并行遍历control

protected void ClearTextBox()
{
Parallel.ForEach<Control>(this.Controls.Cast<Control>(), c =>
{
if (c is TextBox)
{
TextBox temp = (TextBox)c;
temp.Text = null;
}
});
}

并行遍历control

原文：http://www.cnblogs.com/kevin1988/p/3530252.html