Function to set console window visibility.

setConsoleWindowVisibility.cs

public static void setConsoleWindowVisibility(bool visible, string title)
{
  IntPtr hWnd = FindWindow(null, title);
  if (hWnd != IntPtr.Zero)
  {
    if (!visible)
      //Hide the window
      ShowWindow(hWnd, 0); // 0 = SW_HIDE
    else
      //Show window again
      ShowWindow(hWnd, 1); //1 = SW_SHOWNORMA
  }
}