RealSys.MotionPlat/Rs.Controls/TabControlEx.cs

using System;
using System.Collections.Generic;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace Rs.Controls
{
    public class TabControlEx : TabControl
    {
        public TabControlEx()
        {
            SizeMode = TabSizeMode.Fixed;
            ItemSize = new System.Drawing.Size(50, 30);
            this.DrawItem += (s, e) => {
                SolidBrush _Brush = new SolidBrush(Color.White);//单色画刷
                RectangleF _TabTextArea = (RectangleF)this.GetTabRect(e.Index);//绘制区域
                StringFormat _sf = new StringFormat();//封装文本布局格式信息
                _sf.LineAlignment = StringAlignment.Center;
                _sf.Alignment = StringAlignment.Center;
                Rectangle rec01 = this.ClientRectangle;
                //设置工作区背景色
                e.Graphics.FillRectangle(new SolidBrush(Color.FromArgb(11, 16, 36)), rec01);
                //e.Graphics.FillRectangle(new SolidBrush(Color.Blue), _TabTextArea);
                //e.Graphics.DrawString(this.Controls[e.Index].Text, this.Font, _Brush, _TabTextArea, _sf);

                for (int i = 0; i < this.TabPages.Count; i++)
                {
                    if (this.SelectedIndex == i)
                    {
                        //绑定选项卡
                        Rectangle rec = this.GetTabRect(i);
                        //设置选项卡背景
                        //e.Graphics.FillRectangle(back, rec);
                        //e.Graphics.FillRectangle(new SolidBrush(Color.FromArgb(57, 136, 203)), rec);
                        e.Graphics.FillRectangle(new SolidBrush(Color.Green), rec);
                        e.Graphics.DrawRectangle(new Pen(new SolidBrush(Color.White)), rec);
                        //设置选项卡字体及颜色
                        e.Graphics.DrawString(this.TabPages[i].Text, new Font("微软雅黑", 9), _Brush, rec, _sf);
                    }
                    else
                    {
                        //绑定选项卡
                        Rectangle rec = this.GetTabRect(i);
                        //设置选项卡背景
                        //e.Graphics.FillRectangle(back, rec);
                        e.Graphics.FillRectangle(new SolidBrush(Color.Black), rec);
                        e.Graphics.DrawRectangle(new Pen(new SolidBrush(Color.White)), rec);
                        //设置选项卡字体及颜色
                        e.Graphics.DrawString(this.TabPages[i].Text, new Font("微软雅黑", 9), _Brush, rec, _sf);

                    }
                }
            };
        }
    }
}