TextDocument.StartPoint 属性

获取表示文本文档开头或窗格第一个显示字符的 TextPoint 对象。

命名空间：  EnvDTE
程序集：  EnvDTE（在 EnvDTE.dll 中）

语法

声明
ReadOnly Property StartPoint As TextPoint
    Get

TextPoint StartPoint { get; }

property TextPoint^ StartPoint {
    TextPoint^ get ();
}

abstract StartPoint : TextPoint

function get StartPoint () : TextPoint

属性值

类型：EnvDTE.TextPoint
一个 TextPoint 对象。

示例

Sub StartPointExample(ByVal dte As DTE2)

    ' Create a new text file.
    dte.ItemOperations.NewFile()
    Dim txtDoc As TextDocument = _
        CType(dte.ActiveDocument.Object(), TextDocument)

    ' Create an edit point at the empty text document's StartPoint 
    ' and EndPoint; CompareEditPoints displays "point1 and point2
    ' occupy the same ___location."
    Dim point1 As EditPoint = txtDoc.StartPoint.CreateEditPoint()
    Dim point2 As EditPoint = txtDoc.EndPoint.CreateEditPoint()
    CompareEditPoints(point1, point2)

    ' Insert ten lines of text.
    Dim i As Integer
    For i = 1 To 10
        point1.Insert("Line " & i.ToString() & vbCrLf)
    Next

    ' Create an edit point at the text document's StartPoint and 
    ' EndPoint; CompareEditPoints displays "point1 comes before
    ' point2."
    point1 = txtDoc.StartPoint.CreateEditPoint()
    point2 = txtDoc.EndPoint.CreateEditPoint()
    CompareEditPoints(point1, point2)

End Sub

Sub CompareEditPoints(ByVal point1 As EditPoint, _
    ByVal point2 As EditPoint)

    If point1.LessThan(point2) Then
        MsgBox("point1 comes before point2.")
    ElseIf point1.GreaterThan(point2) Then
        MsgBox("point2 comes before point1.")
    ElseIf (point1.EqualTo(point2)) Then
        MsgBox("point1 and point2 occupy the same ___location.")
    End If

End Sub

public void StartPointExample(DTE2 dte)
{

    // Create a new text file.
    dte.ItemOperations.NewFile(@"General\Text File", "", 
        Constants.vsViewKindPrimary);
    TextDocument txtDoc = 
        (TextDocument)dte.ActiveDocument.Object("TextDocument");

    // Create an edit point at the empty text document's StartPoint 
    // and EndPoint; CompareEditPoints displays "point1 and point2
    // occupy the same ___location."
    EditPoint point1 = txtDoc.StartPoint.CreateEditPoint();
    EditPoint point2 = txtDoc.EndPoint.CreateEditPoint();
    CompareEditPoints(point1, point2);

    // Insert ten lines of text.
    for (int i = 1; i <= 10; i++)
        point1.Insert("Line " + i.ToString() + "\r\n");

    // Create an edit point at the text document's StartPoint and 
    // EndPoint; CompareEditPoints displays "point1 comes before 
    // point2."
    point1 = txtDoc.StartPoint.CreateEditPoint();
    point2 = txtDoc.EndPoint.CreateEditPoint();
    CompareEditPoints(point1, point2);
}

public void CompareEditPoints(EditPoint point1, EditPoint point2)
{
    if (point1.LessThan(point2))
        MessageBox.Show("point1 comes before point2.");
    else if (point1.GreaterThan(point2))
        MessageBox.Show("point2 comes before point1.");
    else if (point1.EqualTo(point2))
        MessageBox.Show("point1 and point2 occupy the same ___location.");
}

.NET Framework 安全性

• 对直接调用方的完全信任。此成员不能由部分信任的代码使用。有关更多信息，请参见通过部分受信任的代码使用库。

请参见

参考

TextDocument 接口

EnvDTE 命名空间

其他资源

如何：编译和运行自动化对象模型代码示例