/// <summary>
        /// 渲染标签样式分组控件背景色
        /// </summary>
        /// <param name="rect">渲染区域</param>
        /// <param name="tabSize">左上角标签大小</param>
        /// <param name="tabRound">标签右上角是否发圆角</param>
        /// <param name="tabRadius">标签右上角圆角半径</param>
        public void RenderBackColorGroupBoxTab(Rectangle rect, Size tabSize, bool tabRound, float tabRadius)
        {
            this.m_BackColorRect = rect;

            if (this.m_State == State.Hidden || !RectangleEx.IsVisible(this.m_BackColorRect))
            {
                return;
            }

            using (Brush brush = RenderEngine.CreateBrush(this.CurrentBackColorBrushRect, this.CurrentBackColor, this.m_BackColorPos1, this.m_BackColorPos2, this.CurrentBackColorReverse, this.CurrentBackColorMode, this.m_BackColorBlendStyle))
            {
                //校正背景区域
                if (this.m_InnerBorderVisibleStyle != BorderVisibleStyle.None)
                {
                    tabSize.Width -= 4;
                }
                else if (this.m_BorderVisibleStyle != BorderVisibleStyle.None)
                {
                    tabSize.Width -= 2;
                }
                using (GraphicsPath path = RenderEngine.CreateGroupBoxTabGraphicsPath(this.CurrentBackColorPathRect, this.m_RoundStyle, this.m_RoundRadius, tabSize, tabRound, tabRadius, false))
                {
                    this.m_Graphics.SetClip(path, CombineMode.Intersect);
                    this.m_Graphics.FillPath(brush, path);
                }
            }
        }
        /// <summary>
        /// 渲染标签样式分组控件边框色
        /// </summary>
        /// <param name="rect">渲染区域</param>
        /// <param name="tabSize">左上角标签大小</param>
        /// <param name="tabRound">标签右上角是否发圆角</param>
        /// <param name="tabRadius">标签右上角圆角半径</param>
        public void RenderBorderColorGroupBoxTab(Rectangle rect, Size tabSize, bool tabRound, float tabRadius)
        {
            this.m_BorderColorRect = rect;

            if (this.m_State == State.Hidden || !RectangleEx.IsVisible(this.m_BorderColorRect))
            {
                return;
            }

            //重置剪切区
            this.m_Graphics.SetClip(this.m_GraphicsClip, CombineMode.Replace);

            //绘制内边框
            if (this.m_InnerBorderVisibleStyle != BorderVisibleStyle.None)
            {
                using (Brush brush = RenderEngine.CreateBrush(this.CurrentInnerBorderBrushRect, this.CurrentInnerBorderColor, this.m_InnerBorderColorPos1, this.m_InnerBorderColorPos2, this.CurrentBackColorReverse, this.CurrentBackColorMode, this.m_InnerBorderBlendStyle))
                {
                    using (Pen pen = RenderEngine.CreatePen(brush, 1, this.m_InnerBorderDashStyle, this.m_InnerBorderDashPattern, this.m_InnerBorderDashCap, this.m_InnerBorderDashOffset))
                    {
                        Size innerBorderTabSize = new Size(tabSize.Width - 3, tabSize.Height);
                        using (GraphicsPath path = RenderEngine.CreateGroupBoxTabGraphicsPath(this.CurrentInnerBorderPathRect, this.m_RoundStyle, this.m_RoundRadius, innerBorderTabSize, tabRound, tabRadius, false))
                        {
                            this.m_Graphics.DrawPath(pen, path);
                        }
                    }
                }
            }

            //绘制边框
            if (this.m_BorderVisibleStyle != BorderVisibleStyle.None)
            {
                using (Brush brush = RenderEngine.CreateBrush(this.CurrentBorderBrushRect, this.CurrentBorderColor, this.m_BorderColorPos1, this.m_BorderColorPos2, this.CurrentBackColorReverse, this.CurrentBackColorMode, this.m_BorderBlendStyle))
                {
                    using (Pen pen = RenderEngine.CreatePen(brush, 1, this.m_BorderDashStyle, this.m_BorderDashPattern, this.m_BorderDashCap, this.m_BorderDashOffset))
                    {
                        Size borderTabSize = new Size(tabSize.Width - 1, tabSize.Height);
                        using (GraphicsPath path = RenderEngine.CreateGroupBoxTabGraphicsPath(this.CurrentBorderPathRect, this.m_RoundStyle, this.m_RoundRadius, borderTabSize, tabRound, tabRadius, false))
                        {
                            this.m_Graphics.DrawPath(pen, path);
                        }
                    }
                }
            }
        }