private static void ProvideItemsCallback(object sender, EventArgs e)
{
var commandEvent = sender as MenuCommand;
var commandEventArgs = e as OleMenuCmdEventArgs;
if ((commandEvent != null) && (null != commandEventArgs))
{
if (commandEventArgs.Options == OLECMDEXECOPT.OLECMDEXECOPT_DODEFAULT)
{
int commandId = commandEvent.CommandID.ID;
IComboBoxCommandHandler handler = GetHandlerFor(commandId);
IEnumerable <string> items = handler.GetAvailableItems(commandId);
Marshal.GetNativeVariantForObject(items, commandEventArgs.OutValue);
}
}
}
private static void ItemSelectionCallback(object sender, EventArgs e)
{
var commandEvent = sender as MenuCommand;
var commandEventArgs = e as OleMenuCmdEventArgs;
if ((commandEvent != null) && (null != commandEventArgs))
{
int commandId = commandEvent.CommandID.ID;
IComboBoxCommandHandler handler = GetHandlerFor(commandId);
if (commandEventArgs.OutValue != IntPtr.Zero)
{
string items = handler.GetSelectedItem(commandId);
Marshal.GetNativeVariantForObject(items, commandEventArgs.OutValue);
}
else if (commandEventArgs.InValue != null)
{
var selectedItem = commandEventArgs.InValue as string;
handler.Selected(selectedItem, commandId);
}
}
}
