/// <summary>
/// Helper method which generates columns for a given IItemProperties and adds
/// them either to a datagrid or to a collection of columns as specified by the flag.
/// </summary>
/// <param name="dataGrid"></param>
/// <param name="iItemProperties"></param>
/// <param name="columnCollection"></param>
private static void GenerateColumns(
IItemProperties iItemProperties,
DataGrid dataGrid,
Collection<DataGridColumn> columnCollection)
{
Debug.Assert(iItemProperties != null, "iItemProperties should not be null");
Debug.Assert(dataGrid != null || columnCollection != null, "Both dataGrid and columnCollection cannot not be null at the same time");
ReadOnlyCollection<ItemPropertyInfo> itemProperties = iItemProperties.ItemProperties;
if (itemProperties != null &&
itemProperties.Count > 0)
{
foreach (ItemPropertyInfo itemProperty in itemProperties)
{
DataGridColumn dataGridColumn = DataGridColumn.CreateDefaultColumn(itemProperty);
if (dataGrid != null)
{
// AutoGeneratingColumn event is raised before generating and adding column to datagrid
// and the column returned by the event handler is used instead of the original column.
DataGridAutoGeneratingColumnEventArgs eventArgs = new DataGridAutoGeneratingColumnEventArgs(dataGridColumn, itemProperty);
dataGrid.OnAutoGeneratingColumn(eventArgs);
if (!eventArgs.Cancel && eventArgs.Column != null)
{
eventArgs.Column.IsAutoGenerated = true;
dataGrid.Columns.Add(eventArgs.Column);
}
}
else
{
columnCollection.Add(dataGridColumn);
}
}
}
}
