Automatically expand a combobox when you click a combobox cell in a datagridview
Oi, that was a long title! Rhymes well with the DataGridView control, though - there are it's a BIG control and has a LOT of associated types. To the point, though:
private void dataGridView_CellClick(object sender, DataGridViewCellEventArgs e) { var editType = dataGridView.CurrentCell.EditType; if (editType == typeof(DataGridViewComboBoxEditingControl)) { dataGridView.BeginEdit(false); if (dataGridView.EditingControl is DataGridViewComboBoxEditingControl) { var editingControl = dataGridView.EditingControl as DataGridViewComboBoxEditingControl; editingControl.DroppedDown = true; } } }Hope this helps, // S
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