using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; using AGaugeApp; using System.IO.Ports; using System.Threading; using GMap.NET; using GMap.NET.WindowsForms; using GMap.NET.WindowsForms.Markers; using System.Net; using System.Net.Sockets; using System.Xml; // config file using System.Runtime.InteropServices; // dll imports using ZedGraph; // Graphs using ArdupilotMega; using System.Reflection; using System.IO; using System.Drawing.Drawing2D; namespace ArdupilotMega { /// /// Struct as used in Ardupilot /// public struct Locationwp { public byte id; // command id public byte options; ///< options bitmask (1<<0 = relative altitude) public byte p1; // param 1 public int lat; // Lattitude * 10**7 public int lng; // Longitude * 10**7 public int alt; // Altitude in centimeters (meters * 100) }; /// /// used to override the drawing of the waypoint box bounding /// public class GMapMarkerRect : GMapMarker { public Pen Pen; public GMapMarker InnerMarker; public int wprad = 0; public GMapControl MainMap; PointLatLng wpradposition; public GMapMarkerRect(PointLatLng p) : base(p) { Pen = new Pen(Brushes.White, 2); Pen.DashStyle = DashStyle.Dash; // do not forget set Size of the marker // if so, you shall have no event on it ;} Size = new System.Drawing.Size(50, 50); Offset = new System.Drawing.Point(-Size.Width / 2, -Size.Height / 2 - 20); } public override void OnRender(Graphics g) { base.OnRender(g); if (wprad == 0 || MainMap == null) return; if (Pen.Color == Color.Blue) Pen.Color = Color.White; { double width = (MainMap.Manager.GetDistance(MainMap.FromLocalToLatLng(0, 0), MainMap.FromLocalToLatLng(MainMap.Width, 0)) * 1000.0); double height = (MainMap.Manager.GetDistance(MainMap.FromLocalToLatLng(0, 0), MainMap.FromLocalToLatLng(MainMap.Height, 0)) * 1000.0); double m2pixelwidth = MainMap.Width / width; double m2pixelheight = MainMap.Height / height; wpradposition = MainMap.FromLocalToLatLng((int)(LocalPosition.X - (m2pixelwidth * wprad * 2)), LocalPosition.Y); } Matrix temp = g.Transform; GPoint loc = MainMap.FromLatLngToLocal(wpradposition); g.DrawArc(Pen, new System.Drawing.Rectangle(LocalPosition.X - Offset.X - (Math.Abs(loc.X - LocalPosition.X) / 2), LocalPosition.Y - Offset.Y - Math.Abs(loc.X - LocalPosition.X) / 2, Math.Abs(loc.X - LocalPosition.X), Math.Abs(loc.X - LocalPosition.X)), 0, 360); } } public class GMapMarkerPlane : GMapMarker { const float rad2deg = (float)(180 / Math.PI); const float deg2rad = (float)(1.0 / rad2deg); static readonly System.Drawing.Size SizeSt = new System.Drawing.Size(global::ArdupilotMega.Properties.Resources.planetracker.Width, global::ArdupilotMega.Properties.Resources.planetracker.Height); float heading = 0; float cog = -1; float target = -1; float nav_bearing = -1; public GMapMarkerPlane(PointLatLng p, float heading, float cog, float nav_bearing,float target) : base(p) { this.heading = heading; this.cog = cog; this.target = target; this.nav_bearing = nav_bearing; Size = SizeSt; } public override void OnRender(Graphics g) { Matrix temp = g.Transform; g.TranslateTransform(LocalPosition.X, LocalPosition.Y); int length = 500; g.DrawLine(new Pen(Color.Red, 2), 0.0f, 0.0f, (float)Math.Cos((heading - 90) * deg2rad) * length, (float)Math.Sin((heading - 90) * deg2rad) * length); g.DrawLine(new Pen(Color.Green, 2), 0.0f, 0.0f, (float)Math.Cos((nav_bearing - 90) * deg2rad) * length, (float)Math.Sin((nav_bearing - 90) * deg2rad) * length); g.DrawLine(new Pen(Color.Black, 2), 0.0f, 0.0f, (float)Math.Cos((cog - 90) * deg2rad) * length, (float)Math.Sin((cog - 90) * deg2rad) * length); g.DrawLine(new