4D v18
Field and Variable Types
- 4D Language Reference
-
- List of constant themes
-
- 4D Environment
- 4D Write Pro
- ASCII Codes
- Backup and Restore
- BLOB
- Cache Management
- Colors
- Communications
- Compression
- Data File Maintenance
- Database Engine
- Database Events
- Database Parameters
- Date Display Formats
- Days and Months
- Design Object Access
- Dictionaries
- Digest Type
- Euro Currencies
- Events (Modifiers)
- Events (What)
- Expressions
- Field and Variable Types
- File and Folder
- Find Window
- Font Styles
- Font Type List
- Form Area
- Form Events
- Form Object Types
- Form Objects (Access)
- Form Objects (Properties)
- Form Parameters
- Formulas
- Function Keys
- Graph Parameters
- Hierarchical Lists
- HTTP Client
- Index Type
- Is License Available
- ISO Latin Character Entities
- LDAP
- List Box
- Listbox Footer Calculation
- Log Events
- Math
- Menu Item Properties
- Multistyle Text
- Multistyle Text Attributes
- Objects and collections
- Open Form Window
- Open Window
- Pasteboard
- PHP
- Picture Compression
- Picture Display Formats
- Picture Metadata Names
- Picture Metadata Values
- Picture Transformation
- Platform Interface
- Platform Properties
- Print Options
- Process State
- Process Type
- QR Area Properties
- QR Borders
- QR Commands
- QR Document Properties
- QR Operators
- QR Output Destination
- QR Report Types
- QR Rows for Properties
- QR Text Properties
- Queries
- Relations
- Resources Properties
- SCREEN DEPTH
- SET RGB COLORS
- Shortcut and Associated Keys
- SQL
- Standard Action
- Standard System Signatures
- Strings
- System Documents
- System Folder
- System Format
- TCP Port Numbers
- Time Display Formats
- Trigger Events
- Value for Associated Standard Action
- Web Area
- Web Server
- Web Services (Client)
- Web Services (Server)
- Windows
- XML
4D v18
Field and Variable Types
Field and Variable Types
| Constant | Type | Value | Comment |
| _o_Is float | Longint | 35 | |
| Array 2D | Longint | 13 | |
| Blob array | Longint | 31 | |
| Boolean array | Longint | 22 | |
| Date array | Longint | 17 | |
| Integer array | Longint | 15 | |
| Is alpha field | Longint | 0 | |
| Is BLOB | Longint | 30 | |
| Is Boolean | Longint | 6 | |
| Is collection | Longint | 42 | |
| Is date | Longint | 4 | |
| Is integer | Longint | 8 | |
| Is integer 64 bits | Longint | 25 | |
| Is longint | Longint | 9 | |
| Is null | Longint | 255 | |
| Is object | Longint | 38 | |
| Is picture | Longint | 3 | |
| Is pointer | Longint | 23 | |
| Is real | Longint | 1 | |
| Is string var | Longint | 24 | |
| Is subtable | Longint | 7 | |
| Is text | Longint | 2 | |
| Is time | Longint | 11 | |
| Is undefined | Longint | 5 | |
| Is variant | Longint | 12 | |
| LongInt array | Longint | 16 | |
| Object array | Longint | 39 | |
| Picture array | Longint | 19 | |
| Pointer array | Longint | 20 | |
| Real array | Longint | 14 | |
| String array | Longint | 21 | |
| Text array | Longint | 18 | |
| Time array | Longint | 32 |
See also
GET FIELD PROPERTIES
JSON Parse
LISTBOX INSERT COLUMN FORMULA
OB Get
OB GET PROPERTY NAMES
OB Get type
SOAP DECLARATION
Type
Value type
VP SET ALLOWED METHODS
WA Evaluate JavaScript
PROPERTIES
Product: 4D
Theme: List of constant themes
HISTORY
Modified: 4D v14
Modified: 4D v16 R4
ARTICLE USAGE
4D Language Reference ( 4D v18)
© 1985-2020 4D SAS / 4D, Inc. All rights reserved.