-byte value with the range -32,768 to 32,767. | |
| Long | Is a four-byte value with the range -2,147,483,648 to 2,147,483,647 | |
| Handle | Is a four-byte value with the range 0 to 4,294,967,295. | |
| String | Is a length-prefixed string of unlimited size. | |
| Variant | Can be any of the previously explained data types, including arrays of these types. |