private void _btnRemove_Click(object sender, EventArgs e)
{
if (DataSource == null)
{
return;
}
CalcFieldItem cfi = GetSelectedItem();
if (cfi != null)
{
int idx = cfi.Index;
this.DataSource.CalculatedFields.Remove(cfi.Field);
_lvCalculatedFields.Items.Remove(cfi);
_lvCalculatedFields.Focus();
if (idx >= _lvCalculatedFields.Items.Count)
{
--idx;
}
if (idx >= 0)
{
_lvCalculatedFields.Items[idx].Selected = true;
}
}
}
private void _lvCalculatedFields_SelectedIndexChanged(object sender, EventArgs e)
{
CalcFieldItem cfi = GetSelectedItem();
_propGrid.SelectedObject = cfi != null?EditorsHelper.CreateInstanceModel(cfi.Field, DesignerHostServices) : null;
_btnRemove.Enabled = cfi != null;
}