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DBFDBT Class

X#
DBFDBT RDD. For DBF/DBT. No index support at this level
Inheritance Hierarchy
Object
  Workarea
    DBF
      DBFDBT
        DBFNTX

Namespace:  XSharp.RDD
Assembly:  XSharp.Rdd (in XSharp.Rdd.dll) Version: 2.21
Syntax
 CLASS DBFDBT INHERIT DBF,  IMPLEMENTS IRawData
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The DBFDBT type exposes the following members.

Constructors
  NameDescription
Public methodDBFDBT
Initializes a new instance of the DBFDBT class
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Properties
  NameDescription
Public propertyAlias
Retrieve the alias name.
(Inherited from Workarea.)
Public propertyArea
Retrieve the Workarea number.
(Inherited from Workarea.)
Public propertyBoF
Is the table at the logical beginning-of-file.
(Inherited from DBF.)
Public propertyBottom
Is at bottom ?
(Inherited from Workarea.)
Public propertyClosed
Has the workarea been closed.
(Inherited from Workarea.)
Public propertyDeleted
Is the current row deleted?
(Inherited from DBF.)
Public propertyDriver (Overrides Driver.)
Public propertyEoF
Is the table at the logical end-of-file.
(Inherited from DBF.)
Public propertyExclusive
Is the Workarea opened Exclusively
(Inherited from Workarea.)
Public propertyFieldCount
The # of fields in the current Workarea.
(Inherited from DBF.)
Public propertyFileName
File name of the main file
(Inherited from Workarea.)
Public propertyFilterInfo
Current Filter
(Inherited from Workarea.)
Public propertyFilterText
The filter condition as a string.
(Inherited from Workarea.)
Public propertyFound (Inherited from DBF.)
Public propertyHasProperties
Does the workarea have properties.
(Inherited from Workarea.)
Public propertyHasRelations
Does the workarea have relations.
(Inherited from Workarea.)
Public propertyIsHot
Is the current row
(Inherited from DBF.)
Public propertyIsNewRecord
Is the current row a new record (the result of Append())
(Inherited from DBF.)
Public propertyMemo
Current memo implementation.
(Inherited from Workarea.)
Public propertyNullColumn (Inherited from DBF.)
Public propertyOrderCondInfo
Current Order condition
(Inherited from Workarea.)
Public propertyProperties (Inherited from Workarea.)
Public propertyReadOnly
Is the file opened ReadOnly ?
(Inherited from Workarea.)
Public propertyRecCount
The number of rows.
(Inherited from DBF.)
Public propertyRecId
The row identifier at the current cursor position.
(Inherited from Workarea.)
Public propertyRecNo
The physical row identifier at the current cursor position.
(Inherited from DBF.)
Public propertyRecordBuffer
Current Record
(Inherited from Workarea.)
Public propertyReturnRawData
Public propertyShared
Is the current Workarea opened Shared?
(Inherited from Workarea.)
Public propertyTop
Is at top?
(Inherited from Workarea.)
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Methods
  NameDescription
Public method_getMemoBlockNumber (Inherited from DBF.)
Public methodAddField
Add a Field to the _Fields List. Fields are added in the order of method call
(Inherited from DBF.)
Public methodAppend
Append a blank row and position the cursor to the new row.
(Inherited from DBF.)
Public methodAppendLock
Add a newly appended row to the list of locked rows.
(Inherited from DBF.)
Public methodBlobInfo
Retrieve information about a memo column.
(Inherited from DBF.)
Public methodChildEnd
Report the initialization of a relation.
(Inherited from DBF.)
Public methodChildStart
Report the initialization of a relation.
(Inherited from DBF.)
Public methodChildSync
Post a pending relational movement, indicating that the specified child work area has been affected by a parental movement.
(Inherited from DBF.)
Public methodClearFilter
Clear the active filter condition.
(Inherited from DBF.)
Public methodClearRel
Clear relations.
(Inherited from DBF.)
Public methodClearScope
Clear the active locate condition.
(Inherited from DBF.)
Public methodClose
Close a table.
(Inherited from DBF.)
Public methodCloseMemFile
Close the memo file
(Inherited from DBF.)
Public methodCompile
Compile an expression.
(Inherited from DBF.)
Public methodContinue
Goto the next record based on the corrent locate condition.
(Inherited from DBF.)
Public methodCreate (Inherited from DBF.)
Public methodCreateFields
Add columns defined in an array.
(Inherited from Workarea.)
Public methodCreateMemFile
Create the memo file
(Inherited from DBF.)
Public methodDbEval
Evaluate a code block for each row.
(Inherited from DBF.)
Public methodDelete
Mark the row at the current cursor position for deletion.
(Inherited from DBF.)
Public methodDispose (Inherited from Workarea.)
Public methodDispose(Logic) (Inherited from Workarea.)
Public methodEvalBlock
Evaluate a code block.
(Inherited from DBF.)
Public methodEvalFilter (Inherited from DBF.)
Public methodFieldIndex
Return the ONE based field index for a field name.
(Inherited from DBF.)
Public methodFieldInfo
Retrieve and optionally change information about a column.
(Inherited from DBF.)
Public methodFieldName
Retrieve a column name based on its ONE based column number.
(Inherited from DBF.)
Public methodFlush
Flush the changes to the table, its indexes and memo file.
(Inherited from DBF.)
