public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture)
{
var flag = false;
if (values != null && values.Length == 3)
{
KeyControl keyControl = values[0] as KeyControl;
string uuid = values[1] as string;
bool? isSelected = values[2] as bool?;
if (keyControl != null && !string.IsNullOrEmpty(uuid) && isSelected != null && isSelected.HasValue)
{
flag = keyControl.DoesPdfExist(uuid) && isSelected.Value;
}
}
if (parameter != null)
{
if (bool.Parse((string)parameter))
{
flag = !flag;
}
}
if (flag)
{
return(Visibility.Visible);
}
else
{
return(Visibility.Collapsed);
}
}