Show console in csharp winform func

CSharp-WinForm-Show-Console

namespace Demo
{
  static class Program
  {
	  [DllImport("kernel32.dll")]
	  static extern bool FreeConsole();//Call Sysytem API，Disposed Console
	  [DllImport("kernel32.dll")]
	  public static extern bool AllocConsole();//Call Sysytem API，Show Console
	  
	  [STAThread]
	  static void Main()
	  {
	  	Application.EnableVisualStyles();
	  	Application.SetCompatibleTextRenderingDefault(false);
	  	AllocConsole();//Show Console
	  	Application.Run(new Form1());
	  	FreeConsole();//Disposed Console
	  }
  }
}