[C#] Animated application start/close

public Form1()
{
InitializeComponent();
AnimateWindow(Handle, 350, AnimateWindowFlags.AW_SLIDE | AnimateWindowFlags.AW_VER_POSITIVE);
}

enum AnimateWindowFlags : uint
{
AW_HOR_POSITIVE = 0x00000001,
AW_HOR_NEGATIVE = 0x00000002,
AW_VER_POSITIVE = 0x00000004,
AW_VER_NEGATIVE = 0x00000008,
AW_CENTER = 0x00000010,
AW_HIDE = 0x00010000,
AW_ACTIVATE = 0x00020000,
AW_SLIDE = 0x00040000,
AW_BLEND = 0x00080000
}

[DllImport("user32")]
static extern bool AnimateWindow(IntPtr hwnd, int time, AnimateWindowFlags flags);

private void Form1_FormClosing(object sender, FormClosingEventArgs e)
{
AnimateWindow(Handle, 350, AnimateWindowFlags.AW_SLIDE | AnimateWindowFlags.AW_VER_POSITIVE | AnimateWindowFlags.AW_HIDE);
}

Code

public Form1()

        {

            InitializeComponent();

            AnimateWindow(Handle, 350, AnimateWindowFlags.AW_SLIDE | AnimateWindowFlags.AW_VER_POSITIVE);

        }



        enum AnimateWindowFlags : uint

        {

            AW_HOR_POSITIVE = 0x00000001,

            AW_HOR_NEGATIVE = 0x00000002,

            AW_VER_POSITIVE = 0x00000004,

            AW_VER_NEGATIVE = 0x00000008,

            AW_CENTER = 0x00000010,

            AW_HIDE = 0x00010000,

            AW_ACTIVATE = 0x00020000,

            AW_SLIDE = 0x00040000,

            AW_BLEND = 0x00080000

        }



        [DllImport("user32")]

        static extern bool AnimateWindow(IntPtr hwnd, int time, AnimateWindowFlags flags);



        private void Form1_FormClosing(object sender, FormClosingEventArgs e)

        {

            AnimateWindow(Handle, 350, AnimateWindowFlags.AW_SLIDE | AnimateWindowFlags.AW_VER_POSITIVE | AnimateWindowFlags.AW_HIDE);

        }

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