C# FormTool.SetCursor设置光标为等待状态，提高用户体验

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace CSFrameworkV5.Library.CommonClass
{
    public class FormTool
    {
        public static void SetCursor(Control btn, bool enable)
        {
            if (btn != null) btn.Enabled = enable;

            if (enable)
                Cursor.Current = Cursors.Default;
            else
                Cursor.Current = Cursors.WaitCursor;

            Application.DoEvents();
        }
    }
}