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Determines whether a DiagramItem is in the collection.
Namespace:  Microsoft.VisualStudio.Modeling.Diagrams
Assembly:  Microsoft.VisualStudio.Modeling.Sdk.Diagrams.12.0 (in Microsoft.VisualStudio.Modeling.Sdk.Diagrams.12.0.dll)
Syntax
'Declaration
Public Overridable Function Contains ( _
    diagramItem As DiagramItem _
) As Boolean
public virtual bool Contains(
    DiagramItem diagramItem
)
public:
virtual bool Contains(
    DiagramItem^ diagramItem
)
abstract Contains : 
        diagramItem:DiagramItem -> bool  
override Contains : 
        diagramItem:DiagramItem -> bool
public function Contains(
    diagramItem : DiagramItem
) : boolean
Parameters
- diagramItem 
 Type: Microsoft.VisualStudio.Modeling.Diagrams.DiagramItem- The DiagramItem to search for. 
Return Value
Type: System.Boolean
true if DiagramItem is in the collection; otherwise, false.
.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.