private void dataGridViewDistances_EditingControlShowing(object sender, DataGridViewEditingControlShowingEventArgs e)
        {
            var textbox = (TextBox)e.Control;

            if (dataGridViewDistances.CurrentCell.ColumnIndex != 0)
            {
                textbox.AutoCompleteMode = AutoCompleteMode.None;
                return;
            }
            
            textbox.AutoCompleteMode = AutoCompleteMode.SuggestAppend;
            textbox.AutoCompleteSource = AutoCompleteSource.CustomSource;
            var items = new AutoCompleteStringCollection();

            var enteredSystems = GetEnteredSystems();
            items.AddRange((
                from s
                in SystemData.SystemList
                where s.HasCoordinate && (s.name == textbox.Text || !enteredSystems.Contains(s))
                orderby s.name ascending
                select s.name
            ).ToArray());
            
            textbox.AutoCompleteCustomSource = items;
        }

 private void dataGridView1_EditingControlShowing(object sender, DataGridViewEditingControlShowingEventArgs e)
 {
     ComboBox combo = e.Control as ComboBox;
     if (combo != null)
     {
         combo.SelectedIndexChanged -= new EventHandler(ComboBox_SelectedIndexChanged);
         combo.SelectedIndexChanged += new EventHandler(ComboBox_SelectedIndexChanged);
     }
     TextBox tx = e.Control as TextBox;
     DataGridViewTextBoxCell cell = dataGridView1.CurrentCell as DataGridViewTextBoxCell;
     if (tx != null && cell.OwningColumn == dataGridView1.Columns["ColRate"])
     {
         tx.TextChanged -= new EventHandler(txtRate_TextChanged);
         tx.TextChanged += new EventHandler(txtRate_TextChanged);
     }
     if (tx != null && cell.OwningColumn == dataGridView1.Columns["ColQTY"])
     {
         tx.TextChanged -= new EventHandler(txtQty_TextChanged);
         tx.TextChanged += new EventHandler(txtQty_TextChanged);
     }
     if (tx != null && cell.OwningColumn == dataGridView1.Columns["txtScheme"])
     {
         tx.TextChanged -= new EventHandler(txtScheme_TextChanged);
         tx.TextChanged += new EventHandler(txtScheme_TextChanged);
     }
 }

        private void indexGrid_EditingControlShowing(object sender, DataGridViewEditingControlShowingEventArgs e)
        {
            Type t = e.Control.GetType();
            if (t != typeof(DataGridViewComboBoxEditingControl)) return;

            DataGridViewComboBoxEditingControl ec = e.Control as DataGridViewComboBoxEditingControl;
            ec.DrawMode = DrawMode.OwnerDrawFixed;
            ec.DrawItem += new DrawItemEventHandler(dropdown_DrawItem);

            if (indexGrid.CurrentCell.ColumnIndex == 0)
            {
                // now we need to set the item list to all non used columns and the option of 
                // NONE
                ec.Items.Clear();
                ec.Items.Add("<None>");
                foreach (string s in columnNames)
                {
                    bool alreadyUsed = false;
                    if (s != (string)indexGrid.CurrentRow.Cells[0].Value)
                        foreach (IndexColumnGridRow row in gridRows)
                            if (row.ColumnName == s)
                            {
                                alreadyUsed = true;
                                break;
                            }
                    if (!alreadyUsed)
                        ec.Items.Add(s);
                }
                int index = ec.FindStringExact(indexGrid.CurrentRow.Cells[0].Value as string);
                if (index > 0)
                    ec.SelectedIndex = index;
            }
        }

 void GRD_EditingControlShowing(object sender, DataGridViewEditingControlShowingEventArgs e)
 {
     if (e.Control is DurationInputBoxEditingControl)
     {
         durationInputBox = GRD.EditingControl as DurationInputBox;
     }
 }

 private void dataGridView_EditingControlShowing(object sender, DataGridViewEditingControlShowingEventArgs e) {
     _ShipCombo = e.Control as ComboBox;
     if (_ShipCombo != null) {
         _ShipCombo.DropDownStyle = ComboBoxStyle.Simple;
         _ShipCombo.AutoCompleteMode  = AutoCompleteMode.SuggestAppend;
         _ShipCombo.AutoCompleteSource = AutoCompleteSource.ListItems;
     }
 }

 private void dataGridView1_EditingControlShowing(object sender, DataGridViewEditingControlShowingEventArgs e)
 {
     if (dataGridView1.CurrentCell.ColumnIndex == 0)
     {
         TextBox tb = e.Control as TextBox;
         tb.KeyPress += new KeyPressEventHandler(tb_KeyPress);
     }
 }

