add Trackbar

HZH_Controls/HZH_Controls/Controls/TrackBar/UCTrackBar.cs

+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Windows.Forms;
+using System.Drawing;
+using System.Drawing.Drawing2D;
+using System.ComponentModel;
+
+namespace HZH_Controls.Controls
+{
+    public class UCTrackBar : Control
+    {
+        [Description("值改变事件"), Category("自定义")]
+        public event EventHandler ValueChanged;
+
+        private int dcimalDigits = 0;
+
+        [Description("值小数精确位数"), Category("自定义")]
+        public int DcimalDigits
+        {
+            get { return dcimalDigits; }
+            set { dcimalDigits = value; }
+        }
+
+        private float lineWidth = 10;
+
+        [Description("线宽度"), Category("自定义")]
+        public float LineWidth
+        {
+            get { return lineWidth; }
+            set { lineWidth = value; }
+        }
+
+        private float minValue = 0;
+
+        [Description("最小值"), Category("自定义")]
+        public float MinValue
+        {
+            get { return minValue; }
+            set
+            {
+                if (minValue > m_value)
+                    return;
+                minValue = value;
+                this.Refresh();
+            }
+        }
+
+        private float maxValue = 100;
+
+        [Description("最大值"), Category("自定义")]
+        public float MaxValue
+        {
+            get { return maxValue; }
+            set
+            {
+                if (value < m_value)
+                    return;
+                maxValue = value;
+                this.Refresh();
+            }
+        }
+
+        private float m_value = 0;
+
+        [Description("值"), Category("自定义")]
+        public float Value
+        {
+            get { return this.m_value; }
+            set
+            {
+                if (value > maxValue || value < minValue)
+                    return;
+                var v = (float)Math.Round((double)value, dcimalDigits);
+                if (value == v)
+                    return;
+                this.m_value = v;
+                this.Refresh();
+                if (ValueChanged != null)
+                {
+                    ValueChanged(this, null);
+                }
+            }
+        }
+
+        private Color m_lineColor = Color.FromArgb(255, 77, 59);
+
+        [Description("线颜色"), Category("自定义")]
+        public Color LineColor
+        {
+            get { return m_lineColor; }
+            set
+            {
+                m_lineColor = value;
+                this.Refresh();
+            }
+        }
+        RectangleF m_lineRectangle;
+        RectangleF m_trackRectangle;
+
+        public UCTrackBar()
+        {
+            this.Size = new Size(250, 30);
+            this.SetStyle(ControlStyles.AllPaintingInWmPaint, true);
+            this.SetStyle(ControlStyles.DoubleBuffer, true);
+            this.SetStyle(ControlStyles.ResizeRedraw, true);
+            this.SetStyle(ControlStyles.Selectable, true);
+            this.SetStyle(ControlStyles.SupportsTransparentBackColor, true);
+            this.SetStyle(ControlStyles.UserPaint, true);
+            this.MouseDown += UCTrackBar_MouseDown;
+            this.MouseMove += UCTrackBar_MouseMove;
+            this.MouseUp += UCTrackBar_MouseUp;
+        }
+
+        bool blnDown = false;
+        void UCTrackBar_MouseDown(object sender, MouseEventArgs e)
+        {
+            if (m_lineRectangle.Contains(e.Location) || m_trackRectangle.Contains(e.Location))
+            {
+                blnDown = true;
+                Value = ((float)e.Location.X / (float)this.Width) * (maxValue - minValue);
+            }
+        }
+        void UCTrackBar_MouseMove(object sender, MouseEventArgs e)
+        {
+            if (blnDown)
+            {
+                Value = ((float)e.Location.X / (float)this.Width) * (maxValue - minValue);
+            }
+        }
+        void UCTrackBar_MouseUp(object sender, MouseEventArgs e)
+        {
+            blnDown = false;
+        }
+
+
+        protected override void OnPaint(PaintEventArgs e)
+        {
+            base.OnPaint(e);
+            Graphics g = e.Graphics;
+            g.SetGDIHigh();
+            m_lineRectangle = new RectangleF(lineWidth, (this.Size.Height - lineWidth) / 2, this.Size.Width - lineWidth * 2, lineWidth);
+            GraphicsPath pathLine = ControlHelper.CreateRoundedRectanglePath(m_lineRectangle, 5);
+            g.FillPath(new SolidBrush(m_lineColor), pathLine);
+            m_trackRectangle = new RectangleF(m_lineRectangle.Left - lineWidth + (((float)m_value / (float)(maxValue - minValue)) * (this.Size.Width - lineWidth * 2)), (this.Size.Height - lineWidth * 2) / 2, lineWidth * 2, lineWidth * 2);
+            g.FillEllipse(new SolidBrush(m_lineColor), m_trackRectangle);
+            g.FillEllipse(Brushes.White, new RectangleF(m_trackRectangle.X + m_trackRectangle.Width / 4, m_trackRectangle.Y + m_trackRectangle.Height / 4, m_trackRectangle.Width / 2, m_trackRectangle.Height / 2));
+        }
+    }
+}

