Readconsole

[DllImport("Kernel32.dll", CharSet = CharSet.Unicode, SetLastError = true)][return: MarshalAs(UnmanagedType.Bool)]
public static extern bool ReadConsole(IntPtr hConsoleInput,
   [Out] StringBuilder lpBuffer,
   uint nNumberOfCharsToRead,
   out uint lpNumberOfCharsRead,
   IntPtr lpReserved
);

Microsoft documentation: Link

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