public static StringCollection GetDataSourceCoordinateFields(object dataSource, string dataMember, string fieldToExclude)
{
StringCollection stringCollection = new StringCollection();
ArrayList dataSourceDataFields = DataBindingHelper.GetDataSourceDataFields(dataSource, dataMember, fieldToExclude);
foreach (DataFieldDescriptor item in dataSourceDataFields)
{
if (DataBindingHelper.IsValidAsCoordinateType(item.Type))
{
stringCollection.Add(item.Name);
}
}
return(stringCollection);
}
public override StandardValuesCollection GetStandardValues(ITypeDescriptorContext context)
{
ArrayList values = new ArrayList();
if (context != null && context.Instance != null && context.Instance is DataBindingRuleBase)
{
try
{
object obj = null;
DataBindingRuleBase dataBindingRuleBase = (DataBindingRuleBase)context.Instance;
obj = dataBindingRuleBase.DataSource;
if (obj != null)
{
values = DataBindingHelper.GetDataSourceDataFields(obj, dataBindingRuleBase.DataMember, string.Empty);
}
}
catch
{
}
}
return(new StandardValuesCollection(values));
}
public static void InitDesignDataTable(object dataSource, string dataMember, DataTable designDataTable)
{
if (dataSource != null)
{
designDataTable.Clear();
designDataTable.Columns.Clear();
try
{
ArrayList dataSourceDataFields = DataBindingHelper.GetDataSourceDataFields(dataSource, dataMember, string.Empty);
if (dataSourceDataFields.Count != 0)
{
foreach (DataFieldDescriptor item in dataSourceDataFields)
{
designDataTable.Columns.Add(item.Name, Field.ConvertToSupportedType(item.Type));
}
}
}
catch (Exception)
{
}
}
}