DbfLogicColumn Class

Initializes a new instance of the DbfLogicColumn class

Can the field be sorted?

Dynamic property for the Caption. Read from the VFP properties collection.

Dynamic property for the ColumnName. Read from the VFP properties collection.

Dynamic property for the DefaultValue. Read from the VFP properties collection.

Dynamic property for the Description. Read from the VFP properties collection.

FieldType as a string

Field type as 1 character string.

Dynamic property for the Format. Read from the VFP properties collection.

Does the field have properties.

Dynamic property for the InputMask. Read from the VFP properties collection.

Is it an autoincrement ?

Is it binary ?

Is it a compressed field (not implemented yet) ?

Is it an encryped field (not implemented yet)?

Is it a memo ?

Is it nullable ?

Is it a standard Dbase 3 field (CDLMN) ?

Is it a unicode text ?

Dynamic property for the IsUnique. Read from the VFP properties collection.

Is it a variable length field ?

Is it a VFP extended field ?

Dynamic property for the PrimaryKey. Read from the VFP properties collection.

Dynamic list of optional properties, such as Caption, Description.

Dynamic property for the RuleExpression. Read from the VFP properties collection.

Dynamic property for the RuleText. Read from the VFP properties collection.

Return the blank (non null) value of the column.

Clone a RddFieldInfo object.

Copy values from one object to another.

Get the default "empty" value, as you would get at EOF

Get the value from the buffer

Handle NULL values.

Initialize the buffer used for appends. Gets called once when a DBF is opened.

Update the buffer after appending. For example for AutoIncrement or TimeStamp columns.

Write the value to the buffer

Check if two fields match in type, length and decimals.

Validate combinations of type, length and decimals.

Alternative name, no length limit. This is the Caption for VFP fields

Decimal positions

Field Type

Flags, such as Nullable, AutoIncrement, Binary etc.

Physical length in the table

Name, normally max 10 characters

Next key for autoincrement columns.

Offset in the record buffer for DBF fields.

1 based Ordinal position in the RDD.

Step value for autoincrement columns.