HZH_Controls/HZH_Controls/HZH_Controls.csproj

@@ -185,6 +185,9 @@
     <Compile Include="Controls\Tab\TabControlExt.cs">
       <SubType>Component</SubType>
     </Compile>
+    <Compile Include="Controls\TrackBar\UCTrackBar.cs">
+      <SubType>Component</SubType>
+    </Compile>
     <Compile Include="Controls\Wave\UCWaveChart.cs">
       <SubType>UserControl</SubType>
     </Compile>

HZH_Controls/HZH_Controls/Helpers/ControlHelper.cs

@@ -663,5 +663,20 @@ namespace HZH_Controls
             roundedRect.CloseFigure();
             return roundedRect;
         }
+
+        public static GraphicsPath CreateRoundedRectanglePath(RectangleF rect, int cornerRadius)
+        {
+            GraphicsPath roundedRect = new GraphicsPath();
+            roundedRect.AddArc(rect.X, rect.Y, cornerRadius * 2, cornerRadius * 2, 180, 90);
+            roundedRect.AddLine(rect.X + cornerRadius, rect.Y, rect.Right - cornerRadius * 2, rect.Y);
+            roundedRect.AddArc(rect.X + rect.Width - cornerRadius * 2, rect.Y, cornerRadius * 2, cornerRadius * 2, 270, 90);
+            roundedRect.AddLine(rect.Right, rect.Y + cornerRadius * 2, rect.Right, rect.Y + rect.Height - cornerRadius * 2);
+            roundedRect.AddArc(rect.X + rect.Width - cornerRadius * 2, rect.Y + rect.Height - cornerRadius * 2, cornerRadius * 2, cornerRadius * 2, 0, 90);
+            roundedRect.AddLine(rect.Right - cornerRadius * 2, rect.Bottom, rect.X + cornerRadius * 2, rect.Bottom);
+            roundedRect.AddArc(rect.X, rect.Bottom - cornerRadius * 2, cornerRadius * 2, cornerRadius * 2, 90, 90);
+            roundedRect.AddLine(rect.X, rect.Bottom - cornerRadius * 2, rect.X, rect.Y + cornerRadius * 2);
+            roundedRect.CloseFigure();
+            return roundedRect;
+        }
     }
 }

HZH_Controls/Test/Form2.Designer.cs

@@ -37,6 +37,7 @@
             this.label2 = new System.Windows.Forms.Label();
             this.trackBar3 = new System.Windows.Forms.TrackBar();
             this.label3 = new System.Windows.Forms.Label();
+            this.ucTrackBar1 = new HZH_Controls.Controls.UCTrackBar();
             this.ucProcessWave2 = new HZH_Controls.Controls.UCProcessWave();
             this.ucProcessWave1 = new HZH_Controls.Controls.UCProcessWave();
             this.ucWaveWithSource1 = new HZH_Controls.Controls.UCWaveWithSource();
@@ -135,6 +136,18 @@
             this.label3.TabIndex = 9;
             this.label3.Text = "波宽";
             // 
+            // ucTrackBar1
+            // 
+            this.ucTrackBar1.LineWidth = 10;
+            this.ucTrackBar1.Location = new System.Drawing.Point(833, 403);
+            this.ucTrackBar1.MaxValue = 100;
+            this.ucTrackBar1.MinValue = 0;
+            this.ucTrackBar1.Name = "ucTrackBar1";
+            this.ucTrackBar1.Size = new System.Drawing.Size(212, 32);
+            this.ucTrackBar1.TabIndex = 12;
+            this.ucTrackBar1.Text = "ucTrackBar1";
+            this.ucTrackBar1.Value = 100;
+            // 
             // ucProcessWave2
             // 
             this.ucProcessWave2.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(197)))), ((int)(((byte)(229)))), ((int)(((byte)(250)))));
@@ -497,6 +510,7 @@
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.None;
             this.BackColor = System.Drawing.Color.White;
             this.ClientSize = new System.Drawing.Size(1438, 594);
+            this.Controls.Add(this.ucTrackBar1);
             this.Controls.Add(this.ucProcessWave2);
             this.Controls.Add(this.ucProcessWave1);
             this.Controls.Add(this.ucWaveWithSource1);
@@ -567,6 +581,7 @@
         private HZH_Controls.Controls.UCWaveWithSource ucWaveWithSource1;
         private HZH_Controls.Controls.UCProcessWave ucProcessWave1;
         private HZH_Controls.Controls.UCProcessWave ucProcessWave2;
+        private HZH_Controls.Controls.UCTrackBar ucTrackBar1;
      
     }
 }
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