我正在使用Teechart Cursor工具并使用其"更改"事件，每次我们移动图表的光标，但我想要一个事件/函数，该事件/函数在移动后我们释放光标。
this.cursorTool1.Change += new Steema.TeeChart.Tools.CursorChangeEventHandler(this.cursorTool1_Change);
示例代码： -
using System;
using System.Collections;
using System.ComponentModel;
using System.Drawing;
using System.Windows.Forms;
namespace Steema.TeeChart.Samples
{
public class Tool_Cursor : Samples.BaseForm
{
private Steema.TeeChart.Styles.Line lineSeries1;
private Steema.TeeChart.Styles.Line lineSeries2;
private System.Windows.Forms.Label label1;
private System.Windows.Forms.Label label2;
private System.Windows.Forms.CheckBox checkBox1;
private System.Windows.Forms.CheckBox checkBox2;
private System.Windows.Forms.Button button1;
private Steema.TeeChart.Axis axis1;
private Steema.TeeChart.Tools.CursorTool cursorTool1;
private Steema.TeeChart.Tools.CursorTool cursorTool2;
private System.ComponentModel.IContainer components = null;
private bool flag;
public Tool_Cursor()
{
// This call is required by the Windows Form Designer.
InitializeComponent();
this.lineSeries1.FillSampleValues(100);
this.lineSeries2.FillSampleValues(100);
this.tChart1.Axes.Left.AutomaticMinimum = false;
this.tChart1.Axes.Left.Minimum = 0.0;
this.lineSeries2.CustomVertAxis = this.axis1;
this.tChart1.BeforeDrawSeries += new PaintChartEventHandler(tChart1_BeforeDrawSeries);
flag = true;
this.cursorTool1.Pen.Color = Color.Navy;
this.cursorTool1.Pen.Style = System.Drawing.Drawing2D.DashStyle.Dash;
this.cursorTool1.Pen.Width = 2;
this.cursorTool2.Pen.Color = Color.Plum;
this.cursorTool2.Pen.Style = System.Drawing.Drawing2D.DashStyle.Dot;
this.cursorTool2.Pen.Width = 2;
}
void tChart1_BeforeDrawSeries(object sender, Steema.TeeChart.Drawing.Graphics3D g)
{
if (flag)
{
// place upper series cursor in the middle
this.cursorTool1.XValue = 0.5 * (this.lineSeries1.XValues.Maximum + this.lineSeries1.XValues.Minimum);
flag = false;
}
}
/// <summary>
/// Clean up any resources being used.
/// </summary>
protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}
#region Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.components = new System.ComponentModel.Container();
System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(Tool_Cursor));
this.lineSeries1 = new Steema.TeeChart.Styles.Line();
this.lineSeries2 = new Steema.TeeChart.Styles.Line();
this.axis1 = new Steema.TeeChart.Axis(this.components);
this.label1 = new System.Windows.Forms.Label();
this.label2 = new System.Windows.Forms.Label();
this.checkBox1 = new System.Windows.Forms.CheckBox();
this.checkBox2 = new System.Windows.Forms.CheckBox();
this.button1 = new System.Windows.Forms.Button();
this.cursorTool1 = new Steema.TeeChart.Tools.CursorTool();
this.cursorTool2 = new Steema.TeeChart.Tools.CursorTool();
this.panel1.SuspendLayout();
this.chartContainer.SuspendLayout();
this.SuspendLayout();
//
// textBox1
//
this.textBox1.Size = new System.Drawing.Size(406, 56);
this.textBox1.Text = "Cursor Tool is used to display vertical and / or horizontal lines on top of chart" +
"s. Cursors can be dragged by mouse or by code at runtime. They notify position c" +
"hanges with the OnChange event.";
//
// panel1
//
this.panel1.Controls.Add(this.button1);
this.panel1.Controls.Add(this.checkBox2);
this.panel1.Controls.Add(this.checkBox1);
this.panel1.Controls.Add(this.label2);
this.panel1.Controls.Add(this.label1);
this.panel1.Location = new System.Drawing.Point(0, 56);
this.panel1.Size = new System.Drawing.Size(406, 52);
//
// tChart1
//
//
//
//
this.tChart1.Aspect.View3D = false;
this.tChart1.Aspect.ZOffset = 0;
//
//
//
this.tChart1.Axes.Custom.Add(this.axis1);
//
//
//
this.tChart1.Axes.Left.EndPosition = 50;
//
//
//
//
//
//
//
//
//
this.tChart1.Axes.Left.Labels.Font.Brush.Color = System.Drawing.Color.Red;
this.tChart1.Axes.Left.Labels.Font.Size = 7;
this.tChart1.Axes.Left.Labels.Font.SizeFloat = 7F;
