c#窗体进度条

c#窗体进度条

//进度条的最大值

int a=;

progressBar1.Maximum = Convert.ToInt32(a);

for(int i=;i<progressBar1.Maximum;i++)
{
　　//进度条的值
    progressBar1.Value =i;
　　//显示百分比
    double d = (double)(progressBar1.Value) / (progressBar1.Maximum) * ;
    labelprogress.Text = Math.Round(d, ) + "%";
}