BeginNavigateFromRootTo Method (GraphReference, AsyncCallback, Object)
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Begins to asynchronously resolve a symbolic node reference, using global navigation scope.
Namespace: System.Dataflow
Assembly: System.Dataflow (in System.Dataflow.dll)
Syntax
'Declaration
PublicFunctionBeginNavigateFromRootTo ( _
referenceAsGraphReference, _
callbackAsAsyncCallback, _
asyncStateAsObject _
) AsIAsyncResult
'Usage
DiminstanceAsNodeDimreferenceAsGraphReferenceDimcallbackAsAsyncCallbackDimasyncStateAsObjectDimreturnValueAsIAsyncResultreturnValue = instance.BeginNavigateFromRootTo(reference, _
callback, asyncState)
publicIAsyncResultBeginNavigateFromRootTo(
GraphReferencereference,
AsyncCallbackcallback,
ObjectasyncState
)
public:
IAsyncResult^ BeginNavigateFromRootTo(
GraphReferencereference,
AsyncCallback^ callback,
Object^ asyncState
)
publicfunctionBeginNavigateFromRootTo(
reference : GraphReference,
callback : AsyncCallback,
asyncState : Object
) : IAsyncResult
Parameters
- reference
Type: System.Dataflow. . :: . .GraphReference
The symbolic node reference.
- callback
Type: System. . :: . .AsyncCallback
The callback method to be called when the asynchronous operaton is completed.
- asyncState
Type: System. . :: . .Object
Status information about the state of the asynchronous operation.
Return Value
Type: System. . :: . .IAsyncResult
The asynchronous result.
.NET Framework Security
- Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see https://msdn.microsoft.com/en-us/library/8skskf63(v=vs.85).