this.tChart1.Axes.Left.LogarithmicBase = 2;
//
//
//
this.tChart1.Header.Lines = new string[] {
"Cursor tool example"};
this.tChart1.Header.Visible = false;
//
//
//
//
//
//
this.tChart1.Panel.Brush.Color = System.Drawing.Color.FromArgb(((int)(((byte)(254)))), ((int)(((byte)(255)))), ((int)(((byte)(255)))), ((int)(((byte)(255)))));
this.tChart1.Series.Add(this.lineSeries1);
this.tChart1.Series.Add(this.lineSeries2);
this.tChart1.Size = new System.Drawing.Size(406, 155);
this.tChart1.Tools.Add(this.cursorTool1);
this.tChart1.Tools.Add(this.cursorTool2);
this.tChart1.AfterDraw += new Steema.TeeChart.PaintChartEventHandler(this.tChart1_AfterDraw);
//
// chartContainer
//
this.chartContainer.Location = new System.Drawing.Point(0, 108);
this.chartContainer.Size = new System.Drawing.Size(406, 155);
//
// lineSeries1
//
//
//
//
this.lineSeries1.Brush.Color = System.Drawing.Color.FromArgb(((int)(((byte)(68)))), ((int)(((byte)(102)))), ((int)(((byte)(163)))));
this.lineSeries1.Color = System.Drawing.Color.FromArgb(((int)(((byte)(68)))), ((int)(((byte)(102)))), ((int)(((byte)(163)))));
this.lineSeries1.ColorEach = false;
//
//
//
this.lineSeries1.LinePen.Color = System.Drawing.Color.FromArgb(((int)(((byte)(41)))), ((int)(((byte)(61)))), ((int)(((byte)(98)))));
//
//
//
//
//
//
this.lineSeries1.Marks.Callout.ArrowHead = Steema.TeeChart.Styles.ArrowHeadStyles.None;
this.lineSeries1.Marks.Callout.ArrowHeadSize = 8;
//
//
//
this.lineSeries1.Marks.Callout.Brush.Color = System.Drawing.Color.Black;
this.lineSeries1.Marks.Callout.Distance = 0;
this.lineSeries1.Marks.Callout.Draw3D = false;
this.lineSeries1.Marks.Callout.Length = 10;
this.lineSeries1.Marks.Callout.Style = Steema.TeeChart.Styles.PointerStyles.Rectangle;
this.lineSeries1.Marks.Callout.Visible = false;
//
//
//
this.lineSeries1.Pointer.Style = Steema.TeeChart.Styles.PointerStyles.Rectangle;
this.lineSeries1.Title = "line1";
//
//
//
this.lineSeries1.XValues.DataMember = "X";
this.lineSeries1.XValues.Order = Steema.TeeChart.Styles.ValueListOrder.Ascending;
//
//
//
this.lineSeries1.YValues.DataMember = "Y";
//
// lineSeries2
//
//
//
//
this.lineSeries2.Brush.Color = System.Drawing.Color.FromArgb(((int)(((byte)(243)))), ((int)(((byte)(156)))), ((int)(((byte)(53)))));
this.lineSeries2.Color = System.Drawing.Color.FromArgb(((int)(((byte)(243)))), ((int)(((byte)(156)))), ((int)(((byte)(53)))));
this.lineSeries2.ColorEach = false;
this.lineSeries2.CustomVertAxis = this.axis1;
//
//
//
this.lineSeries2.LinePen.Color = System.Drawing.Color.FromArgb(((int)(((byte)(146)))), ((int)(((byte)(94)))), ((int)(((byte)(32)))));
//
//
//
//
//
//
this.lineSeries2.Marks.Callout.ArrowHead = Steema.TeeChart.Styles.ArrowHeadStyles.None;
this.lineSeries2.Marks.Callout.ArrowHeadSize = 8;
//
//
//
this.lineSeries2.Marks.Callout.Brush.Color = System.Drawing.Color.Black;
this.lineSeries2.Marks.Callout.Distance = 0;
this.lineSeries2.Marks.Callout.Draw3D = false;
this.lineSeries2.Marks.Callout.Length = 10;
this.lineSeries2.Marks.Callout.Style = Steema.TeeChart.Styles.PointerStyles.Rectangle;
this.lineSeries2.Marks.Callout.Visible = false;
//
//
//
this.lineSeries2.Pointer.Style = Steema.TeeChart.Styles.PointerStyles.Rectangle;
this.lineSeries2.Title = "line2";
this.lineSeries2.VertAxis = Steema.TeeChart.Styles.VerticalAxis.Custom;
//
//
//
this.lineSeries2.XValues.DataMember = "X";
this.lineSeries2.XValues.Order = Steema.TeeChart.Styles.ValueListOrder.Ascending;
//
//
//
this.lineSeries2.YValues.DataMember = "Y";
//
// axis1
//
this.axis1.Horizontal = false;
//
//
//
//
//
//
//
//
//
this.axis1.Labels.Font.Brush.Color = System.Drawing.Color.Green;
this.axis1.Labels.Font.Size = 7;
this.axis1.Labels.Font.SizeFloat = 7F;
this.axis1.OtherSide = false;
this.axis1.StartPosition = 50;
//
// label1
//
this.label1.AutoSize = true;
