DNS Changer v1.0.0

Committed project files.

DNS Changer/App.config

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+<?xml version="1.0" encoding="utf-8" ?>
+<configuration>
+    <configSections>
+        <sectionGroup name="userSettings" type="System.Configuration.UserSettingsGroup, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" >
+            <section name="DNS_Changer.Data" type="System.Configuration.ClientSettingsSection, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" allowExeDefinition="MachineToLocalUser" requirePermission="false" />
+        </sectionGroup>
+    </configSections>
+    <startup> 
+        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.8" />
+    </startup>
+    <userSettings>
+        <DNS_Changer.Data>
+            <setting name="IP1" serializeAs="String">
+                <value />
+            </setting>
+            <setting name="IP2" serializeAs="String">
+                <value />
+            </setting>
+        </DNS_Changer.Data>
+    </userSettings>
+</configuration>

DNS Changer/CustomPanel.cs

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+using System.Drawing.Drawing2D;
+using System.Drawing;
+using System.Windows.Forms;
+
+namespace DNS_Changer
+{
+    public partial class CustomPanel : Panel
+    {
+        private Panel panel;
+
+        private Color borderColor = Color.MediumSlateBlue;
+        private Color borderFocusColor = Color.HotPink;
+        private int borderSize = 2;
+        private bool underlinedStyle = false;
+        private bool isFocused = false;
+
+        private int borderRadius = 0;
+
+
+        public Color BorderColor
+        {
+            get { return borderColor; }
+            set
+            {
+                borderColor = value;
+                this.Invalidate();
+            }
+        }
+
+        public Color BorderFocusColor
+        {
+            get { return borderFocusColor; }
+            set { borderFocusColor = value; }
+        }
+
+        public int BorderSize
+        {
+            get { return borderSize; }
+            set
+            {
+                if (value >= 1)
+                {
+                    borderSize = value;
+                    this.Invalidate();
+                }
+            }
+        }
+
+        public bool UnderlinedStyle
+        {
+            get { return underlinedStyle; }
+            set
+            {
+                underlinedStyle = value;
+                this.Invalidate();
+            }
+        }
+
+        public override Color ForeColor
+        {
+            get { return base.ForeColor; }
+            set
+            {
+                base.ForeColor = value;
+                panel.ForeColor = value;
+            }
+        }
+
+
+        public int BorderRadius
+        {
+            get { return borderRadius; }
+            set
+            {
+                if (value >= 0)
+                {
+                    borderRadius = value;
+                    this.Invalidate();//Redraw control
+                }
+            }
+        }
+
+        protected override void OnPaint(PaintEventArgs e)
+        {
+            base.OnPaint(e);
+            Graphics graph = e.Graphics;
+
+            if (borderRadius > 1)//Rounded TextBox
+            {
+                //-Fields
+                var rectBorderSmooth = this.ClientRectangle;
+                var rectBorder = Rectangle.Inflate(rectBorderSmooth, -borderSize, -borderSize);
+                int smoothSize = borderSize > 0 ? borderSize : 1;
+
+                using (GraphicsPath pathBorderSmooth = GetFigurePath(rectBorderSmooth, borderRadius))
+                using (GraphicsPath pathBorder = GetFigurePath(rectBorder, borderRadius - borderSize))
+                using (Pen penBorderSmooth = new Pen(this.Parent.BackColor, smoothSize))
+                using (Pen penBorder = new Pen(borderColor, borderSize))
+                {
+                    //-Drawing
+                    this.Region = new Region(pathBorderSmooth);//Set the rounded region of UserControl
+                    if (borderRadius > 15) SetTextBoxRoundedRegion();//Set the rounded region of TextBox component
+                    graph.SmoothingMode = SmoothingMode.AntiAlias;
+                    penBorder.Alignment = System.Drawing.Drawing2D.PenAlignment.Center;
+                    if (isFocused) penBorder.Color = borderFocusColor;
+
+                    if (underlinedStyle) //Line Style
+                    {
+                        //Draw border smoothing
+                        graph.DrawPath(penBorderSmooth, pathBorderSmooth);
+                        //Draw border
+                        graph.SmoothingMode = SmoothingMode.None;
+                        graph.DrawLine(penBorder, 0, this.Height - 1, this.Width, this.Height - 1);
+                    }
+                    else //Normal Style
+                    {
+                        //Draw border smoothing
+                        graph.DrawPath(penBorderSmooth, pathBorderSmooth);
+                        //Draw border
+                        graph.DrawPath(penBorder, pathBorder);
+                    }
+                }
+            }
+        }
+        private void SetTextBoxRoundedRegion()
+        {
+            GraphicsPath pathTxt;
+
+
+            pathTxt = GetFigurePath(panel.ClientRectangle, borderSize * 2);
+            panel.Region = new Region(pathTxt);
+
+            pathTxt.Dispose();
+        }
+        private GraphicsPath GetFigurePath(Rectangle rect, int radius)
+        {
+            GraphicsPath path = new GraphicsPath();
+            float curveSize = radius * 2F;
+
+            path.StartFigure();
+            path.AddArc(rect.X, rect.Y, curveSize, curveSize, 180, 90);
+            path.AddArc(rect.Right - curveSize, rect.Y, curveSize, curveSize, 270, 90);
+            path.AddArc(rect.Right - curveSize, rect.Bottom - curveSize, curveSize, curveSize, 0, 90);
+            path.AddArc(rect.X, rect.Bottom - curveSize, curveSize, curveSize, 90, 90);
+            path.CloseFigure();
+            return path;
+        }
+    }
+}