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version 3
Field (tableNum | fieldPtr{; fieldNum}) 
Number | Pointer
| Parameter | Type | Description | |
| tableNum | fieldPtr | Number | Pointer | | Table number or Field pointer |
| fieldNum | Number | | Field number, if Table number is passed |
| Function result | Number | Pointer |  | Field number, if Field pointer is passed |
| Field pointer, if Table and Field numbers | |||
| are passed |
Description
The Field command has two forms:
• If you pass a table number in tableNum and a field number in fieldNum, Field returns a pointer to the field.
• If you pass a field pointer in fieldPtr, Field returns the field number of the field.
Examples
1. The following example sets the fieldPtr variable to a pointer to the second field in the third table:
FieldPtr:=Field(3; 2)
2. Passing fieldPtr (a pointer to the second field of a table) to Field returns the number 2. The following line sets FieldNum to 2:
FieldNum:=Field(FieldPtr)
3. The following example sets the FieldNum variable to the field number of [Table3]Field2:
FieldNum:=Field(->[Table3]Field2)
See Also
Field name, GET FIELD PROPERTIES, Get last field number, Table.
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