public static Edit GetInstance() { if (instance == null) { instance = new Edit(); } return instance; }
private void 剪贴ToolStripMenuItem_Click(object sender, EventArgs e) { Edit.GetInstance().Cut(CurEditPos); }
private void Delete_Click(object sender, EventArgs e) { Edit.GetInstance().Delete(CurEditPos); }
private void Paste_Click(object sender, EventArgs e) { Edit.GetInstance().CopyTo(CurEditPos); }
private void Copy_Click(object sender, EventArgs e) { Edit.GetInstance().SetSource(CurEditPos); }