Pen(Color.Orange, 2), 0.0f, 0.0f, (float)Math.Cos((target - 90) * deg2rad) * length, (float)Math.Sin((target - 90) * deg2rad) * length); g.RotateTransform(heading); g.DrawImageUnscaled(global::ArdupilotMega.Properties.Resources.planetracker, global::ArdupilotMega.Properties.Resources.planetracker.Width / -2, global::ArdupilotMega.Properties.Resources.planetracker.Height / -2); g.Transform = temp; } } public class GMapMarkerQuad : GMapMarker { static readonly System.Drawing.Size SizeSt = new System.Drawing.Size(global::ArdupilotMega.Properties.Resources.quad2.Width, global::ArdupilotMega.Properties.Resources.quad2.Height); float heading = 0; float cog = -1; float target = -1; public GMapMarkerQuad(PointLatLng p, float heading, float cog, float target) : base(p) { this.heading = heading; this.cog = cog; this.target = target; Size = SizeSt; } public override void OnRender(Graphics g) { Matrix temp = g.Transform; g.TranslateTransform(LocalPosition.X, LocalPosition.Y); g.RotateTransform(heading); g.DrawImageUnscaled(global::ArdupilotMega.Properties.Resources.quad2, global::ArdupilotMega.Properties.Resources.quad2.Width / -2, global::ArdupilotMega.Properties.Resources.quad2.Height / -2); g.Transform = temp; } } public class PointLatLngAlt { public double Lat = 0; public double Lng = 0; public double Alt = 0; public string Tag = ""; public PointLatLngAlt(double lat, double lng, double alt, string tag) { this.Lat = lat; this.Lng = lng; this.Alt = alt; this.Tag = tag; } public PointLatLngAlt() { } public PointLatLng Point() { return new PointLatLng(Lat, Lng); } /// /// Calc Distance in M /// /// /// Distance in M public double GetDistance(PointLatLngAlt p2) { double d = Lat * 0.017453292519943295; double num2 = Lng * 0.017453292519943295; double num3 = p2.Lat * 0.017453292519943295; double num4 = p2.Lng * 0.017453292519943295; double num5 = num4 - num2; double num6 = num3 - d; double num7 = Math.Pow(Math.Sin(num6 / 2.0), 2.0) + ((Math.Cos(d) * Math.Cos(num3)) * Math.Pow(Math.Sin(num5 / 2.0), 2.0)); double num8 = 2.0 * Math.Atan2(Math.Sqrt(num7), Math.Sqrt(1.0 - num7)); return (6378.137 * num8) * 1000; // M } } public class Common { public enum distances { Meters, Feet } public enum speeds { ms, fps, kph, mph, knots } public enum apmmodes { MANUAL = 0, CIRCLE = 1, STABILIZE = 2, FLY_BY_WIRE_A = 5, FLY_BY_WIRE_B = 6, AUTO = 10, RTL = 11, LOITER = 12, GUIDED = 15 } public enum ac2modes { STABILIZE = 0, // hold level position ACRO = 1, // rate control ALT_HOLD = 2, // AUTO control AUTO = 3, // AUTO control GUIDED = 4, // AUTO control LOITER = 5, // Hold a single location RTL = 6, // AUTO control CIRCLE = 7, POSITION = 8 } public static bool translateMode(string modein, ref MAVLink.__mavlink_set_nav_mode_t navmode, ref MAVLink.__mavlink_set_mode_t mode) { //MAVLink.__mavlink_set_nav_mode_t navmode = new MAVLink.__mavlink_set_nav_mode_t(); navmode.target = MainV2.comPort.sysid; navmode.nav_mode = 255; //MAVLink.__mavlink_set_mode_t mode = new MAVLink.__mavlink_set_mode_t(); mode.target = MainV2.comPort.sysid; try { if (Common.getModes() == typeof(Common.apmmodes)) { switch ((int)Enum.Parse(Common.getModes(), modein)) { case (int)Common.apmmodes.MANUAL: mode.mode = (byte)MAVLink.MAV_MODE.MAV_MODE_MANUAL; break; case (int)Common.apmmodes.GUIDED: mode.mode = (byte)MAVLink.MAV_MODE.MAV_MODE_GUIDED; break; case (int)Common.apmmodes.STABILIZE: mode.mode = (byte)MAVLink.MAV_MODE.MAV_MODE_TEST1; break; // AUTO MODES case (int)Common.apmmodes.AUTO: navmode.nav_mode = (byte)MAVLink.MAV_NAV.MAV_NAV_WAYPOINT; mode.mode = (byte)MAVLink.MAV_MODE.MAV_MODE_AUTO; break; case (int)Common.apmmodes.RTL: navmode.nav_mode = (byte)MAVLink.MAV_NAV.MAV_NAV_RETURNING; mode.mode = (byte)MAVLink.MAV_MODE.MAV_MODE_AUTO; break; case (int)Common.apmmodes.LOITER: navmode.nav_mode = (byte)MAVLink.MAV_NAV.MAV_NAV_LOITER; mode.mode = (byte)MAVLink.MAV_MODE.MAV_MODE_AUTO; break; // FBW case (int)Common.apmmodes.FLY_BY_WIRE_A: navmode.nav_mode = (byte)1; mode.mode = (byte)MAVLink.MAV_MODE.MAV_MODE_TEST2; break; case (int)Common.apmmodes.FLY_BY_WIRE_B: navmode.nav_mode = (byte)2; mode.mode = (byte)MAVLink.MAV_MODE.MAV_MODE_TEST2; break; default: MessageBox.Show("No Mode Changed " + (int)Enum.Parse(Common.getModes(), modein)); return false; } } else if (Common.getModes() == typeof(Common.ac2modes)) { switch ((int)Enum.Parse(Common.getModes(), modein)) { case (int)Common.ac2modes.GUIDED: mode.mode = (byte)MAVLink.MAV_MODE.MAV_MODE_GUIDED; break; case (int)Common.ac2modes.STABILIZE: mode.mode = (byte)MAVLink.MAV_MODE.MAV_MODE_MANUAL; break; // AUTO MODES case (int)Common.ac2modes.AUTO: navmode.nav_mode = (byte)MAVLink.MAV_NAV.MAV_NAV_WAYPOINT; mode.mode = (byte)MAVLink.MAV_MODE.MAV_MODE_AUTO; break; case (int)Common.ac2modes.RTL: navmode.nav_mode = (byte)MAVLink.MAV_NAV.MAV_NAV_RETURNING; mode.mode = (byte)MAVLink.MAV_MODE.MAV_MODE_AUTO; break; case (int)Common.ac2modes.LOITER: navmode.nav_mode = (byte)MAVLink.MAV_NAV.MAV_NAV_LOITER; mode.mode = (byte)MAVLink.MAV_MODE.MAV_MODE_AUTO; break; default: MessageBox.Show("No Mode Changed " + (int)Enum.Parse(Common.getModes(), modein)); return false; } } } catch { System.Windows.Forms.MessageBox.Show("Failed to find Mode"); return false; } return true; } public static bool getFilefromNet(string url,string saveto) { try { // Create a request using a URL that can receive a post. WebRequest request = WebRequest.Create(url); request.Timeout = 5000; // Set the Method property of the request to POST. request.Method = "GET"; // Get the response. WebResponse response = request.GetResponse(); // Display the status. Console.WriteLine(((HttpWebResponse)response).StatusDescription); if (((HttpWebResponse)response).StatusDescription != "200") return false; // Get the stream containing content returned by the server. Stream dataStream = response.GetResponseStream(); long bytes = response.ContentLength; long contlen = bytes; byte[] buf1 = new byte[1024]; FileStream fs = new FileStream(saveto+".new", FileMode.Create); DateTime dt = DateTime.Now; while (dataStream.CanRead && bytes > 0) { Application.DoEvents(); Console.WriteLine(saveto + " " + bytes); int len = dataStream.Read(buf1, 0, buf1.Length); bytes -= len; fs.Write(buf1, 0, len); } fs.Close(); dataStream.Close(); response.Close(); File.Delete(saveto); File.Move(saveto + ".new", saveto); return true; } catch { return false; } } public static Type getModes() { if (MainV2.cs.firmware == MainV2.Firmwares.ArduPlane) { return typeof(apmmodes); } else if (MainV2.cs.firmware == MainV2.Firmwares.ArduCopter2) { return typeof(ac2modes); } return null; } public static Form LoadingBox(string title, string promptText) { Form form = new Form(); System.Windows.Forms.Label label = new System.Windows.Forms.Label(); System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(MainV2)); form.