C # Get the system's current mouse pattern sample code

C # Get the system the current mouse pattern code 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, +, +);    Vgraphics.fillrectangle (New SolidBrush (BackColor), vrectangle);    Vcursor.draw (Vgraphics, vrectangle);}