[DllImport("winspool.Drv", EntryPoint="FlushPrinter", SetLastError=true, CharSet=CharSet.Ansi,ExactSpelling=true, CallingConvention=CallingConvention.StdCall)]

private static extern bool FlushPrinter(IntPtr hPrinter,IntPtr pBuf,Int32 cbBuf,out Int32 pcWritten,Int32 cSleep);

Declare Function FlushPrinter Lib "winspool.dll" (TODO) As TODO