using System; using System.Collections.Generic; using System.Windows.Forms; namespace Truffles { public partial class DeleteColumn : Form { frmMain mainfrm; public DeleteColumn(frmMain main) { this.mainfrm = main; InitializeComponent(); } public void init() { if (mainfrm.file.table == null) return; for (int i = 0; i < mainfrm.file.table.Columns.Count; i++) { txtList.Text += mainfrm.file.table.Columns[i].ColumnName + "\r\n"; } } private void button1_Click(object sender, EventArgs e) { try { List lines = new List(); foreach (var line in mainfrm.file.ColumnNames) { lines.Add(line); } foreach (var line in txtList.Lines) { lines.Remove(line); } foreach (var line in lines) { mainfrm.file.DeleteColumn(line); } } catch { } this.Close(); } } }