public string GetItemText(object item, string fieldName)
{
object propertyValue = GetPropertyValue(item, fieldName);
if (!_FormattingEnabled)
{
if (item == null)
{
return string.Empty;
}
if (propertyValue == null)
{
return "";
}
return Convert.ToString(propertyValue, CultureInfo.CurrentCulture);
}
TreeConvertEventArgs e = new TreeConvertEventArgs(propertyValue, typeof(string), item, fieldName);
this.OnFormat(e);
if ((e.Value != item) && (e.Value is string))
{
return (string)e.Value;
}
if (stringTypeConverter == null)
{
stringTypeConverter = TypeDescriptor.GetConverter(typeof(string));
}
try
{
return (string)FormatHelper.FormatObject(propertyValue, typeof(string), GetFieldConverter(fieldName), stringTypeConverter, _FormatString, _FormatInfo, null, DBNull.Value);
}
catch (Exception ex)
{
if (ex is SecurityException || IsCriticalException(ex))
{
throw;
}
return ((propertyValue != null) ? Convert.ToString(item, CultureInfo.CurrentCulture) : "");
}
}
/// <summary>
/// Raises the Format event.
/// </summary>
/// <param name="e">Event parameters</param>
protected virtual void OnFormat(TreeConvertEventArgs e)
{
TreeConvertEventHandler handler = Format;
if (handler != null)
{
handler(this, e);
}
}