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon"))); form.Text = title; label.Text = promptText; label.SetBounds(9, 50, 372, 13); label.AutoSize = true; form.ClientSize = new Size(396, 107); form.Controls.AddRange(new Control[] { label }); form.ClientSize = new Size(Math.Max(300, label.Right + 10), form.ClientSize.Height); form.FormBorderStyle = FormBorderStyle.FixedDialog; form.StartPosition = FormStartPosition.CenterScreen; form.MinimizeBox = false; form.MaximizeBox = false; MainV2.fixtheme(form); form.Show(); form.Refresh(); label.Refresh(); Application.DoEvents(); return form; } public static DialogResult MessageShowAgain(string title, string promptText) { Form form = new Form(); System.Windows.Forms.Label label = new System.Windows.Forms.Label(); CheckBox chk = new CheckBox(); MyButton buttonOk = new MyButton(); System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(MainV2)); form.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon"))); form.Text = title; label.Text = promptText; chk.Tag = ("SHOWAGAIN_" + title.Replace(" ","_")); chk.AutoSize = true; chk.Text = "Show me again?"; chk.Checked = true; chk.Location = new Point(9,80); if (MainV2.config[(string)chk.Tag] != null && (string)MainV2.config[(string)chk.Tag] == "False") // skip it { form.Dispose(); chk.Dispose(); buttonOk.Dispose(); label.Dispose(); return DialogResult.OK; } chk.CheckStateChanged += new EventHandler(chk_CheckStateChanged); buttonOk.Text = "OK"; buttonOk.DialogResult = DialogResult.OK; buttonOk.Location = new Point(form.Right - 100 ,80); label.SetBounds(9, 40, 372, 13); label.AutoSize = true; form.ClientSize = new Size(396, 107); form.Controls.AddRange(new Control[] { label, chk, buttonOk }); form.ClientSize = new Size(Math.Max(300, label.Right + 10), form.ClientSize.Height); form.FormBorderStyle = FormBorderStyle.FixedDialog; form.StartPosition = FormStartPosition.CenterScreen; form.MinimizeBox = false; form.MaximizeBox = false; MainV2.fixtheme(form); return form.ShowDialog(); } static void chk_CheckStateChanged(object sender, EventArgs e) { MainV2.config[(string)((CheckBox)(sender)).Tag] = ((CheckBox)(sender)).Checked.ToString(); } //from http://www.csharp-examples.net/inputbox/ public static DialogResult InputBox(string title, string promptText, ref string value) { Form form = new Form(); System.Windows.Forms.Label label = new System.Windows.Forms.Label(); TextBox textBox = new TextBox(); MyButton buttonOk = new MyButton(); MyButton buttonCancel = new MyButton(); form.TopMost = true; form.Text = title; label.Text = promptText; textBox.Text = value; buttonOk.Text = "OK"; buttonCancel.Text = "Cancel"; buttonOk.DialogResult = DialogResult.OK; buttonCancel.DialogResult = DialogResult.Cancel; label.SetBounds(9, 20, 372, 13); textBox.SetBounds(12, 36, 372, 20); buttonOk.SetBounds(228, 72, 75, 23); buttonCancel.SetBounds(309, 72, 75, 23); label.AutoSize = true; textBox.Anchor = textBox.Anchor | AnchorStyles.Right; buttonOk.Anchor = AnchorStyles.Bottom | AnchorStyles.Right; buttonCancel.Anchor = AnchorStyles.Bottom | AnchorStyles.Right; form.ClientSize = new Size(396, 107); form.Controls.AddRange(new Control[] { label, textBox, buttonOk, buttonCancel }); form.ClientSize = new Size(Math.Max(300, label.Right + 10), form.ClientSize.Height); form.FormBorderStyle = FormBorderStyle.FixedDialog; form.StartPosition = FormStartPosition.CenterScreen; form.MinimizeBox = false; form.MaximizeBox = false; form.AcceptButton = buttonOk; form.CancelButton = buttonCancel; MainV2.fixtheme(form); DialogResult dialogResult = form.ShowDialog(); if (dialogResult == DialogResult.OK) { value = textBox.Text; } return dialogResult; } public static string speechConversion(string input) { if (MainV2.cs.wpno == 0) { input = input.Replace("{wpn}", "Home"); } else { input = input.Replace("{wpn}", MainV2.cs.wpno.ToString()); } input = input.Replace("{asp}", MainV2.cs.airspeed.ToString("0")); input = input.Replace("{alt}", MainV2.cs.alt.ToString("0")); input = input.Replace("{wpa}", MainV2.cs.targetalt.ToString("0")); input = input.Replace("{gsp}", MainV2.cs.groundspeed.ToString("0")); input = input.Replace("{mode}", MainV2.cs.mode.ToString()); input = input.Replace("{batv}", MainV2.cs.battery_voltage.ToString("0.00")); return input; } } public class VerticalProgressBar : HorizontalProgressBar { protected override CreateParams CreateParams { get { CreateParams cp = base.CreateParams; cp.Style |= 0x04; return cp; } } } public class VerticalProgressBar2 : HorizontalProgressBar2 { protected override void OnPaint(PaintEventArgs e) { e.Graphics.TranslateTransform(0, e.Graphics.ClipBounds.Height); e.Graphics.RotateTransform(270); e.Graphics.ScaleTransform((float)this.Height / (float)this.Width, (float)this.Width / (float)this.Height); base.OnPaint(e); } } public class HorizontalProgressBar2 : BSE.Windows.Forms.ProgressBar { private string m_Text; int offset = 0; int _min = 0; int _max = 0; int _value = 0; System.Windows.Forms.Label lbl1 = new System.Windows.Forms.Label(); System.Windows.Forms.Label lbl = new System.Windows.Forms.Label(); public HorizontalProgressBar2() : base() { } public new int Value { get { return _value; } set { if (_value == value) return; _value = value; int ans = value + offset; if (ans <= base.Minimum) { ans = base.Minimum + 1; // prevent an exception for the -1 hack } else if (ans >= base.Maximum) { ans = base.Maximum; } base.Value = ans; if (this.DesignMode) return; if (this.Parent != null) { this.Parent.Controls.Add(lbl); this.Parent.Controls.Add(lbl1); } } } public new int Minimum { get { return _min; } set { _min = value; if (_min < 0) { base.Minimum = 0; offset = (_max - value) / 2; base.Maximum = _max - value; } else { base.Minimum = value; } } } public new int Maximum { get { return _max; } set { _max = value; base.Maximum = value; } } [System.ComponentModel.Browsable(true), System.ComponentModel.Category("Mine"), System.ComponentModel.Description("Text under Bar")] public string Label { get { return m_Text; } set { if (m_Text != value) { m_Text = value; } } } private void drawlbl(Graphics e) { lbl.Location = new Point(this.Location.X, this.Location.Y + this.Height + 2); lbl.ClientSize = new Size(this.Width, 13); lbl.TextAlign = ContentAlignment.MiddleCenter; lbl.Text = m_Text; lbl1.Location = new Point(this.Location.X, this.Location.Y + this.Height + 15); lbl1.ClientSize = new Size(this.Width, 13); lbl1.TextAlign = ContentAlignment.MiddleCenter; lbl1.Text = Value.ToString(); if (minline != 0 && maxline != 0) { float range = this.Maximum - this.Minimum; float range2 = this.Width; Pen redPen = new Pen(Color.Red, 2); SolidBrush mybrush = new SolidBrush(Color.FromArgb(0x40, 0x57, 0x04)); if ((Type)this.GetType() == typeof(VerticalProgressBar2)) { e.ResetTransform(); range2 = this.Height; e.DrawLine(redPen, 0, (this.Maximum - minline) / range * range2 + 0, this.Width, (this.Maximum - minline) / range * range2 + 0); e.DrawLine(redPen, 0, (this.Maximum - maxline) / range * range2 + 6, this.Width, (this.Maximum - maxline) / range * range2 + 6); e.DrawString(minline.ToString(), SystemFonts.DefaultFont, mybrush, 5, (this.Maximum - minline) / range * range2 + 2); e.DrawString(maxline.ToString(), SystemFonts.DefaultFont, Brushes.White, 5, (this.Maximum - maxline) / range * range2 - 10); } else { e.DrawLine(redPen, (minline - this.Minimum) / range * range2 - 0, 0, (minline - this.Minimum) / range * range2 - 0, this.Height); e.DrawLine(redPen, (maxline - this.Minimum) / range * range2 - 0, 0, (maxline - this.Minimum) / range * range2 - 