public override object Clone()
{
DataGridViewComboBoxButtonColumn column1 = (DataGridViewComboBoxButtonColumn)base.Clone();
column1.DataSource = this.DataSource;
column1.OnCellButtonClick = this.OnCellButtonClick;
column1.CellTemplate = new DataGridViewComboBoxButtonCell();
return(column1);
}
public override void InitializeEditingControl(int rowIndex, object
initialFormattedValue, DataGridViewCellStyle dataGridViewCellStyle)
{
// Set the value of the editing control to the current cell value.
base.InitializeEditingControl(rowIndex, initialFormattedValue,
dataGridViewCellStyle);
DataGridViewComboBoxButtonColumn dgcb = this.DataGridView.Columns[this.ColumnIndex] as DataGridViewComboBoxButtonColumn;
ComboBoxButtonEditingControl ctl = DataGridView.EditingControl as ComboBoxButtonEditingControl;
ctl.InitDataSource(dgcb.DataSource);
ctl.Init(initialFormattedValue);
ctl.BackColor = dataGridViewCellStyle.SelectionBackColor;
ctl.ColumnIndex = this.ColumnIndex;
}
protected override object GetFormattedValue(object value, int rowIndex, ref DataGridViewCellStyle cellStyle, System.ComponentModel.TypeConverter valueTypeConverter, System.ComponentModel.TypeConverter formattedValueTypeConverter, DataGridViewDataErrorContexts context)
{
if (value != null)
{
DataGridViewComboBoxButtonColumn dgcb = this.DataGridView.Columns[this.ColumnIndex] as DataGridViewComboBoxButtonColumn;
if (dgcb != null)
{
KeyValue item = dgcb.DataSource.Find(q => TryParse.ToString(q.ValueMember) == TryParse.ToString(value));
if (item != null)
{
this.Value = item.ValueMember;
return(item.DisplayMember.ToString());
}
}
}
return(base.GetFormattedValue(value, rowIndex, ref cellStyle, valueTypeConverter, formattedValueTypeConverter, context));
}