using?System;
using?System.Collections.Generic;
using?System.Text;
using?System.Runtime.InteropServices;
using?System.Windows.Forms;

namespace?Utility
{
????///?

????///?base?form?class?that?provides?fading/sliding?effects?on?open/close?of?the?form.
????///?

????public?abstract?class?FadeForm?:?Form
????{
????????#region?Win32

????????const?int?AW_HIDE?=?0X10000;
????????const?int?AW_ACTIVATE?=?0X20000;
????????const?int?AW_HOR_POSITIVE?=?0X1;
????????const?int?AW_HOR_NEGATIVE?=?0X2;
????????const?int?AW_SLIDE?=?0X40000;
????????const?int?AW_BLEND?=?0X80000;

????????[DllImport（“user32.dll“?CharSet?=?CharSet.Auto）]
????????private?static?extern?int?AnimateWindow
????????（IntPtr?hwand?int?dwTime?int?dwFlags）;

????????#endregion

????????#