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   源码介绍

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一个可替代Combox的控件

解决Combox的点击过小功能，开发出一个新的选择控件，适合于仪器开发

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

namespace UUOscilloscope.BaseControls
{
    public partial class ExCombox : Button   {

        public event ClickDoneEventHandler ClickDoneEvent;
      
        Font F = new System.Drawing.Font("Arial", 10);
       [CategoryAttribute("样式设置")] 
        public Font YourFont
        {
            get { return F; }
            set { F = value; }
        }

        private int[] Htable = new int[] { 1, 1, 1, 1, 2, 2, 2, 2, 3, 2};
        public ClickDoneEventArgs ee=new ClickDoneEventArgs();
       [CategoryAttribute("样式设置")] 
        public int[] Hortable
        {
            get { return Htable; }
            set { Htable = value; }
        }
        private int[] Vtable = new int[] { 1, 2, 3, 4, 3, 3, 4, 4, 3, 5};
         [CategoryAttribute("样式设置")] 
        public int[] Vertable
        {
            get { return Vtable; }
            set { Vtable = value; }
        }
        private int HInter = 50;
          [CategoryAttribute("自长宽与间距设置")] 
        [DefaultValue(50)]
        public int HorInteral
        {
            get { return HInter; }
            set { HInter = value; }
        }
        private int VInter = 40;
        [DefaultValue(40)]
        [CategoryAttribute("自长宽与间距设置")] 
        public int VerInterval
        {
            get { return VInter; }
            set { VInter = value; }
        }
        private int Inter = 4;

         [DefaultValue(4)]
         [CategoryAttribute("自长宽与间距设置")] 
        public int Interval
        {
            get { return Inter; }
            set { Inter = value; }
        }
        private int StringItems =0;
         [DefaultValue(0)]
         [CategoryAttribute("样式设置")] 
        public int StringItemsSize
        {
             get
             {
                 //return StringItems;
                 return items.Length;
             }
            //set { StringItems = value; }
        }
         public String[] items = new String[10];
         
        [CategoryAttribute("选项设置")]  
        [ Localizable(true)]
         public String[] Items
        {
            get { return items; }
            set { items = value; }
        }
         
        private ShowItem Show;
        private Form form;
        
        public ExCombox()
        {
            InitializeComponent();
            SetStyle(ControlStyles.SupportsTransparentBackColor, true);
            SetStyle(ControlStyles.ResizeRedraw, true);
            SetStyle(ControlStyles.OptimizedDoubleBuffer, true);
            this.Size = new Size(88, 24);
            this.ResizeRedraw = true;
            this.BackColor = Color.SlateGray;
            this.FlatStyle = FlatStyle.Flat;
        }

        private void ExCombox_Click(object sender, EventArgs e)
        
        {
                form = new Form();
                form.StartPosition = FormStartPosition.Manual;
                form.FormBorderStyle = FormBorderStyle.None;
                form.ShowInTaskbar = false;
                form.MinimumSize = new Size(1, 1);
                Point ScreenPoint = Control.MousePosition;
                Show = new ShowItem(StringItemsSize, items, HInter, VInter, Inter, Htable, Vtable, F, this);
                form.Height = Show.Height;
                form.Width =Show.Width;
                form.Top = ScreenPoint.Y - Show.Height / 2;
                form.Left=ScreenPoint.X - Show.Width / 2;
                form.Controls.Add(Show);
                form.ShowDialog(); 
        }
        
        public void Show_Click()
        {
            
            Object obj = this;
            if (ClickDoneEvent!=null) ClickDoneEvent(obj, ee);
           
        }
        
       
    }
}