 private void dataGridView1_EditingControlShowing(object sender, DataGridViewEditingControlShowingEventArgs e)
 {
     if (e.Control.GetType().BaseType.Name == "TextBox")
     {
         control = (TextBox)e.Control;
         //需要限制输入数字的单元格
         control.KeyPress += new KeyPressEventHandler(validating_KeyPress);
     }
 }

        private void cartDataGridView_EditingControlShowing(object sender, DataGridViewEditingControlShowingEventArgs e)
        {
            ComboBox combo = e.Control as ComboBox;

            if (combo != null)
            {
                combo.SelectedIndexChanged -= new EventHandler(ComboBox_SelectedIndexChanged);
                combo.SelectedIndexChanged += new EventHandler(ComboBox_SelectedIndexChanged);
            }
        }

 private void DirectoryCmdView_EditingControlShowing(object sender, DataGridViewEditingControlShowingEventArgs e)
 {
     DataGridViewComboBoxEditingControl comboControl = e.Control as DataGridViewComboBoxEditingControl;
     if (comboControl != null) {
         // Set the DropDown style to get an editable ComboBox
         if (comboControl.DropDownStyle != ComboBoxStyle.DropDown) {
             comboControl.DropDownStyle = ComboBoxStyle.DropDown;
         }
     }
 }

        private void dgvLineaCompra_EditingControlShowing(object sender, DataGridViewEditingControlShowingEventArgs e)
        {
            dgvCombo = e.Control as DataGridViewComboBoxEditingControl;

            if (dgvCombo != null)
            {
                dgvCombo.SelectedIndexChanged += new EventHandler(dgvLineaCompra_SelectedIndexChanged);
            }

        }

 public static void dgvCellEditing(DataGridView dgv,string columnName, DataGridViewEditingControlShowingEventArgs e)
 {
     if (dgv.CurrentCell != null && dgv.CurrentCell.ColumnIndex == dgv.Columns[columnName].Index)
     {
         Control cntObject = new Control();
         e.Control.TextChanged += new EventHandler((object sse, EventArgs se) => Utilities.Cell_TextChanged(sse, dgv, cntObject));
         cntObject = e.Control;
         cntObject.TextChanged += (object sse, EventArgs se) => Utilities.Cell_TextChanged(sse, dgv, cntObject);
     }
     dgv.RefreshEdit();
 }

 private void bonusDataGridView_EditingControlShowing(object sender, DataGridViewEditingControlShowingEventArgs e)
 {
     e.Control.KeyPress -= new KeyPressEventHandler(Column1_KeyPress);
     if ((bonusDataGridView.CurrentCell.ColumnIndex == 4)|| (bonusDataGridView.CurrentCell.ColumnIndex == 5))
     {
         TextBox tb = e.Control as TextBox;
         if (tb != null)
         {
             tb.KeyPress += new KeyPressEventHandler(Column1_KeyPress);
         }
     }
 }

 private void grvStock_EditingControlShowing(object sender, DataGridViewEditingControlShowingEventArgs e)
 {
     if (e.Control is DataGridViewTextBoxEditingControl)
     {
         DataGridViewTextBoxEditingControl txtBox = (DataGridViewTextBoxEditingControl)e.Control;
         txtBox.KeyPress -= new KeyPressEventHandler(Control_KeyPress);
         if (this.grvStock.CurrentCell.OwningColumn.Index == indexQTY)
         {
             txtBox.KeyPress += new KeyPressEventHandler(Control_KeyPress);
         }
     }
 }

 /// <summary>
 /// Handler for when edits occur to statvarcombobox
 /// </summary>
 /// <param name="sender"></param>
 /// <param name="e"></param>
 private void dgvManualStatVarProps_EditingControlShowing(object sender,
 DataGridViewEditingControlShowingEventArgs e)
 {
     ComboBox mComboBox = e.Control as ComboBox;
     if (mComboBox != null)
     {
         mComboBox.DropDownStyle = ComboBoxStyle.DropDownList;
         //mComboBox.AutoCompleteMode = AutoCompleteMode.SuggestAppend;
         //mComboBox.AutoCompleteSource = AutoCompleteSource.ListItems;
         mComboBox.SelectionChangeCommitted -= OnSelectStatVarLevel;
         mComboBox.SelectionChangeCommitted += OnSelectStatVarLevel;
     };
 }

        private void dgv_list_EditingControlShowing(object sender, DataGridViewEditingControlShowingEventArgs e)
        {
            ComboBox cb = e.Control as ComboBox;
            if (cb != null)
            {
                // first remove event handler to keep from attaching multiple:
                cb.SelectedIndexChanged -= new
                EventHandler(cb_SelectedIndexChanged);

