IsNullOrEmpty Method

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Namespace:  System.Dataflow
Assembly:  System.Dataflow (in System.Dataflow.dll)

Syntax

'Declaration
PublicSharedFunctionIsNullOrEmpty ( _
    labelAsLabel _
) AsBoolean
'Usage
DimlabelAsLabelDimreturnValueAsBooleanreturnValue = Label.IsNullOrEmpty(label)

publicstaticboolIsNullOrEmpty(
    Labellabel
)

public:
staticboolIsNullOrEmpty(
    Label^ label
)

publicstaticfunctionIsNullOrEmpty(
    label : Label
) : boolean

Parameters

• label
  Type: System.Dataflow. . :: . .Label

Return Value

Type: System. . :: . .Boolean

.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).

See Also

Reference

Label Class

Label Members

System.Dataflow Namespace