WinFrom 进度条控件怎么用?

Question

窗体上有个Button控件,
点击控件,就去执行一些操作,操作完成后,进度条就满了.然后隐藏进度条控件

Answer 1

Progressbar1.value=0;
Progressbar1.maximize=100;
for(int =0;i<100;i++)
{
     Progressbar1.value=Progressbar1.value+1;
     Progressbar1.update();
}
Progressbar1.visible=false;

Answer 2

        private void button1_Click(object sender, EventArgs e)
        {
            for (int i = 0; i < 100; i++)
            {
                this.progressBar1.Value = i;
                
            }            Thread.Sleep(200); //以免太快没效果            this.progressBar1.Visible = false;
        }

Answer 3

^_^ Thread.Sleep(200);应该放到for里面吧 

Answer 4

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;namespace WindowsApplication3
{
    public partial class frmPrograss : Form
    {
        public frmPrograss()
        {
            InitializeComponent();
        }        private int GetStep()
        {
            Random ran = new Random(DateTime.Now.Millisecond);
            return ran.Next(10, 30);
        }        private string[] arr ={ 
        "系统加载数据中，请稍候.",
            "系统加载数据中，请稍候...",
            "系统加载数据中，请稍候.....",
            "系统加载数据中，请稍候.......",
            "系统加载数据中，请稍候..........",
            "系统加载数据中，请稍候..............",
            "系统加载数据中，请稍候.................",
            "系统加载数据中，请稍候....................",
            "系统加载数据中，请稍候........................",
        };        private int i = 2;        private void timer1_Tick(object sender, EventArgs e)
        {
            if (this.label1.ForeColor == Color.Black)
            {
                this.label1.ForeColor = Color.Red;
                
            }
            else
            {
                this.label1.ForeColor = Color.Black;
            }            if (i <= arr.Length - 1)
            {
                this.label1.Text = arr[i];
                i++;
            }            int step = this.GetStep();
            if (this.progressBar1.Value + step < this.progressBar1.Maximum)
            {
                this.progressBar1.Value = this.progressBar1.Value + step;
                return;
            }
            else
            {
                this.timer1.Enabled = false;
                this.progressBar1.Value = this.progressBar1.Maximum;
                Form1 frm = new Form1();
                this.Hide();
                frm.Show();            }        }        private void frmPrograss_Load(object sender, EventArgs e)
        {
            this.timer1.Enabled = true;
        }
    }
}

Answer 5

恩 4楼说的对 要把
Thread.Sleep(200); 
放在 for循环里，效果就出来了。

Answer 6

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Threading;//加此命名空间namespace WindowsApplication2
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }        private void button1_Click(object sender, EventArgs e)
        {
        
               for (int i = 0; i < 100; i++) 
            { 
                this.progressBar1.Value = i; 
                
                Thread.Sleep(20); //设为20就可以了
            } 
            this.progressBar1.Visible = false;         }        
    }
}