ADSRDD 方法 |
ADSRDD 类型公开以下成员。
名称 | 说明 | |
---|---|---|
_getMemoBlockNumber | (继承自 Workarea。) | |
AddField | (重写 AddField(RddFieldInfo).) | |
Append | Append a blank row and position the cursor to the new row. (重写 Append(Boolean).) | |
AppendLock | This method is not supported by the AdsRDD class (重写 AppendLock(DbLockMode).) | |
BlobInfo | This method is not supported by the AdsRDD class (重写 BlobInfo(UInt32, UInt32).) | |
ChildEnd | Report the initialization of a relation. (继承自 Workarea。) | |
ChildStart | Report the initialization of a relation. (继承自 Workarea。) | |
ChildSync | Post a pending relational movement, indicating that the specified child work area has been affected by a parental movement. (继承自 Workarea。) | |
ClearFilter | Clear the active filter condition. (重写 ClearFilter.) | |
ClearRel | Clear relations. (重写 ClearRel.) | |
ClearScope | Clear the active locate condition. (继承自 Workarea。) | |
Close | Close a table. (重写 Close.) | |
CloseMemFile | Close the memo file (继承自 Workarea。) | |
Compile | Compile an expression. (继承自 Workarea。) | |
Continue | Goto the next record based on the corrent locate condition. (继承自 Workarea。) | |
Create | Create a table. (重写 Create(DbOpenInfo).) | |
CreateFields | Add columns defined in an array. (继承自 Workarea。) | |
CreateMemFile | Create the memo file (继承自 Workarea。) | |
DbEval | Evaluate a code block for each row. (继承自 Workarea。) | |
Delete | (重写 Delete.) | |
Dispose | (继承自 Workarea。) | |
Dispose(Boolean) | (继承自 Workarea。) | |
EvalBlock | Evaluate a code block. (继承自 Workarea。) | |
EvalFilter | (继承自 Workarea。) | |
FieldIndex | Return the ONE based field index for a field name. (继承自 Workarea。) | |
FieldInfo | Retrieve and optionally change information about a column. (重写 FieldInfo(Int32, Int32, Object).) | |
FieldName | Retrieve a column name based on its ONE based column number. (继承自 Workarea。) | |
Flush | Flush the changes to the table, its indexes and memo file. (重写 Flush.) | |
ForceRel | This method is not supported by the AdsRDD class (重写 ForceRel.) | |
GetField |
Return the (1 based) RddFieldInfo object for the specified field
(继承自 Workarea。) | |
GetRec | This method is not supported by the AdsRDD class (重写 GetRec.) | |
GetScope | Retrieve the active locate condition. (继承自 Workarea。) | |
GetValue | (重写 GetValue(Int32).) | |
GetValueFile | This method is not supported by the AdsRDD class (重写 GetValueFile(Int32, String).) | |
GetValueLength | Get the length of the for the specified column. (继承自 Workarea。) | |
GoBottom | Position the cursor to the last logical row. (重写 GoBottom.) | |
GoCold | Write the contents of a work area's memory to the data store (usually a disk). (重写 GoCold.) | |
GoHot | Mark a data buffer as hot, indicating that it needs to be written to the data store. (重写 GoHot.) | |
GoTo | Position the cursor to a specific, physical row. (重写 GoTo(Int32).) | |
GoToId | Position the cursor to a specific, physical identity. (重写 GoToId(Object).) | |
GoTop | Position the cursor to the first logical row. (重写 GoTop.) | |
HeaderLock | This method is not supported by the AdsRDD class (重写 HeaderLock(DbLockMode).) | |
Info | Retrieve and optionally change information about a work area. (重写 Info(Int32, Object).) | |
Lock | Perform a lock. (重写 Lock(DbLockInfo).) | |
Open | Open a table. (重写 Open(DbOpenInfo).) | |
OpenMemFile | Open the memo file (继承自 Workarea。) | |
OrderCondition | Set the condition for the next Index Creation (继承自 Workarea。) | |
OrderCreate | Create a new index or tag. (继承自 Workarea。) | |
OrderDestroy | Delete an index or tag. (继承自 Workarea。) | |
OrderInfo | Retrieve information about an index. (继承自 Workarea。) | |
OrderListAdd | Open an index file and add to the list of open indexes for the current Workarea. (继承自 Workarea。) | |
OrderListDelete | Close an index file and remove it from the list of open indexes for the current Workarea. (继承自 Workarea。) | |
OrderListFocus | Set focus to another index in the list open indexes for the current Workarea. (继承自 Workarea。) | |
OrderListRebuild | Rebuild all indexes for the current Workarea. (继承自 Workarea。) | |
Pack | (重写 Pack.) | |
PutRec | This method is not supported by the AdsRDD class (重写 PutRec(Byte).) | |
PutValue | (重写 PutValue(Int32, Object).) | |
PutValueFile | This method is not supported by the AdsRDD class (重写 PutValueFile(Int32, String).) | |
Recall | (重写 Recall.) | |
RecInfo | (重写 RecInfo(Int32, Object, Object).) | |
RecordMovement | ||
Refresh | 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. (重写 Refresh.) | |
RelArea | Retrieve the logical number of a related work area. (继承自 Workarea。) | |
RelEval | Evaluate a code block against the relation in a work area. (继承自 Workarea。) | |
RelText | Retrieve the key expression of a relation. (继承自 Workarea。) | |
Seek | Perform a seek operation on the current selected index for the current Workarea. (继承自 Workarea。) | |
SetFieldExtent | (重写 SetFieldExtent(Int32).) | |
SetFilter | Set the filter condition. (重写 SetFilter(DbFilterInfo).) | |
SetRel | Set a relation. (重写 SetRel(DbRelInfo).) | |
SetScope | Set the locate condition. (继承自 Workarea。) | |
Skip | Position the cursor relative to its current position. (重写 Skip(Int32).) | |
SkipFilter | Position the cursor, respecting scope and filter conditions. (重写 SkipFilter(Int32).) | |
SkipRaw | Position the cursor regardless of scope and filter conditions. (重写 SkipRaw(Int32).) | |
SkipScope | Position the cursor relative to its current position within the current scope. (继承自 Workarea。) | |
Sort | This method is not supported by the AdsRDD class (重写 Sort(DbSortInfo).) | |
SyncChildren | Force relational movement in child work areas to synchronize them with the parent work area. (继承自 Workarea。) | |
Trans | Copy one or more rows from one work area to another. (重写 Trans(DbTransInfo).) | |
TransRec | Copy a single row from one work area to another. (重写 TransRec(DbTransInfo).) | |
UnLock | Release locks. (重写 UnLock(Object).) | |
Zap | Physically remove all rows from a table. (重写 Zap.) |