0, this.Height); e.DrawString(minline.ToString(), SystemFonts.DefaultFont, mybrush, (minline - this.Minimum) / range * range2 - 30, 5); e.DrawString(maxline.ToString(), SystemFonts.DefaultFont, Brushes.White, (maxline - this.Minimum) / range * range2 - 0, 5); } } } public int minline { get; set; } public int maxline { get; set; } protected override void OnPaint(PaintEventArgs e) { base.OnPaint(e); drawlbl(e.Graphics); } } public class HorizontalProgressBar : ProgressBar { private string m_Text; int offset = 0; int _min = 0; int _max = 0; int _value = 0; System.Windows.Forms.Label lbl1 = new System.Windows.Forms.Label(); System.Windows.Forms.Label lbl = new System.Windows.Forms.Label(); public HorizontalProgressBar() : base() { drawlbl(); //this.Parent.Controls.AddRange(new Control[] { lbl, lbl1 }); } public new int Value { get { return _value; } set { _value = value; int ans = value + offset; if (ans <= base.Minimum) { ans = base.Minimum + 1; // prevent an exception for the -1 hack } else if (ans >= base.Maximum) { ans = base.Maximum; } base.Value = ans; drawlbl(); base.Value = ans - 1; drawlbl(); base.Value = ans; drawlbl(); } } public new int Minimum { get { return _min; } set { _min = value; if (_min < 0) { base.Minimum = 0; offset = (_max - value) / 2; base.Maximum = _max - value; } else { base.Minimum = value; } if (this.DesignMode) return; if (this.Parent != null) { this.Parent.Controls.Add(lbl); this.Parent.Controls.Add(lbl1); } } } public new int Maximum { get { return _max; } set { _max = value; base.Maximum = value; } } [System.ComponentModel.Browsable(true), System.ComponentModel.Category("Mine"), System.ComponentModel.Description("Text under Bar")] public string Label { get { return m_Text; } set { if (m_Text != value) { m_Text = value; } } } private void drawlbl() { lbl.Location = new Point(this.Location.X, this.Location.Y + this.Height + 2); lbl.ClientSize = new Size(this.Width, 13); lbl.TextAlign = ContentAlignment.MiddleCenter; lbl.Text = m_Text; lbl1.Location = new Point(this.Location.X, this.Location.Y + this.Height + 15); lbl1.ClientSize = new Size(this.Width, 13); lbl1.TextAlign = ContentAlignment.MiddleCenter; lbl1.Text = Value.ToString(); if (minline != 0 && maxline != 0) { float range = this.Maximum - this.Minimum; float range2 = this.Width; Graphics e = this.CreateGraphics(); Pen redPen = new Pen(Color.Red, 2); if ((Type)this.GetType() == typeof(VerticalProgressBar)) { range2 = this.Height; e.DrawLine(redPen, 0, (this.Maximum - minline) / range * range2 + 0, this.Width, (this.Maximum - minline) / range * range2 + 0); e.DrawLine(redPen, 0, (this.Maximum - maxline) / range * range2 + 0, this.Width, (this.Maximum - maxline) / range * range2 + 0); e.DrawString(minline.ToString(), SystemFonts.DefaultFont, Brushes.Black, 5, (this.Maximum - minline) / range * range2 + 2); e.DrawString(maxline.ToString(), SystemFonts.DefaultFont, Brushes.Black, 5, (this.Maximum - maxline) / range * range2 - 15); } else { e.DrawLine(redPen, (minline - this.Minimum) / range * range2 - 3, 0, (minline - this.Minimum) / range * range2 - 3, this.Height); e.DrawLine(redPen, (maxline - this.Minimum) / range * range2 - 3, 0, (maxline - this.Minimum) / range * range2 - 3, this.Height); e.DrawString(minline.ToString(), SystemFonts.DefaultFont, Brushes.Black, (minline - this.Minimum) / range * range2 - 35, 5); e.DrawString(maxline.ToString(), SystemFonts.DefaultFont, Brushes.Black, (maxline - this.Minimum) / range * range2 - 3, 5); } } } public int minline { get; set; } public int maxline { get; set; } protected override void OnPaint(PaintEventArgs e) { base.OnPaint(e); drawlbl(); } } }