ModelItemDictionary.Item Property (Object)

Article
06/23/2009

[This documentation is for preview only, and is subject to change in later releases. Blank topics are included as placeholders.]

Gets or sets the item at the specified key.

Namespace: System.Activities.Design.Model
Assembly: System.Activities.Design.Base (in System.Activities.Design.Base.dll)

Syntax

'Declaration
Public MustOverride Property Item ( _
    key As Object _
) As ModelItem
    Get
    Set
'Usage
Dim instance As ModelItemDictionary
Dim key As Object
Dim value As ModelItem

value = instance.Item(key)

instance.Item(key) = value

public abstract ModelItem this[
    Object key
] { get; set; }

public:
virtual property ModelItem^ Item[Object^ key] {
    ModelItem^ get (Object^ key) abstract;
    void set (Object^ key, ModelItem^ value) abstract;
}

JScript does not support indexed properties.

abstract Item : ModelItem with get, set

Parameters

key
Type: System.Object
The specified key of the item.

Property Value

Type: System.Activities.Design.Model.ModelItem
Returns ModelItem.

Exceptions

Exception	Condition
ArgumentNullException	If key or the value is nulla null reference (Nothing in Visual Basic).
InvalidOperationException	If the dictionary is read-only and you set a new value.
KeyNotFoundException	If key is not in the dictionary.

Remarks

If there is no item for the given key, this method returns 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

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