                // now attach the event handler
                cb.SelectedIndexChanged += new
                EventHandler(cb_SelectedIndexChanged);
            }
        }

        private void dgvEntranceTable_EditingControlShowing(object sender, DataGridViewEditingControlShowingEventArgs e)
        {
            DataGridView dgv = (sender as DataGridView);

            int column = dgv.CurrentCell.ColumnIndex;
            string name = dgv.Columns[column].DataPropertyName;

            if (name.Equals("SceneName") && e.Control is TextBox)
            {
                TextBox tb = e.Control as TextBox;
                tb.AutoCompleteMode = AutoCompleteMode.SuggestAppend;
                tb.AutoCompleteCustomSource = ROM.SceneNameACStrings;
                tb.AutoCompleteSource = AutoCompleteSource.CustomSource;
            }
        }

        private void dataProdukDataGridView_EditingControlShowing(object sender, DataGridViewEditingControlShowingEventArgs e)
        {
            if ((dataProdukDataGridView.CurrentCell.OwningColumn.Name == "HARGA_ECER" || dataProdukDataGridView.CurrentCell.OwningColumn.Name == "HARGA_PARTAI" || dataProdukDataGridView.CurrentCell.OwningColumn.Name == "HARGA_GROSIR" ||
                dataProdukDataGridView.CurrentCell.OwningColumn.Name == "LIMIT_STOK" || dataProdukDataGridView.CurrentCell.OwningColumn.Name == "KODE_RAK" || dataProdukDataGridView.CurrentCell.OwningColumn.Name == "NOMOR_RAK")
                    && e.Control is TextBox)
            {
                TextBox textBox = e.Control as TextBox;
                textBox.TextChanged += TextBox_TextChanged;

                if (dataProdukDataGridView.CurrentCell.OwningColumn.Name == "KODE_RAK")
                {
                    textBox.CharacterCasing = CharacterCasing.Upper;
                }
            }
            
        }

        private void dataGridView1_EditingControlShowing(object sender, DataGridViewEditingControlShowingEventArgs e)
        {
            if (this.dataGridView1.CurrentCell.ColumnIndex == this.DataType.Index)
            {
                //limit this dropdown to just the valid data types for this measure
                BindingSource bindingSource = this.dataGridView1.DataSource as BindingSource;
                MeasureGroupHealthCheckPlugin.MeasureHealthCheckResult item = bindingSource.Current as MeasureGroupHealthCheckPlugin.MeasureHealthCheckResult;
                DataGridViewComboBoxEditingControl comboBox = e.Control as DataGridViewComboBoxEditingControl;
                comboBox.DataSource = item.PossibleDataTypes;
                comboBox.SelectedValue = item.DataType;

                //not necessary to capture this event and commit a change before they leave the cell because we decided not to change cell colors or anything
                //comboBox.SelectionChangeCommitted -= this.comboBox_SelectionChangeCommitted;
                //comboBox.SelectionChangeCommitted += this.comboBox_SelectionChangeCommitted;
            }
        }

        /// <summary>
        /// Aggiungere la chiamata a questo metodo in _EditingControlShowing del DataGridView interessato
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        public void GestioneNumericPad(object sender, DataGridViewEditingControlShowingEventArgs e)
        {
            // dataGrid.Columns[dataGrid.CurrentCell.ColumnIndex].Type;

            TextBox innerTextBox;
            if (e.Control is TextBox)
            {
                innerTextBox = e.Control as TextBox;
                // innerTextBox.KeyDown -= new KeyEventHandler(innerTextBox_KeyDown);
                // innerTextBox.KeyDown += new KeyEventHandler(innerTextBox_KeyDown);

                // Succede che si aggancia 2 volte l'evento e poi si duplica il carattere
                innerTextBox.KeyPress -= new KeyPressEventHandler(innerTextBox_KeyPress);
                innerTextBox.KeyPress += new KeyPressEventHandler(innerTextBox_KeyPress);
            }
        }

 private void dgv_tmp_EditingControlShowing(object sender, DataGridViewEditingControlShowingEventArgs e)
 {
     //if (e.Control is DataGridViewComboBoxEditingControl)
     //{
     //    #region ComboBox列
     //    //检测列
     //    DataGridView dgv = (DataGridView)sender;
     //    if ((dgv.CurrentCell.OwningColumn.HeaderText == "发票种类")
     //        )
     //    {
     //        //取得可以编辑被表示的控件
     //        DataGridViewComboBoxEditingControl cb = (DataGridViewComboBoxEditingControl)e.Control;
     //        cb.DropDownStyle = ComboBoxStyle.DropDown;
     //    }
     //    #endregion
     //}
 }