分享一个 C# Winfrom 下的 OutlookBar 控件的使用

最近在上网的时候，发现了这个C# 下的 OutlookBar 控件，看了一下感觉还真不错，特此记录一下。

using System;
using System.Drawing;
using System.Windows.Forms;

namespace OutLookBarDemo
{
    internal class BandTagInfo
    {
        public OutlookBar outlookBar;
        public int index;

        public BandTagInfo(OutlookBar ob, int index)
        {
            outlookBar=ob;
            this.index=index;
        }
    }

    public class OutlookBar : Panel
    {
        private int buttonHeight;
        private int selectedBand;
        private int selectedBandHeight;
       
        public int ButtonHeight
        {
            get
            {
                return buttonHeight;
            }

            set
            {
                buttonHeight=value;
                // do recalc layout for entire bar
            }
        }

        public int SelectedBand
        {
            get
            {
                return selectedBand;
            }
            set
            {
                SelectBand(value);
            }
        }

        public OutlookBar()
        {
            buttonHeight=25;
            selectedBand=0;
            selectedBandHeight=0;
        }

        public void Initialize()
        {
            //parent Panel 必须存在不能删除
            //this.BorderStyle = BorderStyle.None;
            Parent.SizeChanged+=new EventHandler(SizeChangedEvent);
        }

        public void AddBand(string caption, ContentPanel content)
        {
            content.outlookBar=this;
            int index=Controls.Count;
            BandTagInfo bti=new BandTagInfo(this, index);
            BandPanel bandPanel=new BandPanel(caption, content, bti);
            Controls.Add(bandPanel);
            UpdateBarInfo();
            RecalcLayout(bandPanel, index);
        }

        public void SelectBand(int index)
        {
            selectedBand=index;
            RedrawBands();
        }

        private void RedrawBands()
        {
            for (int i=0; i<Controls.Count; i++)
            {
                BandPanel bp=Controls[i] as BandPanel;
                RecalcLayout(bp, i);
            }
        }

        private void UpdateBarInfo()
        {
            selectedBandHeight=ClientRectangle.Height-(Controls.Count * buttonHeight);
        }

        private void RecalcLayout(BandPanel bandPanel, int index)
        {
            int vPos=(index <= selectedBand) ? buttonHeight*index : buttonHeight*index+selectedBandHeight;
            int height=selectedBand==index ? selectedBandHeight+buttonHeight : buttonHeight;

            // the band dimensions
            bandPanel.Location=new Point(0, vPos);
            bandPanel.Size=new Size(ClientRectangle.Width, height);

            // the contained button dimensions
            bandPanel.Controls[0].Location=new Point(0, 0);
            bandPanel.Controls[0].Size=new Size(ClientRectangle.Width, buttonHeight);

            // the contained content panel dimensions
            bandPanel.Controls[1].Location=new Point(0, buttonHeight);
            bandPanel.Controls[1].Size=new Size(ClientRectangle.Width-2, height-8);
        }

        private void SizeChangedEvent(object sender, EventArgs e)
        {
            Size=new Size(Size.Width, ((Control)sender).ClientRectangle.Size.Height);
            UpdateBarInfo();
            RedrawBands();
        }
    }

    internal class BandPanel : Panel
    {
        public BandPanel(string caption, ContentPanel content, BandTagInfo bti)
        {
            
            BandButton bandButton=new BandButton(caption, bti);
            Controls.Add(bandButton);
            Controls.Add(content);
        }
    }

    internal class BandButton : Button
    {
        private BandTagInfo bti;

        public BandButton(string caption, BandTagInfo bti)
        {
            Text=caption;
            FlatStyle=FlatStyle.Standard;
            Visible=true;
            this.bti=bti;            
            Click+=new EventHandler(SelectBand);
        }

        private void SelectBand(object sender, EventArgs e)
        {
            bti.outlookBar.SelectBand(bti.index);
        }
    }

    public abstract class ContentPanel : Panel
    {
        public OutlookBar outlookBar;

        public ContentPanel()
        {
            // initial state
            Visible=true;
        }
    }

    public class IconPanel : ContentPanel
    {
        protected int iconSpacing;
        protected int margin;

        public int IconSpacing
        {
            get
            {
                return iconSpacing;
            }
        }

        public int Margin
        {
            get
            {
                return margin;
            }
        }

        public IconPanel()
        {
            margin=20;
            //这里是调节图标间距的
            iconSpacing = 32 + 15 + 20;    // icon height + text height + margin
            BackColor=Color.LightBlue;
            AutoScroll=true;
        }

        public void AddIcon(string caption, Image image, EventHandler onClickEvent)
        {
            int index=Controls.Count/2;    // two entries per icon
            PanelIcon panelIcon=new PanelIcon(this, image, index, onClickEvent);
            Controls.Add(panelIcon);

