fCraft.ConfigGUI.MainForm.tRankName_Validating C# (CSharp) Метод

        private void tRankName_Validating( object sender, CancelEventArgs e )
        {
            tRankName.ForeColor = SystemColors.ControlText;
            if ( selectedRank == null )
                return;

            string newName = tRankName.Text.Trim();

            if ( newName == selectedRank.Name ) {
                return;
            } else if ( newName.Length == 0 ) {
                MessageBox.Show( "Rank name cannot be blank." );
                tRankName.ForeColor = System.Drawing.Color.Red;
                e.Cancel = true;
            } else if ( !Rank.IsValidRankName( newName ) ) {
                MessageBox.Show( "Rank name can only contain letters, digits, and underscores." );
                tRankName.ForeColor = System.Drawing.Color.Red;
                e.Cancel = true;
            } else if ( !RankManager.CanRenameRank( selectedRank, newName ) ) {
                MessageBox.Show( "There is already another rank named \"" + newName + "\".\n" +
                                 "Duplicate rank names are not allowed." );
                tRankName.ForeColor = System.Drawing.Color.Red;
                e.Cancel = true;
            } else {
                string oldName = MainForm.ToComboBoxOption( selectedRank );

                // To avoid DataErrors in World tab's DataGridView while renaming a rank,
                // the new name is first added to the list of options (without removing the old name)
                rankNameList.Insert( selectedRank.Index + 1, String.Format( "{0,1}{1}", selectedRank.Prefix, newName ) );

                RankManager.RenameRank( selectedRank, newName );

                // Remove the old name from the list of options
                rankNameList.Remove( oldName );

                Worlds.ResetBindings();
                RebuildRankList();
            }
        }