c# WInform 視窗啟動特效,使用win32 api

c# WInform 視窗啟動特效,使用win32 api

一段使用api的視窗特效代碼.自己可以試下,是不是在視窗顯示的時候會顯示各種特殊效果.有點驚喜的感覺

[System.Runtime.InteropServices.DllImport("user32")]         private static extern bool AnimateWindow(IntPtr hwnd, int dwTime, int dwFlags);         private const int AW_HOR_POSITIVE = 0x0001;// 從左向右顯示         private const int AW_HOR_NEGATIVE = 0x0002;// 從右向左顯示         private const int AW_VER_POSITIVE = 0x0004;// 從上到下顯示         private const int AW_VER_NEGATIVE = 0x0008;// 從下到上顯示         private const int AW_CENTER = 0x0010;// 從中間向四周         private const int AW_HIDE = 0x10000;         private const int AW_ACTIVATE = 0x20000;// 普通顯示         private const int AW_SLIDE = 0x40000;         private const int AW_BLEND = 0x80000;// 透明漸變顯示           private void Form1_Load(object sender, System.EventArgs e)         {                   int animatetype = 10;             Random a = new Random();             int dwFlags = (int)a.Next(animatetype);             switch (dwFlags)             {                 case 0:// 普通顯示                     AnimateWindow(Handle, 1000, AW_ACTIVATE);                     break;                 case 1:// 從左向右顯示                     AnimateWindow(Handle, 1000, AW_HOR_POSITIVE);                     break;                 case 2:// 從右向左顯示                     AnimateWindow(Handle, 1000, AW_HOR_NEGATIVE);                     break;                 case 3:// 從上到下顯示                     AnimateWindow(Handle, 1000, AW_VER_POSITIVE);                     break;                 case 4:// 從下到上顯示                     AnimateWindow(Handle, 1000, AW_VER_NEGATIVE);                     break;                 case 5:// 透明漸變顯示                     AnimateWindow(Handle, 1000, AW_BLEND);                     break;                 case 6:// 從中間向四周                     AnimateWindow(Handle, 1000, AW_CENTER);                     break;                 case 7:// 左上角伸展                     AnimateWindow(Handle, 1000, AW_SLIDE | AW_HOR_POSITIVE | AW_VER_POSITIVE);                     break;                 case 8:// 左下角伸展                     AnimateWindow(Handle, 1000, AW_SLIDE | AW_HOR_POSITIVE | AW_VER_NEGATIVE);                    break;                 case 9:// 右上角伸展                     AnimateWindow(Handle, 1000, AW_SLIDE | AW_HOR_NEGATIVE | AW_VER_POSITIVE);                     break;                 case 10:// 右下角伸展                     AnimateWindow(Handle, 1000, AW_SLIDE | AW_HOR_NEGATIVE | AW_VER_NEGATIVE);                     break;             }         }           private void Form1_FormClosing(object sender, System.ComponentModel.CancelEventArgs e)         {             AnimateWindow(this.Handle, 1000, AW_SLIDE | AW_HIDE | AW_VER_NEGATIVE);         }