public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value,
Type destinationType)
{
if (value is string)
{
var lang = value as string;
bool has = false;
foreach (string l in LanguageHolder.Instance().Languages)
{
if (l.Equals(lang))
{
has = true;
}
}
if (!has)
{
value = "English";
}
}
return(base.ConvertTo(context, culture, value, destinationType));
}
public override object EditValue(ITypeDescriptorContext context, IServiceProvider provider, object value)
{
fes = (IWindowsFormsEditorService)provider.GetService(typeof(IWindowsFormsEditorService));
if (fes == null)
{
return(value);
}
var lb = new ListBox {
Sorted = true, SelectionMode = SelectionMode.One, HorizontalScrollbar = true
};
foreach (string lang in LanguageHolder.Instance().Languages)
{
lb.Items.Add(lang);
}
int index = lb.Items.IndexOf(RConfig.Instance.Language);
lb.SelectedIndex = index == -1 ? 0 : index;
if (value != null)
{
index = lb.Items.IndexOf(value);
if (index > 0)
{
lb.SelectedIndex = index;
}
}
lb.SelectedIndexChanged += lb_SelectedIndexChanged;
fes.DropDownControl(lb);
return(lb.SelectedItem.ToString());
}
public static LanguageHolder Instance()
{
return(_instance ?? (_instance = new LanguageHolder()));
}
public static LanguageHolder Instance()
{
return _instance ?? (_instance = new LanguageHolder());
}