X# Runtime and VO SDK Reference
X# Runtime and SDK Reference
XSharp.RDD Namespace
WrapperRDD Class
WrapperRDD Methods
WrapperRDD.AddField Method
WrapperRDD.Append Method
WrapperRDD.AppendLock Method
WrapperRDD.BlobInfo Method
WrapperRDD.ChildEnd Method
WrapperRDD.ChildStart Method
WrapperRDD.ChildSync Method
WrapperRDD.ClearFilter Method
WrapperRDD.ClearRel Method
WrapperRDD.ClearScope Method
WrapperRDD.Close Method
WrapperRDD.CloseMemFile Method
WrapperRDD.Compile Method
WrapperRDD.Continue Method
WrapperRDD.Create Method
WrapperRDD.CreateFields Method
WrapperRDD.CreateMemFile Method
WrapperRDD.DbEval Method
WrapperRDD.DebuggerDisplay Method
WrapperRDD.Delete Method
WrapperRDD.EvalBlock Method
WrapperRDD.FieldIndex Method
WrapperRDD.FieldInfo Method
WrapperRDD.FieldName Method
WrapperRDD.Flush Method
WrapperRDD.ForceRel Method
WrapperRDD.GetField Method
WrapperRDD.GetRec Method
WrapperRDD.GetScope Method
WrapperRDD.GetValue Method
WrapperRDD.GetValueFile Method
WrapperRDD.GetValueLength Method
WrapperRDD.GoBottom Method
WrapperRDD.GoCold Method
WrapperRDD.GoHot Method
WrapperRDD.GoTo Method
WrapperRDD.GoToId Method
WrapperRDD.GoTop Method
WrapperRDD.HeaderLock Method
WrapperRDD.Info Method
WrapperRDD.Lock Method
WrapperRDD.Open Method
WrapperRDD.OpenMemFile Method
WrapperRDD.OrderCondition Method
WrapperRDD.OrderCreate Method
WrapperRDD.OrderDestroy Method
WrapperRDD.OrderInfo Method
WrapperRDD.OrderListAdd Method
WrapperRDD.OrderListDelete Method
WrapperRDD.OrderListFocus Method
WrapperRDD.OrderListRebuild Method
WrapperRDD.Pack Method
WrapperRDD.PutRec Method
WrapperRDD.PutValue Method
WrapperRDD.PutValueFile Method
WrapperRDD.Recall Method
WrapperRDD.RecInfo Method
WrapperRDD.Refresh Method
WrapperRDD.RelArea Method
WrapperRDD.RelEval Method
WrapperRDD.RelText Method
WrapperRDD.Seek Method
WrapperRDD.SetFieldExtent Method
WrapperRDD.SetFilter Method
WrapperRDD.SetRel Method
WrapperRDD.SetScope Method
WrapperRDD.Skip Method
WrapperRDD.SkipFilter Method
WrapperRDD.SkipRaw Method
WrapperRDD.SkipScope Method
WrapperRDD.Sort Method
WrapperRDD.SyncChildren Method
WrapperRDD.Trans Method
WrapperRDD.TransRec Method
WrapperRDD.UnLock Method
WrapperRDD.Zap Method
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WrapperRDD.Lock Method

X#
Perform a lock.

Namespace:  XSharp.RDD
Assembly:  XSharp.Core (in XSharp.Core.dll) Version: 2.21
Syntax
Copy
 VIRTUAL METHOD Lock(
	uiMode REF DbLockInfo
) AS LOGIC
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Parameters

uiMode
Type: DbLockInfo
An object specifying the kind of lock to acquire.

Return Value

Type: Logic
TRUE when the operation succeeded or FALSE when the operation failed.
Some RDD operations do not really return FALSE but throw an exception to indicate failure.
These exceptions are caught in the higher level code and registered in the LastRddError property in the runtime state..

Implements

Lock(DbLockInfo)
See Also