ContextItemManager.GetValue Method
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When overridden in a derived class, , returns an instance of the requested item type. If there is no context item with the given type, an empty item will be created.
Namespace: System.Activities.Design
Assembly: System.Activities.Design.Base (in System.Activities.Design.Base.dll)
Syntax
'Declaration
Public MustOverride Function GetValue ( _
itemType As Type _
) As ContextItem
'Usage
Dim instance As ContextItemManager
Dim itemType As Type
Dim returnValue As ContextItem
returnValue = instance.GetValue(itemType)
public abstract ContextItem GetValue(
Type itemType
)
public:
virtual ContextItem^ GetValue(
Type^ itemType
) abstract
public abstract function GetValue(
itemType : Type
) : ContextItem
abstract GetValue :
itemType:Type -> ContextItem
Parameters
- itemType
Type: System.Type
The type of item to return.
Return Value
Type: System.Activities.Design.ContextItem
Returns ContextItem, which contains a context item of the requested type. If there is no item in the context for this type, a default one is created.
Exceptions
| Exception | Condition |
|---|---|
| ArgumentNullException | itemType is nulla null reference (Nothing in Visual Basic). |
.NET Framework Security
- Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.
Platforms
Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008, Windows Server 2003
The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
Version Information
.NET Framework
Supported in: 4