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StringFormat.GetTabStops(Single) 方法

定義

取得這個 StringFormat 對象的製表位。

public:
 cli::array <float> ^ GetTabStops([Runtime::InteropServices::Out] float % firstTabOffset);
public float[] GetTabStops (out float firstTabOffset);
member this.GetTabStops : single -> single[]
Public Function GetTabStops (ByRef firstTabOffset As Single) As Single()

參數

firstTabOffset
Single

文字行開頭與第一個製表位之間的空格數。

傳回

Single[]

製表位之間的距離陣列(以空格數為單位)。

範例

下列範例的設計目的是要與 Windows Forms 搭配使用,而且需要 PaintEventArgse,這是 Paint 事件處理程式的參數。 程式代碼會執行下列動作:

  • 設定 StringFormat的製表位。

  • 繪製字串和版面配置矩形。 請注意,字串包含索引標籤。 StringFormat 的索引標籤設定會指定索引標籤文字的位移。

  • 取得製表位,並使用或檢查值。

public:
   void GetSetTabStopsExample1( PaintEventArgs^ e )
   {
      Graphics^ g = e->Graphics;

      // Tools used for drawing, painting.
      Pen^ redPen = gcnew Pen( Color::FromArgb( 255, 255, 0, 0 ) );
      SolidBrush^ blueBrush = gcnew SolidBrush( Color::FromArgb( 255, 0, 0, 255 ) );

      // Layout and format for text.
      System::Drawing::Font^ myFont = gcnew System::Drawing::Font( "Times New Roman",12 );
      StringFormat^ myStringFormat = gcnew StringFormat;
      Rectangle enclosingRectangle = Rectangle(20,20,500,100);
      array<Single>^tabStops = {150.0f,100.0f,100.0f};

      // Text with tabbed columns.
      String^ myString = "Name\tTab 1\tTab 2\tTab 3\nGeorge Brown\tOne\tTwo\tThree";

      // Set the tab stops, paint the text specified by myString, and draw the
      // rectangle that encloses the text.
      myStringFormat->SetTabStops( 0.0f, tabStops );
      g->DrawString( myString, myFont, blueBrush, enclosingRectangle, myStringFormat );
      g->DrawRectangle( redPen, enclosingRectangle );

      // Get the tab stops.
      float firstTabOffset;
      array<Single>^tabStopsObtained = myStringFormat->GetTabStops( firstTabOffset );
      for ( int j = 0; j < tabStopsObtained->Length; j++ )
      {
         // Inspect or use the value in tabStopsObtained[j].
         Console::WriteLine( "\n  Tab stop {0} = {1}", j, tabStopsObtained[ j ] );
      }
   }
public void GetSetTabStopsExample1(PaintEventArgs e)
{
    Graphics     g = e.Graphics;
             
    // Tools used for drawing, painting.
    Pen          redPen = new Pen(Color.FromArgb(255, 255, 0, 0));
    SolidBrush   blueBrush = new SolidBrush(Color.FromArgb(255, 0, 0, 255));
             
    // Layout and format for text.
    Font         myFont = new Font("Times New Roman", 12);
    StringFormat myStringFormat = new StringFormat();
    Rectangle    enclosingRectangle = new Rectangle(20, 20, 500, 100);
    float[]      tabStops = {150.0f, 100.0f, 100.0f};
             
    // Text with tabbed columns.
    string       myString =
        "Name\tTab 1\tTab 2\tTab 3\nGeorge Brown\tOne\tTwo\tThree";
             
    // Set the tab stops, paint the text specified by myString, and draw the
             
    // rectangle that encloses the text.
    myStringFormat.SetTabStops(0.0f, tabStops);
    g.DrawString(myString, myFont, blueBrush,
        enclosingRectangle, myStringFormat);
    g.DrawRectangle(redPen, enclosingRectangle);
             
    // Get the tab stops.
    float   firstTabOffset;
    float[] tabStopsObtained = myStringFormat.GetTabStops(out firstTabOffset);
    for(int j = 0; j < tabStopsObtained.Length; j++)
    {
             
        // Inspect or use the value in tabStopsObtained[j].
        Console.WriteLine("\n  Tab stop {0} = {1}", j, tabStopsObtained[j]);
    }
}
Public Sub GetSetTabStopsExample1(ByVal e As PaintEventArgs)
    Dim g As Graphics = e.Graphics

    ' Tools used for drawing, painting.
    Dim redPen As New Pen(Color.FromArgb(255, 255, 0, 0))
    Dim blueBrush As New SolidBrush(Color.FromArgb(255, 0, 0, 255))

    ' Layout and format for text.
    Dim myFont As New Font("Times New Roman", 12)
    Dim myStringFormat As New StringFormat
    Dim enclosingRectangle As New Rectangle(20, 20, 500, 100)
    Dim tabStops As Single() = {150.0F, 100.0F, 100.0F}

    ' Text with tabbed columns.
    Dim myString As String = "Name" & ControlChars.Tab & "Tab 1" _
    & ControlChars.Tab & "Tab 2" & ControlChars.Tab & "Tab 3" _
    & ControlChars.Cr & "George Brown" & ControlChars.Tab & "One" _
    & ControlChars.Tab & "Two" & ControlChars.Tab & "Three"

    ' Set the tab stops, paint the text specified by myString,the

    '  and draw rectangle that encloses the text.
    myStringFormat.SetTabStops(0.0F, tabStops)
    g.DrawString(myString, myFont, blueBrush, _
    RectangleF.op_Implicit(enclosingRectangle), myStringFormat)
    g.DrawRectangle(redPen, enclosingRectangle)

    ' Get the tab stops.
    Dim firstTabOffset As Single
    Dim tabStopsObtained As Single() = _
    myStringFormat.GetTabStops(firstTabOffset)
    Dim j As Integer
    For j = 0 To tabStopsObtained.Length - 1

        ' Inspect or use the value in tabStopsObtained[j].
        Console.WriteLine(ControlChars.Cr & "  Tab stop {0} = {1}", _
        j, tabStopsObtained(j))
    Next j
End Sub

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