xlinklabel.cs

破解的飞信源代码

namespace Imps.Client.Pc.Controls
{
    using Microsoft.Win32;
    using System;
    using System.ComponentModel;
    using System.Drawing;
    using System.Globalization;
    using System.Runtime.CompilerServices;
    using System.Windows.Forms;

    [DefaultEvent("LinkClicked")]
    public class XLinkLabel : XLabel1
    {
        private Color _ieDefaultColor = Color.Empty;
        private Color _ieHoverForeColor = Color.Empty;
        private System.Windows.Forms.LinkBehavior _ieLinkBehavior;
        private System.Windows.Forms.LinkBehavior _linkBehavior = System.Windows.Forms.LinkBehavior.AlwaysUnderline;
        private Color _linkColor = Color.Blue;

        public event LinkLabelLinkClickedEventHandler LinkClicked;

        public XLinkLabel()
        {
            this.Cursor = Cursors.Hand;
        }

        private void EnsureFontAndForeColor()
        {
            this.ForeColor = this.GetForeColor();
            this.Font = this.GetFont();
        }

        private Font GetFont()
        {
            switch (this.GetLinkBehavior())
            {
                case System.Windows.Forms.LinkBehavior.HoverUnderline:
                    if (!base.IsMouseOver)
                    {
                        return new Font(this.Font.FontFamily.Name, this.Font.Size, FontStyle.Regular);
                    }
                    return new Font(this.Font.FontFamily.Name, this.Font.Size, this.Font.Style | FontStyle.Underline);

                case System.Windows.Forms.LinkBehavior.NeverUnderline:
                    return new Font(this.Font.FontFamily.Name, this.Font.Size, FontStyle.Regular);
            }
            return new Font(this.Font.FontFamily.Name, this.Font.Size, this.Font.Style | FontStyle.Underline);
        }

        private Color GetForeColor()
        {
            if (this.LinkBehavior == System.Windows.Forms.LinkBehavior.SystemDefault)
            {
                if (base.IsMouseOver)
                {
                    if (this._ieHoverForeColor == Color.Empty)
                    {
                        this._ieHoverForeColor = this.GetIEColor("Anchor Color Hover");
                    }
                    return this._ieHoverForeColor;
                }
                if (this._ieDefaultColor == Color.Empty)
                {
                    this._ieDefaultColor = this.GetIEColor("Anchor Color");
                }
            }
            return this._linkColor;
        }

        private Color GetIEColor(string name)
        {
            Color foreColor = this.ForeColor;
            RegistryKey key = Registry.CurrentUser.OpenSubKey(@"Software\Microsoft\Internet Explorer\Settings");
            if (key != null)
            {
                string text = (string) key.GetValue(name);
                if (text != null)
                {
                    string[] textArray = text.Split(new char[] { ',' });
                    int[] numArray = new int[3];
                    int num = Math.Min(numArray.Length, textArray.Length);
                    for (int i = 0; i < num; i++)
                    {
                        int.TryParse(textArray[i], ref numArray[i]);
                    }
                    return Color.FromArgb(numArray[0], numArray[1], numArray[2]);
                }
            }
            if (string.Equals(name, "Anchor Color", 5))
            {
                return Color.Blue;
            }
            if (string.Equals(name, "Anchor Color Visited", 5))
            {
                return Color.Purple;
            }
            if (!string.Equals(name, "Anchor Color Hover", 5))
            {
            }
            return Color.Red;
        }

        private System.Windows.Forms.LinkBehavior GetIELinkBehavior()
        {
            if (this._ieLinkBehavior != System.Windows.Forms.LinkBehavior.SystemDefault)
            {
                return this._ieLinkBehavior;
            }
            RegistryKey key = Registry.CurrentUser.OpenSubKey(@"Software\Microsoft\Internet Explorer\Main");
            if (key != null)
            {
                string strA = (string) key.GetValue("Anchor Underline");
                if ((strA != null) && (string.Compare(strA, "no", true, CultureInfo.InvariantCulture) == 0))
                {
                    return System.Windows.Forms.LinkBehavior.NeverUnderline;
                }
                if ((strA != null) && (string.Compare(strA, "hover", true, CultureInfo.InvariantCulture) == 0))
                {
                    return System.Windows.Forms.LinkBehavior.HoverUnderline;
                }
            }
            return System.Windows.Forms.LinkBehavior.AlwaysUnderline;
        }

        private System.Windows.Forms.LinkBehavior GetLinkBehavior()
        {
            if (this.LinkBehavior == System.Windows.Forms.LinkBehavior.SystemDefault)
            {
                return this.GetIELinkBehavior();
            }
            return this.LinkBehavior;
        }

        protected override void OnClick(EventArgs e)
        {
            base.OnClick(e);
            if ((this.ForeColor != this.GetForeColor()) || (this.Font != this.GetFont()))
            {
                base.Invalidate();
            }
        }

        protected virtual void OnLinkClicked(LinkLabelLinkClickedEventArgs e)
        {
            if (this.LinkClicked != null)
            {
                this.LinkClicked(this, e);
            }
        }

        protected override void OnMouseClick(MouseEventArgs e)
        {
            base.OnMouseClick(e);
            LinkLabel.Link link = new LinkLabel.Link();
            link.set_Name(base.Name);
            link.set_Description(this.Text);
            this.OnLinkClicked(new LinkLabelLinkClickedEventArgs(link, e.Button));
        }

        protected override void OnMouseLeave(EventArgs e)
        {
            base.OnMouseLeave(e);
            if ((this.ForeColor != this.GetForeColor()) || (this.Font.Style != this.GetFont().Style))
            {
                base.Invalidate();
            }
        }

        protected override void OnMouseMove(MouseEventArgs e)
        {
            base.OnMouseMove(e);
            if ((this.ForeColor != this.GetForeColor()) || (this.Font.Style != this.GetFont().Style))
            {
                base.Invalidate();
            }
        }

        protected override void OnPaintControl(PaintEventArgs e)
        {
            this.EnsureFontAndForeColor();
            base.OnPaintControl(e);
        }

        [Description("超链接的下划线行为"), Category("设计")]
        public System.Windows.Forms.LinkBehavior LinkBehavior
        {
            get
            {
                return this._linkBehavior;
            }
            set
            {
                if (this._linkBehavior != value)
                {
                    this._linkBehavior = value;
                    base.Invalidate();
                }
            }
        }

        [Category("设计"), Description("超链接默认字体的颜色")]
        public Color LinkColor
        {
            get
            {
                return this._linkColor;
            }
            set
            {
                if (this._linkColor != value)
                {
                    this._linkColor = value;
                    base.Invalidate();
                }
            }
        }
    }
}