TabControl

ArrTabControl.cs

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Security;
using System.Text;
using System.Threading.Tasks;
using Microsoft.VisualBasic;
using System.Drawing.Drawing2D;

class ArrezunTab : TabControl
{
    public ()
    {
        SetStyle(ControlStyles.AllPaintingInWmPaint | ControlStyles.ResizeRedraw | ControlStyles.UserPaint | ControlStyles.DoubleBuffer, true);
        DoubleBuffered = true;
        SizeMode = TabSizeMode.Fixed;
        ItemSize = new Size(44, 136);
    }
    protected override void CreateHandle()
    {
        base.CreateHandle();
        Alignment = TabAlignment.Left;
    }

    private Color C1 = Color.FromArgb(42, 42, 42);
    [Category("Colors")]
    public Color Color1
    {
        get { return C1; }
        set { aC1 = value; }
    }

    private Color C2 = Color.FromArgb(42, 42, 42);
    [Category("Colors")]
    public Color Color2
    {
        get{ return C2; }
        set { C2 = value; }
    }

    private Color C3 = Color.FromArgb(42, 42, 42);
    [Category("Colors")]
    public Color Color3
    {
        get { return C3; }
        set { C3 = value; }
    }

    private Color BC = Color.Gray;
    [Category("Colors")]
    public Color BorderColor
    {
        get { return BC; }
        set { BC = value; } 
    }

    private bool OB = false;
    [Category("Colors")]
    public bool ShowOuterBorders
    {
        get{ return OB; }
        set{ OB = value; }
    }

    private Color shit = Color.FromArgb(17, 16, 24);
    protected override void OnPaint(PaintEventArgs e)
    {
        SolidBrush nana = new SolidBrush(shit);
        Bitmap B = new Bitmap(Width, Height);
        Graphics G = Graphics.FromImage(B);
        // //
        try
        {
            SelectedTab.BackColor = shit;
        }
        catch
        {
        } // tab background color, comment out to set your own color!!!!
        // //
        G.Clear(shit); // set outer stuff
        G.FillRectangle(new SolidBrush(C3), new Rectangle(0, 0, ItemSize.Height + 4, Height));
        if (OB)
        {
            G.DrawLine(new Pen(BC), new Point(Width - 1, 0), new Point(Width - 1, Height - 1));    // comment out to get rid of the borders
            G.DrawLine(new Pen(BC), new Point(ItemSize.Height + 1, 0), new Point(Width - 1, 0));  // comment out to get rid of the borders
            G.DrawLine(new Pen(BC), new Point(ItemSize.Height + 3, Height - 1), new Point(Width - 1, Height - 1)); // comment out to get rid of the borders
        }
        G.DrawLine(BC, new Point(ItemSize.Height + 3, 0), new Point(ItemSize.Height + 3, 999));
        for (var i = 0; i <= TabCount - 1; i++)
        {
            if (i == SelectedIndex)
            {
                Rectangle x2 = new Rectangle(new Point(GetTabRect(i).Location.X - 2, GetTabRect(i).Location.Y - 2), new Size(GetTabRect(i).Width + 3, GetTabRect(i).Height - 1));
                ColorBlend myBlend = new ColorBlend();
                myBlend.Colors = new[] { C1, C2, C1 };
                myBlend.Positions = new[] { 0.0F, 0.5F, 1.0F };
                LinearGradientBrush lgBrush = new LinearGradientBrush(x2, Color.Black, Color.Black, 90.0F);
                lgBrush.InterpolationColors = myBlend;
                G.FillRectangle(lgBrush, x2);
                G.DrawRectangle(BC, x2);

                G.SmoothingMode = SmoothingMode.HighQuality;
                Point[] p = new[] { new Point(ItemSize.Height - 3, GetTabRect(i).Location.Y + 20), new Point(ItemSize.Height + 4, GetTabRect(i).Location.Y + 14), new Point(ItemSize.Height + 4, GetTabRect(i).Location.Y + 27) };

                // G.FillPolygon(nana, p) '
                // G.DrawPolygon(BC, p)

                if (ImageList != null)
                {
                    try
                    {
                        if (ImageList.Images(TabPages[i].ImageIndex) != null)
                        {
                            G.DrawImage(ImageList.Images(TabPages[i].ImageIndex), new Point(x2.Location.X + 8, x2.Location.Y + 6));
                            G.DrawString("  " + TabPages[i].Text, Font, Brushes.White, x2, new StringFormat() { LineAlignment = StringAlignment.Center, Alignment = StringAlignment.Center });
                        }
                        else
                            G.DrawString(TabPages[i].Text, new Font(Font.FontFamily, Font.Size, FontStyle.Bold), Brushes.White, x2, new StringFormat() { LineAlignment = StringAlignment.Center, Alignment = StringAlignment.Center });
                    }
                    catch (Exception ex)
                    {
                        G.DrawString(TabPages[i].Text, new Font(Font.FontFamily, Font.Size, FontStyle.Bold), Brushes.White, x2, new StringFormat() { LineAlignment = StringAlignment.Center, Alignment = StringAlignment.Center });
                    }
                }
                else
                    G.DrawString(TabPages[i].Text, new Font(Font.FontFamily, Font.Size, FontStyle.Bold), Brushes.White, x2, new StringFormat() { LineAlignment = StringAlignment.Center, Alignment = StringAlignment.Center });
            }
            else
            {
                Rectangle x2 = new Rectangle(new Point(GetTabRect(i).Location.X - 2, GetTabRect(i).Location.Y - 2), new Size(GetTabRect(i).Width + 3, GetTabRect(i).Height + 1));
                G.FillRectangle(new SolidBrush(C3), x2);
                G.DrawLine(new Pen(BC), new Point(x2.Right, x2.Top), new Point(x2.Right, x2.Bottom));
                if (ImageList != null)
                {
                    try
                    {
                        if (ImageList.Images(TabPages[i].ImageIndex) != null)
                        {
                            G.DrawImage(ImageList.Images(TabPages[i].ImageIndex), new Point(x2.Location.X + 8, x2.Location.Y + 6));
                            G.DrawString("  " + TabPages[i].Text, Font, Brushes.DimGray, x2, new StringFormat() { LineAlignment = StringAlignment.Center, Alignment = StringAlignment.Center });
                        }
                        else
                            G.DrawString(TabPages[i].Text, Font, Brushes.DimGray, x2, new StringFormat() { LineAlignment = StringAlignment.Center, Alignment = StringAlignment.Center });
                    }
                    catch (Exception ex)
                    {
                        G.DrawString(TabPages[i].Text, Font, Brushes.DimGray, x2, new StringFormat() { LineAlignment = StringAlignment.Center, Alignment = StringAlignment.Center });
                    }
                }
                else
                    G.DrawString(TabPages[i].Text, Font, Brushes.DimGray, x2, new StringFormat() { LineAlignment = StringAlignment.Center, Alignment = StringAlignment.Center });
            }
        }

        e.Graphics.DrawImage(B.Clone, 0, 0);
        G.Dispose(); B.Dispose();
    }
}