FileCodeModel.CodeElementFromPoint(TextPoint, vsCMElement) 方法

参考

定义

命名空间:: EnvDTE

程序集:: EnvDTE.dll

程序集:

重要

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返回源文件中指定位置处的代码元素。

public:
 EnvDTE::CodeElement ^ CodeElementFromPoint(EnvDTE::TextPoint ^ Point, EnvDTE::vsCMElement Scope);

public:
 EnvDTE::CodeElement ^ CodeElementFromPoint(EnvDTE::TextPoint ^ Point, EnvDTE::vsCMElement Scope);

EnvDTE::CodeElement CodeElementFromPoint(EnvDTE::TextPoint const & Point, EnvDTE::vsCMElement Scope);

[System.Runtime.InteropServices.DispId(5)]
public EnvDTE.CodeElement CodeElementFromPoint (EnvDTE.TextPoint Point, EnvDTE.vsCMElement Scope);

[<System.Runtime.InteropServices.DispId(5)>]
abstract member CodeElementFromPoint : EnvDTE.TextPoint * EnvDTE.vsCMElement -> EnvDTE.CodeElement

Public Function CodeElementFromPoint (Point As TextPoint, Scope As vsCMElement) As CodeElement

参数

Point: TextPoint

必需。一个 TextPoint 对象，该对象表示你需要代码元素的编辑器位置。

Scope: vsCMElement

必需。一个 vsCMElement 值，该值表示包含编辑器位置的指定类型的代码元素。

CodeElement

CodeElement 对象。

属性: DispIdAttribute

示例

Sub CodeElementFromPointExample(ByVal dte As DTE2)  

    ' Before running this example, open a code document from a project  
    ' and place the insertion point anywhere inside the source code.  
    Try  
        Dim sel As TextSelection = _  
            CType(dte.ActiveDocument.Selection, TextSelection)  
        Dim pnt As TextPoint = CType(sel.ActivePoint, TextPoint)  

        ' Discover every code element containing the insertion point.  
        Dim fcm As FileCodeModel = _  
            dte.ActiveDocument.ProjectItem.FileCodeModel  
        Dim elems As String  
        Dim elem As CodeElement  
        Dim scope As vsCMElement  
        For Each scope In [Enum].GetValues(scope.GetType())  
            elem = fcm.CodeElementFromPoint(pnt, scope)  
            If IsNothing(elem) = False Then  
                elems &= elem.Name & " (" & scope.ToString() & ")" & _  
                    vbCrLf  
            End If  
        Next  

        MsgBox("The following elements contain the insertion point:" _  
            & vbCrLf & vbCrLf & elems)  
    Catch ex As Exception  
        MsgBox(ex.Message)  
    End Try  

End Sub

public void CodeElementFromPointExample(DTE2 dte)  
{  
    // Before running this example, open a code document from a project  
    // and place the insertion point anywhere inside the source code.  
    try  
    {  
        TextSelection sel =   
            (TextSelection)dte.ActiveDocument.Selection;  
        TextPoint pnt = (TextPoint)sel.ActivePoint;  

        // Discover every code element containing the insertion point.  
        FileCodeModel fcm =   
            dte.ActiveDocument.ProjectItem.FileCodeModel;  
        string elems = "";  
        vsCMElement scopes = 0;  

        foreach (vsCMElement scope in Enum.GetValues(scopes.GetType()))  
        {  
            CodeElement elem = fcm.CodeElementFromPoint(pnt, scope);  

            if (elem != null)  
                elems += elem.Name + " (" + scope.ToString() + ")\n";  
        }  

        MessageBox.Show(  
            "The following elements contain the insertion point:\n\n" +   
            elems);  
    }  
    catch (Exception ex)  
    {  
        MessageBox.Show(ex.Message);  
    }  
}

注解

CodeElementFromPoint 根据 TextPoint 指定的范围或包含的粒度，返回与关联的代码元素。如果指定类型的代码元素不包含编辑器位置，则此方法将失败。

适用于

FileCodeModel.CodeElementFromPoint(TextPoint, vsCMElement) 方法

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定义

参数

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示例

注解

适用于