StripLine.TextLineAlignment 屬性

定義

命名空間:

System.Web.UI.DataVisualization.Charting

組件:

System.Web.DataVisualization.dll

取得或設定帶狀線文字的文字行對齊方式。

public:
 property System::Drawing::StringAlignment TextLineAlignment { System::Drawing::StringAlignment get(); void set(System::Drawing::StringAlignment value); };

[System.ComponentModel.Bindable(true)]
[System.Web.UI.PersistenceMode(System.Web.UI.PersistenceMode.Attribute)]
public System.Drawing.StringAlignment TextLineAlignment { get; set; }

[<System.ComponentModel.Bindable(true)>]
[<System.Web.UI.PersistenceMode(System.Web.UI.PersistenceMode.Attribute)>]
member this.TextLineAlignment : System.Drawing.StringAlignment with get, set

Public Property TextLineAlignment As StringAlignment

屬性值

StringAlignment

StringAlignment 值，表示文字行的對齊方式。

屬性

BindableAttribute PersistenceModeAttribute

範例

下列程式碼範例示範如何在將 chart 控制項加入至設計介面之後，加入臨界值線。 此圖表會使用非週期性帶狀線來顯示數列中所有資料點的平均值計算。

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);  
        }  
    }