c# tabcontrol 隐藏索引标签,代码是现成的组件

来源：互联网发布：淘宝代刷销量编辑：程序博客网时间：2024/05/16 15:25
using System.ComponentModel;using System.Drawing;using System.Windows.Forms;namespace Dotnetrix.Samples.CSharp{    [ToolboxBitmap(typeof(System.Windows.Forms.TabControl))]    public class TabControl : System.Windows.Forms.TabControl    {        private bool m_HideTabs = false;                [DefaultValue(false)]        [RefreshProperties(RefreshProperties.All)]        public bool HideTabs        {            get{return m_HideTabs;}            set            {                if (m_HideTabs == value) return;                m_HideTabs = value;                if (value == true) this.Multiline = true;                this.UpdateStyles();            }        }                [RefreshProperties(RefreshProperties.All)]        public new bool Multiline         {            get            {                if (this.HideTabs) return true;                return base.Multiline;            }            set            {               if (this.HideTabs)                    base.Multiline = true;                else                    base.Multiline = value;            }        }                public override System.Drawing.Rectangle DisplayRectangle        {            get            {                if (this.HideTabs)                    return new Rectangle(0, 0, Width, Height);                else                {                    int tabStripHeight, itemHeight;                    if (this.Alignment <= TabAlignment.Bottom)                        itemHeight = this.ItemSize.Height;                    else                        itemHeight = this.ItemSize.Width;                    if (this.Appearance == TabAppearance.Normal)                        tabStripHeight = 5 + (itemHeight * this.RowCount);                    else                        tabStripHeight = (3 + itemHeight) * this.RowCount;                    switch (this.Alignment)                    {                        case TabAlignment.Bottom:                            return new Rectangle(4, 4, Width - 8, Height - tabStripHeight - 4);                        case TabAlignment.Left:                            return new Rectangle(tabStripHeight, 4, Width - tabStripHeight - 4, Height - 8);                        case TabAlignment.Right:                            return new Rectangle(4, 4, Width - tabStripHeight - 4, Height - 8);                        default:                            return new Rectangle(4, tabStripHeight, Width - 8, Height - tabStripHeight - 4);                    }                }                            }                    }            }}