C# Get the current mouse pattern sample code of the system

C#The code to obtain the current mouse pattern of the system is as follows:

using System.Runtime.InteropServices;
 
[StructLayout(LayoutKind.Sequential)]
struct CURSORINFO
{
    public int cbSize;
    public int flags; 
    public IntPtr hCursor;
    public Point ptScreenPos;
}
 
[DllImport("user32.dll")]
static extern bool GetCursorInfo(out CURSORINFO pci);
 
private const int CURSOR_SHOWING= 0x00000001;
 
private void button1_Click(object sender, EventArgs e)
{
 
    CURSORINFO vCurosrInfo;
    vCurosrInfo.cbSize = Marshal.SizeOf(typeof(CURSORINFO));
    GetCursorInfo(out vCurosrInfo);
    if ((vCurosrInfo.flags & CURSOR_SHOWING) != CURSOR_SHOWING) return;
    Cursor vCursor = new Cursor(vCurosrInfo.hCursor);
    Graphics vGraphics = Graphics.FromHwnd(Handle);
    Rectangle vRectangle = new Rectangle(0, 0, 32, 32);
    vGraphics.FillRectangle(new SolidBrush(BackColor), vRectangle);
    vCursor.Draw(vGraphics, vRectangle);
}

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