/// <summary>
/// Closes the dropdown portion and enacts any changes according to the specified boolean parameter.
/// NOTE: even though the caller might ask for changes to be enacted, this doesn't necessarily mean
/// that any changes have occurred as such. Caller should check the ValueChanged property of the
/// CheckedComboBox (after the dropdown has closed) to determine any actual value changes.
/// </summary>
/// <param name="enactChanges"></param>
public void CloseDropdown(bool enactChanges)
{
if (dropdownClosed)
{
return;
}
// Perform the actual selection and display of checked items.
if (enactChanges)
{
ccbParent.SelectedIndex = -1;
// Set the text portion equal to the string comprising all checked items (if any, otherwise empty!).
ccbParent.SetText(GetCheckedItemsStringValue());
}
else
{
// Caller cancelled selection - need to restore the checked items to their original state.
for (int i = 0; i < cclb.Items.Count; i++)
{
cclb.SetItemChecked(i, checkedStateArr[i]);
}
}
// From now on the dropdown is considered closed. We set the flag here to prevent OnDeactivate() calling
// this method once again after hiding this window.
dropdownClosed = true;
// Set the focus to our parent CheckedComboBox and hide the dropdown check list.
ccbParent.Focus();
this.Hide();
// Notify CheckedComboBox that its dropdown is closed. (NOTE: it does not matter which parameters we pass to
// OnDropDownClosed() as long as the argument is CCBoxEventArgs so that the method knows the notification has
// come from our code and not from the framework).
ccbParent.OnDropDownClosed(new CCBoxEventArgs(null, false));
}
