Csharp/C Sharp/Components/Progress Bar — различия между версиями

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м (1 версия)
 
(нет различий)

Версия 15:31, 26 мая 2010

Auto progress bar

using System;
using System.Collections.Generic;
using System.ruponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
public class Form1 : Form
{
  AutoProgress status = new AutoProgress();
  
  public Form1() {
      this.status = new AutoProgress();
      this.SuspendLayout();
      // 
      // status
      // 
      this.status.Location = new System.Drawing.Point(12, 8);
      this.status.Name = "status";
      this.status.Size = new System.Drawing.Size(600, 20);
      // 
      // Form1
      // 
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 14);
      this.ClientSize = new System.Drawing.Size(292, 194);
      this.Controls.Add(this.status);
      this.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
      this.Name = "Form1";
      this.Text = "Progress Host";
      this.ResumeLayout(false);
      
      status.Start();
  }
  [STAThread]
  static void Main()
  {
    Application.EnableVisualStyles();
    Application.Run(new Form1());
  }
}
  public class AutoProgress : System.Windows.Forms.UserControl
    {
        internal System.Windows.Forms.ProgressBar myProgressBar;
        internal Timer myTimer;
        private int percentPerSecond = 5;
    public AutoProgress()
    {
            this.myProgressBar = new System.Windows.Forms.ProgressBar();
            this.myTimer = new System.Windows.Forms.Timer(new System.ruponentModel.Container());
            this.SuspendLayout();
            this.myProgressBar.Dock = System.Windows.Forms.DockStyle.Fill;
            this.myProgressBar.Location = new System.Drawing.Point(0, 0);
            this.myProgressBar.Name = "myProgressBar";
            this.myProgressBar.Size = new System.Drawing.Size(164, 42);
            this.myProgressBar.TabIndex = 2;
            this.myTimer.Tick += new System.EventHandler(this.myTimer_Tick);
            this.Controls.Add(this.myProgressBar);
            this.Name = "AutoProgress";
            this.Size = new System.Drawing.Size(164, 42);
            this.ResumeLayout(false);
            
    }
        public int PercentPerSecond
    {
      get {
        return percentPerSecond;
      }
      set {
                if (value < 0)
                {
                    throw new ArgumentException("Progress cannot go backward.");
                }
                else if (value == 0)
                {
                    throw new ArgumentException("Progress must go on.");
                }
                percentPerSecond = value;
      }
    }           
    
    public void Start()
    {
      myProgressBar.Maximum = 200;
      myTimer.Interval = 100;
      decimal step = Math.Round((decimal)myProgressBar.Maximum * PercentPerSecond / 1000);
      myProgressBar.Step = (int)step;
            myProgressBar.Value = 0;
            myTimer.Start();
        }
        public void Stop()
        {
            myTimer.Stop();
            myProgressBar.Value = 0;
        }
        public void Finish()
        {
            myTimer.Stop();
            myProgressBar.Value = myProgressBar.Maximum;
        }
        private void myTimer_Tick(object sender, EventArgs e)
        {
            myProgressBar.PerformStep();
            if (myProgressBar.Value == myProgressBar.Maximum)
            {
                myProgressBar.Value = 0;
            }
        }
  }