CodeFunction2.IsOverloaded 属性
定义
重要
一些信息与预发行产品相关，相应产品在发行之前可能会进行重大修改。 对于此处提供的信息，Microsoft 不作任何明示或暗示的担保。
获取是否可以重载函数。
public:
property bool IsOverloaded { bool get(); };public:
property bool IsOverloaded { bool get(); };[System.Runtime.InteropServices.DispId(39)]
public bool IsOverloaded { [System.Runtime.InteropServices.DispId(39)] get; }[<System.Runtime.InteropServices.DispId(39)>]
[<get: System.Runtime.InteropServices.DispId(39)>]
member this.IsOverloaded : boolPublic ReadOnly Property IsOverloaded As Boolean属性值
如果可以重载函数，则布尔值为 true；否则为 false。
实现
- 属性
示例
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);
}
}
注解
备注
在进行了某些类型的编辑之后，代码模型元素（例如类、结构、函数、特性、委托等）的值可能变为非确定性的，这意味着不能确定它们的值始终保持不变。