CodeFunction.IsOverloaded 屬性

發行項
08/12/2011

取得一個函式是否為多載。

命名空間： EnvDTE
組件： EnvDTE (在 EnvDTE.dll 中)

語法

'宣告
ReadOnly Property IsOverloaded As Boolean
    Get

bool IsOverloaded { get; }

property bool IsOverloaded {
    bool get ();
}

abstract IsOverloaded : bool

function get IsOverloaded () : boolean

屬性值

型別：System.Boolean
布林值，如果函式為多載則為 true，否則為 false。

備註

注意事項
在特定類型的編輯之後，程式碼模型項目 (例如類別、結構、函式、屬性、委派等) 的值可能不具決定性，表示其值不一定維持相同。如需詳細資訊，請參閱使用程式碼模型探索程式碼 (Visual Basic) 的＜程式碼模型項目值可以變更＞一節。

範例

 Sub IsOverloadedExample(ByVal dte As DTE2)

    ' Before running this example, open a code document from a project
    ' and place the insertion point inside a function.
    Try
        ' Retrieve the CodeFunction at the insertion point.
        Dim sel As TextSelection = _
            CType(dte.ActiveDocument.Selection, TextSelection)
        Dim fun As CodeFunction = _
            CType(sel.ActivePoint.CodeElement( _
            vsCMElement.vsCMElementFunction), CodeFunction)

        Dim ovrloads As String
        If fun.IsOverloaded Then
            ' Display all the overloads.
            Dim ovrload As CodeFunction
            For Each ovrload In fun.Overloads
                ovrloads &= _
                    ovrload.Prototype( _
                    vsCMPrototype.vsCMPrototypeParamNames Or _
                    vsCMPrototype.vsCMPrototypeParamTypes Or _
                    vsCMPrototype.vsCMPrototypeType) & vbCrLf
            Next
            MsgBox(fun.Name & " has the following overloads:" & _
                vbCrLf & vbCrLf & ovrloads)
        Else
            MsgBox(fun.Name & " isn't overloaded.")
        End If
    Catch ex As Exception
        MsgBox(ex.Message)
    End Try

End Sub

 public void IsOverloadedExample(DTE2 dte)
{
    // Before running this example, open a code document from a project
    // and place the insertion point inside a function.
    try
    {
        // Retrieve the CodeFunction at the insertion point.
        TextSelection sel = 
            (TextSelection)dte.ActiveDocument.Selection;
        CodeFunction fun = 
            (CodeFunction)sel.ActivePoint.get_CodeElement(
            vsCMElement.vsCMElementFunction);
        string ovrloads = "";

        if (fun.IsOverloaded)
        {
            // Display all the overloads.
            foreach (CodeFunction ovrload in fun.Overloads)
                ovrloads += 
                    ovrload.get_Prototype(
                    (int)(vsCMPrototype.vsCMPrototypeParamNames | 
                    vsCMPrototype.vsCMPrototypeParamTypes | 
                    vsCMPrototype.vsCMPrototypeType)) + "\n";

            MessageBox.Show(fun.Name + 
                " has the following overloads:\n\n" + ovrloads);
        }
        else
        {
            MessageBox.Show(fun.Name + " isn't overloaded.");
        }
    }
    catch (Exception ex)
    {
        MessageBox.Show(ex.Message);
    }
}