public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType)
{
if (destinationType == typeof(String) && value is MyComboProperties)
{
MyComboProperties _comboProperties = (MyComboProperties)value;
return(_comboProperties.MyDisplayMember.ToString() + "; " + _comboProperties.MySourceQuery.ToString() + "; " + _comboProperties.MyValueMember.ToString());
}
return(base.ConvertTo(context, culture, value, destinationType));
}
public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value)
{
if (value is string)
{
MyComboProperties _comboProperties = new MyComboProperties();
string strExtractData = (string)value;
string strDisplayMember = strExtractData.Substring(strExtractData.IndexOf(";") + 1, strExtractData.Length).Trim();
string strSourceQuery = strExtractData.Substring(strExtractData.IndexOf(";") + 1, strExtractData.Length).Trim();
string strValueMember = strExtractData.Substring(strExtractData.IndexOf(";") + 1, strExtractData.Length).Trim();
_comboProperties.MyDisplayMember = strDisplayMember;
_comboProperties.MySourceQuery = strSourceQuery;
_comboProperties.MyValueMember = strValueMember;
return(_comboProperties);
}
return(base.ConvertFrom(context, culture, value));
}
