[C#] WinForm 시스템 메뉴에 나만의 메뉴 추가하기
using System; using System.Windows.Forms; using System.Runtime.InteropServices; namespace CaptionTimetableSupporet { public partial class MainForm : Form { // P/Invoke constants private const int WM_SYSCOMMAND = 0x112; private const int MF_STRING = 0x0; private const int MF_SEPARATOR = 0x800; // P/Invoke declarations [DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)] private static extern IntPtr GetSystemMenu(IntPtr hWnd, bool bRevert);…