GraphNodeCollection.GetOrCreate 方法 (GraphNodeId, String, GraphCategory)

嘗試取得具有指定之 ID 的節點。如果找不到，將會建立新的節點。

命名空間： Microsoft.VisualStudio.GraphModel
組件： Microsoft.VisualStudio.GraphModel (在 Microsoft.VisualStudio.GraphModel.dll 中)

語法

'宣告
Public Function GetOrCreate ( _
    id As GraphNodeId, _
    label As String, _
    category As GraphCategory _
) As GraphNode

public GraphNode GetOrCreate(
    GraphNodeId id,
    string label,
    GraphCategory category
)

public:
GraphNode^ GetOrCreate(
    GraphNodeId^ id, 
    String^ label, 
    GraphCategory^ category
)

member GetOrCreate : 
        id:GraphNodeId * 
        label:string * 
        category:GraphCategory -> GraphNode

public function GetOrCreate(
    id : GraphNodeId, 
    label : String, 
    category : GraphCategory
) : GraphNode

例外狀況	條件
InvalidOperationException	擲回，如果具有相同 ID 的節點已存在，不過，一種不同節點型別