private void queryBuilder1_QueryElementControlCreated(QueryElement queryElement, IQueryElementControl queryElementControl)
{
if (queryElementControl is IQueryColumnListControl)
{
IQueryColumnListControl queryColumnListControl = (IQueryColumnListControl)queryElementControl;
DataGridView dataGridView = (DataGridView)queryColumnListControl.DataGrid;
_customColumn?.Dispose();
// Create custom column
_customColumn = new DataGridViewComboBoxColumn
{
Name = "CustomColumn",
HeaderText = "Custom Column",
Width = 200,
DisplayStyle = DataGridViewComboBoxDisplayStyle.Nothing, // hide the combobox if cell is not focused
ValueType = typeof(string)
};
_customColumn.HeaderCell.Style.Font = new Font("Tahoma", 8, FontStyle.Bold);
// Insert custom column to specified position
dataGridView.Columns.Insert(2, _customColumn);
// Handle the necessary events
dataGridView.CellEnter += DataGridView_CellEnter;
dataGridView.CellLeave += DataGridView_CellLeave;
dataGridView.CellBeginEdit += DataGridView_CellBeginEdit;
dataGridView.CellValueNeeded += DataGridView_CellValueNeeded;
dataGridView.CellValuePushed += DataGridView_CellValuePushed;
dataGridView.EditingControlShowing += DataGridView_EditingControlShowing;
}
}
/// <summary>
/// 列追加（コンボボックス）
/// </summary>
/// <param name="dgv">DataGridViewオブジェクト</param>
/// <param name="HeaderText"></param>
/// <param name="DataPropertyName"></param>
/// <param name="DataSrcTbl">コンボボックス用テーブル(表示タイトルと元データタイトルで構成）</param>
/// <param name="ValueMember">元データタイトル</param>
/// <param name="DisplayMember">表示タイトル</param>
static public void AddCol_ComboBox(DataGridView dgv, string HeaderText, string ColName, string DataPropertyName,
object DataSrcTbl, string ValueMember, string DisplayMember)
{
DataGridViewComboBoxColumn col = new DataGridViewComboBoxColumn();
col.DataPropertyName = DataPropertyName;
col.HeaderText = HeaderText;
col.Name = ColName;
col.DataSource = DataSrcTbl;
col.ValueMember = ValueMember;
col.DisplayMember = DisplayMember;
col.SortMode = DataGridViewColumnSortMode.NotSortable;
dgv.Columns.Add(col);
col.Dispose();
}