DF_FILE_NUMBER

Description

The number that is used as a handle for an opened table.

Level

Table

Supported by

All Drivers

Type

Numeric, temporary

Access

Read / Write

Values

1 .. 4095

Remarks

The number that is used as a handle for an opened table. The table must be opened for this attribute to have a value. This attribute can be used to find the original table handle of a table that is being restructured.

Example

Procedure ShowOriginalHandle
    Handle hTable
    Handle hOriginal

    Open Customer Mode DF_EXCLUSIVE
    Move Customer.File_Number To hTable
    Structure_Start hTable
    Get_Attribute DF_FILE_NUMBER Of hTable To hOriginal
    Showln "Handle, number: " hTable ", " hOriginal
    Structure_Abort hTable
    Close Customer.File_Number
End_Procedure // ShowOriginalHandle

The sample procedure above shows the handle to the customer table being restructured and its original handle.