/// <summary>
/// This method will create a combo drop down, with the specified ComboItems, in the specified cell.
/// </summary>
public void CreateComboInCell(DataGridViewCell Cell, string[] ComboItems)
{
MyDataGridViewComboBoxCell Combo = new MyDataGridViewComboBoxCell();
Combo.Items.AddRange(ComboItems);
ReplaceCell(Cell, Combo);
}
/// <summary>
/// The edit control (e.g. combo box) is about to be shown. If we added a temporary item
/// to the combo control (so that the grid doesn't reject a value) then remove it now so
/// that the user doesn't see it. It will be added in later (OnCellValidating) when the
/// user has finished editing.
/// </summary>
private void OnEditingControlShowing(object Sender, DataGridViewEditingControlShowingEventArgs e)
{
ContextMenuStrip = null;
if (CurrentCell is MyDataGridViewComboBoxCell && EditingControl is DataGridViewComboBoxEditingControl)
{
DataGridViewComboBoxEditingControl Combo = (DataGridViewComboBoxEditingControl)EditingControl;
Combo.DropDownStyle = ComboBoxStyle.DropDown;
Combo.AutoCompleteMode = AutoCompleteMode.None;
Combo.KeyDown -= new KeyEventHandler(OnComboKeyDown);
Combo.KeyDown += new KeyEventHandler(OnComboKeyDown);
Combo.Leave -= new EventHandler(OnComboLeave);
Combo.Leave += new EventHandler(OnComboLeave);
MyDataGridViewComboBoxCell MyCombo = (MyDataGridViewComboBoxCell)CurrentCell;
if (MyCombo.ValueInserted)
{
string SavedText = Combo.Text;
Combo.Items.RemoveAt(0);
Combo.Text = SavedText;
}
}
}
