How to manually drop down a DataGridViewComboBoxColumn?

Question

I have a DataGridView with one DataGridViewComboBoxColumn in my WinForms application. I need to drop down (open) this DataGridViewComboBoxColumn manually, let\'s say after a

Answer 1

Thanks ThisMat, your solution works perfectly.

My code in C#:

private void dataGridViewWeighings_CellClick(object sender, DataGridViewCellEventArgs e) {
    if (e.RowIndex < 0) {
        return;     // Header
    }
    if (e.ColumnIndex != 5) {
        return;     // Filter out other columns
    }

    dataGridViewWeighings.BeginEdit(true);
    ComboBox comboBox = (ComboBox)dataGridViewWeighings.EditingControl;
    comboBox.DroppedDown = true;
}