this.label1.Location = new System.Drawing.Point(5, 7);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(0, 13);
this.label1.TabIndex = 0;
this.label1.UseMnemonic = false;
//
// label2
//
this.label2.AutoSize = true;
this.label2.Location = new System.Drawing.Point(5, 26);
this.label2.Name = "label2";
this.label2.Size = new System.Drawing.Size(0, 13);
this.label2.TabIndex = 1;
this.label2.UseMnemonic = false;
//
// checkBox1
//
this.checkBox1.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
this.checkBox1.Location = new System.Drawing.Point(107, 12);
this.checkBox1.Name = "checkBox1";
this.checkBox1.Size = new System.Drawing.Size(53, 23);
this.checkBox1.TabIndex = 2;
this.checkBox1.Text = "&Snap";
this.checkBox1.CheckedChanged += new System.EventHandler(this.checkBox1_CheckedChanged);
//
// checkBox2
//
this.checkBox2.Checked = true;
this.checkBox2.CheckState = System.Windows.Forms.CheckState.Checked;
this.checkBox2.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
this.checkBox2.Location = new System.Drawing.Point(167, 12);
this.checkBox2.Name = "checkBox2";
this.checkBox2.Size = new System.Drawing.Size(72, 23);
this.checkBox2.TabIndex = 3;
this.checkBox2.Text = "&Active";
this.checkBox2.CheckedChanged += new System.EventHandler(this.checkBox2_CheckedChanged);
//
// button1
//
this.button1.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
this.button1.Location = new System.Drawing.Point(247, 12);
this.button1.Name = "button1";
this.button1.Size = new System.Drawing.Size(75, 23);
this.button1.TabIndex = 4;
this.button1.Text = "&Edit...";
this.button1.Click += new System.EventHandler(this.button1_Click);
//
// cursorTool1
//
this.cursorTool1.Series = this.lineSeries1;
this.cursorTool1.Style = Steema.TeeChart.Tools.CursorToolStyles.Vertical;
this.cursorTool1.Change += new Steema.TeeChart.Tools.CursorChangeEventHandler(this.cursorTool1_Change);
//
// cursorTool2
//
this.cursorTool2.FollowMouse = true;
this.cursorTool2.Series = this.lineSeries2;
this.cursorTool2.Change += new Steema.TeeChart.Tools.CursorChangeEventHandler(this.cursorTool2_Change);
//
// Tool_Cursor
//
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.ClientSize = new System.Drawing.Size(406, 263);
this.Name = "Tool_Cursor";
this.panel1.ResumeLayout(false);
this.panel1.PerformLayout();
this.chartContainer.ResumeLayout(false);
this.ResumeLayout(false);
this.PerformLayout();
}
#endregion
private void checkBox1_CheckedChanged(object sender, System.EventArgs e)
{
this.cursorTool1.Snap = this.checkBox1.Checked;
this.cursorTool1.Style = Steema.TeeChart.Tools.CursorToolStyles.Vertical;
}
private void checkBox2_CheckedChanged(object sender, System.EventArgs e)
{
this.cursorTool1.Active = this.checkBox2.Checked;
}
private void tChart1_AfterDraw(object sender, Steema.TeeChart.Drawing.Graphics3D g)
{
Steema.TeeChart.Drawing.Graphics3D gr = this.tChart1.Graphics3D;
// TODO : add custom horizontal line where the axes meet
}
private void cursorTool1_Change(object sender, Steema.TeeChart.Tools.CursorChangeEventArgs e)
{
// show the cursor values...
this.label1.Text = "X="+e.XValue.ToString("#.00");
}
private void cursorTool2_Change(object sender, Steema.TeeChart.Tools.CursorChangeEventArgs e)
{
// show the cursor values...
this.label2.Text = "X="+e.XValue.ToString("#.00")+"; Y="+e.YValue.ToString("#.00");
}
private void button1_Click(object sender, System.EventArgs e)
{
TeeChart.Editors.Tools.ToolsEditor.ShowEditor(this.cursorTool1);
}
}
}
您可以尝试添加鼠标UP事件并检查CursorTool是否单击，例如
this.cursorTool1.Pen.Width = 2;
tChart1.MouseUp += TChart1_MouseUp;
this.cursorTool2.Pen.Color = Color.Plum;
this.cursorTool2.Pen.Style = System.Drawing.Drawing2D.DashStyle.Dot;
this.cursorTool2.Pen.Width = 2;
}
private void TChart1_MouseUp(object sender, MouseEventArgs e)
{
var clicked = cursorTool1.Clicked(e.X, e.Y);
if(clicked == Tools.CursorClicked.Vertical)
{
MessageBox.Show("The Cursed has been released!");
}
}