void CreateContext(ref string name)
{
if (Tablet.GetCtxHandleByName(ref name) == IntPtr.Zero)
{
Tablet.AddContext(name, ref digitizing);
Tablet.SelectContext(ref name);
Tablet.Context.Options.IsPenCtx = Tablet.Context.Options.IsSystemCtx = true;
Tablet.Context.Options.NotifyCursorChange = true;
Tablet.Connected = true;
Tablet.Context.OutputExtentX = Tablet.Context.InputExtentX;
Tablet.Context.OutputExtentY = Tablet.Context.InputExtentY;
Tablet.Context.Update();
}
}