Public methodForceRel
Force all pending relational seeks to be performed.
(Inherited from DBF.)
Public methodGetField
Return the (1 based) RddFieldInfo object for the specified field
(Inherited from Workarea.)
Public methodGetRec
Retrieve the RDD's record buffer as array of bytes.
(Inherited from DBF.)
Public methodGetScope
Retrieve the active locate condition.
(Inherited from DBF.)
Public methodGetValue (Overrides GetValue(Long).)
Public methodGetValueFile
Get the value for a column and write (export) it to an external file.
(Inherited from DBF.)
Public methodGetValueLength
Get the length of the for the specified column.
(Inherited from DBF.)
Public methodGoBottom
Position the cursor to the last logical row.
(Inherited from DBF.)
Public methodGoCold
Write the contents of a work area's memory to the data store (usually a disk).
(Inherited from DBF.)
Public methodGoHot
Mark a data buffer as hot, indicating that it needs to be written to the data store.
(Inherited from DBF.)
Public methodGoTo
Position the cursor to a specific, physical row.
(Inherited from DBF.)
Public methodGoToId
Position the cursor to a specific, physical identity.
(Inherited from DBF.)
Public methodGoTop
Position the cursor to the first logical row.
(Inherited from DBF.)
Public methodHeaderLock
Lock or unlock the header of a database file.
(Inherited from DBF.)
Public methodInfo
Retrieve and optionally change information about a work area.
(Overrides Info(Long, Object).)
Public methodLock
Perform a lock.
(Inherited from DBF.)
Public methodOpen
Open a table.
(Inherited from DBF.)
Public methodOpenMemFile
Open the memo file
(Inherited from DBF.)
Public methodOrderCondition
Set the condition for the next Index Creation
(Inherited from DBF.)
Public methodOrderCreate
Create a new index or tag.
(Inherited from DBF.)
Public methodOrderDestroy
Delete an index or tag.
(Inherited from DBF.)
Public methodOrderInfo
Retrieve information about an index.
(Inherited from DBF.)
Public methodOrderListAdd
Open an index file and add to the list of open indexes for the current Workarea.
(Inherited from DBF.)
Public methodOrderListDelete
Close an index file and remove it from the list of open indexes for the current Workarea.
(Inherited from DBF.)
Public methodOrderListFocus
Set focus to another index in the list open indexes for the current Workarea.
(Inherited from DBF.)
Public methodOrderListRebuild
Rebuild all indexes for the current Workarea.
(Inherited from DBF.)
Public methodPack
Physically remove rows marked for deletion.
(Inherited from DBF.)
Public methodPutRec
Replace the row at the current cursor position with the contents of a byte array.
(Inherited from DBF.)
Public methodPutValue
Write a value for a specified column
(Inherited from DBF.)
Public methodPutValueFile
Read (Import) a value from an external file and write it to the specified column.
(Inherited from DBF.)
Public methodRecall
Remove the deletion marker from the row at the current cursor position.
(Inherited from DBF.)
Public methodRecInfo
Retrieve and optionally change information about a row.
(Inherited from DBF.)
Public methodRefresh
Discard all changes to the current record and reread the buffer from disk. When the current buffer is in Append mode then the server will move to the bottom of the file.
(Inherited from DBF.)
Public methodRelArea
Retrieve the logical number of a related work area.
(Inherited from DBF.)
Public methodRelEval
Evaluate a code block against the relation in a work area.
(Inherited from DBF.)
Public methodRelText
Retrieve the key expression of a relation.
(Inherited from DBF.)
Public methodSeek
Perform a seek operation on the current selected index for the current Workarea.
(Inherited from DBF.)
Public methodSetFieldExtent
Set the Number of Fields the AddField Method will add.
(Inherited from DBF.)
Public methodSetFilter
Set the filter condition.
(Inherited from DBF.)
Public methodSetRel
Set a relation.
(Inherited from DBF.)
Public methodSetScope
Set the locate condition.
(Inherited from DBF.)
Public methodSkip
Position the cursor relative to its current position.
(Inherited from DBF.)
Public methodSkipFilter
Position the cursor, respecting scope and filter conditions.
(Inherited from DBF.)
Public methodSkipRaw
Position the cursor regardless of scope and filter conditions.
(Inherited from DBF.)
Public methodSkipScope
Position the cursor relative to its current position within the current scope.
(Inherited from DBF.)
Public methodSort
Physically reorder a table.
(Inherited from DBF.)
Public methodSyncChildren
Force relational movement in child work areas to synchronize them with the parent work area.
(Inherited from DBF.)
Public methodTrans
Copy one or more rows from one work area to another.
(Inherited from DBF.)
Public methodTransRec
Copy a single row from one work area to another.
(Inherited from DBF.)
Public methodUnLock
Release locks.
(Inherited from DBF.)
Public methodZap
Physically remove all rows from a table.
(Inherited from DBF.)
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Fields
  NameDescription
Public field_Fields
List of Fields
(Inherited from Workarea.)
Public fieldRLHitCount (Inherited from DBF.)
Public fieldRLMissCount (Inherited from DBF.)
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See Also