            Label label=new Label();
            label.Text=caption;
            label.Visible=true;
            label.Location = new Point(0, margin + image.Size.Height + index * iconSpacing+5);
            label.Size=new Size(Size.Width, 15);
            label.TextAlign=ContentAlignment.BottomCenter;
            label.Click+=onClickEvent;
            label.Tag=panelIcon;
            Controls.Add(label);
        }
    }

    public class PanelIcon : PictureBox
    {
        public int index;
        public IconPanel iconPanel;

        private Color bckgColor;
        private bool mouseEnter;

        public int Index
        {
            get
            {
                return index;
            }
        }

        public PanelIcon(IconPanel parent, Image image, int index, EventHandler onClickEvent)
        {
            this.index=index;
            this.iconPanel=parent;
            Image=image;
            Visible=true;
            Location=new Point(iconPanel.outlookBar.Size.Width/2-image.Size.Width/2,
                            iconPanel.Margin + index*iconPanel.IconSpacing);
            Size=image.Size;
            Click+=onClickEvent;
            Tag=this;

            MouseEnter+=new EventHandler(OnMouseEnter);
            MouseLeave+=new EventHandler(OnMouseLeave);
            MouseMove+=new MouseEventHandler(OnMouseMove);

            bckgColor=iconPanel.BackColor;
            mouseEnter=false;
        }

        private void OnMouseMove(object sender, MouseEventArgs args)
        {
            if ( (args.X < Size.Width-2) &&
                (args.Y < Size.Width-2) &&
                (!mouseEnter) )
            {
                BackColor=Color.LightCyan;
                BorderStyle=BorderStyle.FixedSingle;
                Location=Location-new Size(1, 1);
                mouseEnter=true;
            }
        }

        private void OnMouseEnter(object sender, EventArgs e)
        {
        }

        private void OnMouseLeave(object sender, EventArgs e)
        {
            if (mouseEnter)
            {
                BackColor=bckgColor;
                BorderStyle=BorderStyle.None;
                Location=Location+new Size(1, 1);
                mouseEnter=false;
            }
        }
    }
}

OutlookBar 组件代码

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace OutLookBarDemo
{
    public partial class FrmMain : Form
    {
        public FrmMain()
        {
            InitializeComponent();

            #region 初始化 OutLookBar
            outlookBar.BorderStyle = BorderStyle.FixedSingle;
            outlookBar.Initialize();
            IconPanel iconPanel1 = new IconPanel();
            IconPanel iconPanel2 = new IconPanel();
            IconPanel iconPanel3 = new IconPanel();

            outlookBar.AddBand("工具条A", iconPanel1);
            outlookBar.AddBand("工具条B", iconPanel2);
            outlookBar.AddBand("工具条C", iconPanel3);

            //0
            iconPanel1.AddIcon("信息查询", Image.FromFile(@"Image\1.ico"), new EventHandler(PanelEventA));
            //1
            iconPanel1.AddIcon("购物车管理", Image.FromFile(@"Image\2.ico"), new EventHandler(PanelEventA));
            //2
            iconPanel2.AddIcon("电子邮件", Image.FromFile(@"Image\3.ico"), new EventHandler(PanelEventB));
            //3
            iconPanel2.AddIcon("密码管理", Image.FromFile(@"Image\4.ico"), new EventHandler(PanelEventB));
            //4
            iconPanel3.AddIcon("时间设置", Image.FromFile(@"Image\4.ico"), new EventHandler(PanelEventC));
            outlookBar.SelectBand(0);
            #endregion
        }


        public void PanelEventA(object sender, EventArgs e)
        {
            Control ctrl = (Control)sender;
            PanelIcon panelIcon = ctrl.Tag as PanelIcon;
            string clickInfo = string.Empty;
            switch (panelIcon.Index)
            {
                case 0:
                    clickInfo = "信息查询";
                    break;
                case 1:
                    clickInfo = "购物车管理";
                    break;
            }
            this.label1.Text = string.Format("您选择了 {0}", clickInfo);
        }

        public void PanelEventB(object sender, EventArgs e)
        {
            Control ctrl = (Control)sender;
            PanelIcon panelIcon = ctrl.Tag as PanelIcon;
            string clickInfo = string.Empty;

            switch (panelIcon.Index)
            {
                case 0:
                    clickInfo = "电子邮件";
                    break;
                case 1:
                    clickInfo = "密码管理";
                    break;
            }
            this.label1.Text = string.Format("您选择了 {0}", clickInfo);
        }

        public void PanelEventC(object sender, EventArgs e)
        {
            Control ctrl = (Control)sender;
            PanelIcon panelIcon = ctrl.Tag as PanelIcon;
            string clickInfo = string.Empty;
            switch (panelIcon.Index)
            {
                case 0:
                    clickInfo = "时间设置";
                    break;
            }
            this.label1.Text = string.Format("您选择了 {0}", clickInfo);
        }
    }
}

调用代码

虽然 调用和获取 这块有点费劲，但是还是不错的一款组件。

-==源码下载==-