Winform C# 简单实现子窗口显示进度条

主窗口代码

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows.Forms;namespace ProgressbarTest
{
public partial class Form1 : MaterialSkin.Controls.MaterialForm
{
public Form1()
{
InitializeComponent();
Bkg_ClaculateStatus.WorkerReportsProgress = true;
Bkg_ClaculateStatus.WorkerSupportsCancellation = true;
Bkg_ClaculateStatus.DoWork += DoWork_Handler;
Bkg_ClaculateStatus.ProgressChanged += ProcessChanged_Handler;
Bkg_ClaculateStatus.RunWorkerCompleted += RunWorkerCompleted_Handler; } ProgressBar progressBar= new ProgressBar();
private void materialFlatButton1_Click(object sender, EventArgs e)
{
if (!Bkg_ClaculateStatus.IsBusy)
{
Bkg_ClaculateStatus.RunWorkerAsync();
progressBar.StartPosition = FormStartPosition.CenterParent;
progressBar.ShowDialog();
}
} /// <summary>
/// Use less variables to implement Fibonacci
/// </summary>
/// <param name="n"></param>
/// <returns></returns>
static int Fn2(int n)
{
if (n <= 0)
{
throw new ArgumentOutOfRangeException();
} int a = 1;
int b = 1; for (int i = 3; i <= n; i++)
{
b = checked(a + b); // when n>46 memory will overflow
a = b - a;
}
return b;
} private void DoWork_Handler(object sender, DoWorkEventArgs args)
{
BackgroundWorker worker= sender as BackgroundWorker;
for (int i = 1; i < 10; i++)
{
if (worker.CancellationPending)
{
args.Cancel = true;
break;
}
else
{
worker.ReportProgress(i*10);
Thread.Sleep(500);
}
}
} private void ProcessChanged_Handler(object sender, ProgressChangedEventArgs e)
{
progressBar.SetValue(e.ProgressPercentage);
} private void RunWorkerCompleted_Handler(object sender, RunWorkerCompletedEventArgs e)
{
progressBar.SetValue(0);
this.progressBar.Close();
}
}
}


进度条窗口代码

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;namespace ProgressbarTest
{
public partial class ProgressBar : MaterialSkin.Controls.MaterialForm
{
public ProgressBar()
{
InitializeComponent();
} public void SetValue(int value)
{
this.materialProgressBar1.Value = value;
} }
}