StripLine.TextOrientation 屬性

定義

命名空間:

System.Web.UI.DataVisualization.Charting

組件:

System.Web.DataVisualization.dll

取得或設定文字方向。

public:
 property System::Web::UI::DataVisualization::Charting::TextOrientation TextOrientation { System::Web::UI::DataVisualization::Charting::TextOrientation get(); void set(System::Web::UI::DataVisualization::Charting::TextOrientation value); };

[System.ComponentModel.Bindable(true)]
[System.Web.UI.PersistenceMode(System.Web.UI.PersistenceMode.Attribute)]
public System.Web.UI.DataVisualization.Charting.TextOrientation TextOrientation { get; set; }

[<System.ComponentModel.Bindable(true)>]
[<System.Web.UI.PersistenceMode(System.Web.UI.PersistenceMode.Attribute)>]
member this.TextOrientation : System.Web.UI.DataVisualization.Charting.TextOrientation with get, set

Public Property TextOrientation As TextOrientation

屬性值

TextOrientation

TextOrientation 值，表示文字方向的對齊方式。

屬性

BindableAttribute PersistenceModeAttribute

範例

下列程式碼範例示範如何在圖表控制項新增至設計介面之後新增臨界值線。 圖表會使用非週期性帶狀線來顯示數列中所有資料點平均值的計算。

Imports System.Web.UI.DataVisualization.Charting  

Public Partial Class StripLines   
    Inherits System.Web.UI.Page   
    Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)  
        ' Add chart data before adding strip lines.   
        AddChartData()   

        ' Adds a threshold line using strip lines.   
        AddThresholdStripLine()   
    End Sub   

    ''' <summary>   
    ''' Adds a week of data with values between 20 and 35.   
    ''' </summary>   
    Private Sub AddChartData()   
        ' Declare new random variable   
        Dim rand As New Random()   
        For i As Integer = 0 To 6   

            ' Add a week of data   
            chart1.Series(0).Points.AddXY(DateTime.Now.AddDays(i), rand.[Next](20, 35))   
        Next   
    End Sub   

    ''' <summary>   
    ''' Adds a horizontal threshold strip line at the calculated mean   
    ''' value of all data points in the first series of the chart.   
    ''' </summary>   
    Private Sub AddThresholdStripLine()   
        Dim stripLine3 As New StripLine()   

        ' Set threshold line so that it is only shown once   
        stripLine3.Interval = 0   

        ' Set the threshold line to be drawn at the calculated mean of the first series   
        stripLine3.IntervalOffset = chart1.DataManipulator.Statistics.Mean(chart1.Series(0).Name)   

        stripLine3.BackColor = Color.DarkGreen   
        stripLine3.StripWidth = 0.25   

        ' Set text properties for the threshold line   
        stripLine3.Text = "Mean"   
        stripLine3.ForeColor = Color.Black   
        stripLine3.TextAlignment = StringAlignment.Near   
        stripLine3.TextLineAlignment = StringAlignment.Near   
        stripLine3.TextOrientation = TextOrientation.Auto   

        ' Add strip line to the chart   
        chart1.ChartAreas(0).AxisY.StripLines.Add(stripLine3)   
    End Sub   
End Class  

public partial class StripLines : System.Web.UI.Page   
    {  
        protected void Page_Load(object sender, EventArgs e)  
        {              
            // Add chart data  
            AddChartData();  

            // Adds a threshold line using strip lines.  
            AddThresholdStripLine();  
        }  

        /// <summary>  
        /// Adds a week of data with values between 20 and 35.  
        /// </summary>  
        private void AddChartData()  
        {  
            // Declare new random variable  
            Random rand = new Random();  

            // Add a week of data  
            for (int i = 0; i < 7; i++)   
            {  
                chart1.Series[0].Points.AddXY(DateTime.Now.AddDays(i), rand.Next(20,35));  
            }  
        }  

        /// <summary>  
        /// Adds a horizontal threshold strip line at the calculated mean   
        /// value of all data points in the first series of the chart.  
        /// </summary>  
        private void AddThresholdStripLine()  
        {  
            StripLine stripLine3 = new StripLine();  

            // Set threshold line so that it is only shown once  
            stripLine3.Interval = 0;  

            // Set the threshold line to be drawn at the calculated mean of the first series  
            stripLine3.IntervalOffset = chart1.DataManipulator.Statistics.Mean(chart1.Series[0].Name);  

            stripLine3.BackColor = Color.DarkGreen;  
            stripLine3.StripWidth = 0.25;  

            // Set text properties for the threshold line  
            stripLine3.Text = "Mean";  
            stripLine3.ForeColor = Color.Black;  
            stripLine3.TextAlignment = StringAlignment.Near;  
            stripLine3.TextLineAlignment = StringAlignment.Near;  
            stripLine3.TextOrientation = TextOrientation.Auto;  

            // Add strip line to the chart  
            chart1.ChartAreas[0].AxisY.StripLines.Add(stripLine3);  
        }  
    }  

備註

當這個屬性設定為 的值 Auto 時，文字會根據圖表類型進行導向。 對於橫條圖以外的所有 X-Y 圖表類型，X 軸帶狀線文字會從左至右水準方向方向。 對於橫條圖，X 軸帶狀線文字會從上到下垂直方向導向帶狀線的右邊。