// Retrieves array of identifiers of available formats.
internal static int[] GetAvailableFormats(NSPasteboard pboard)
{
var ids = new List <int>();
var native = null == pboard.GetStringForType(Clipboard.IDataObjectFormat);
if (native)
{
// Data in the pasteboard comes from another application
foreach (var name in pboard.GetFormats())
{
ids.Add(DataFormats.Format.Add(name).Id);
}
}
else
{
// We provided the data for the pasteboard
if (managed.TryGetValue(Clipboard.IDataObjectFormat, out object obj) && obj is IDataObject idata)
{
foreach (var fmt in idata.GetFormats())
{
ids.Add(DataFormats.Format.Add(fmt).Id);
}
}
foreach (var key in managed.Keys)
{
ids.Add(DataFormats.Format.Add(key).Id);
}
}
return(ids.ToArray());
}