/// <include file='doc\DataGridGeneralPage.uex' path='docs/doc[@for="DataGridGeneralPage.LoadDataSourceFields"]/*' />
/// <devdoc>
/// </devdoc>
private void LoadDataSourceFields()
{
EnterLoadingMode();
dataKeyFieldCombo.SelectedIndex = -1;
dataKeyFieldCombo.Items.Clear();
dataKeyFieldCombo.EnsureNotSetItem();
if (currentDataSource != null)
{
PropertyDescriptorCollection fields = currentDataSource.Fields;
if (fields != null)
{
IEnumerator fieldEnum = fields.GetEnumerator();
while (fieldEnum.MoveNext())
{
PropertyDescriptor fieldDesc = (PropertyDescriptor)fieldEnum.Current;
if (BaseDataList.IsBindableType(fieldDesc.PropertyType))
{
dataKeyFieldCombo.AddItem(fieldDesc.Name);
}
}
}
}
ExitLoadingMode();
}
/// <summary>
/// </summary>
private void LoadDataSourceFields()
{
using (new LoadingModeResource(this))
{
_dataTextFieldCombo.SelectedIndex = -1;
_dataTextFieldCombo.Items.Clear();
_dataTextFieldCombo.EnsureNotSetItem();
_dataValueFieldCombo.SelectedIndex = -1;
_dataValueFieldCombo.Items.Clear();
_dataValueFieldCombo.EnsureNotSetItem();
if (_currentDataSource != null)
{
PropertyDescriptorCollection fields = _currentDataSource.Fields;
if (fields != null)
{
IEnumerator fieldEnum = fields.GetEnumerator();
while (fieldEnum.MoveNext())
{
PropertyDescriptor fieldDesc = (PropertyDescriptor)fieldEnum.Current;
if (BaseDataList.IsBindableType(fieldDesc.PropertyType))
{
_dataTextFieldCombo.AddItem(fieldDesc.Name);
_dataValueFieldCombo.AddItem(fieldDesc.Name);
}
}
}
}
}
}
public PropertyDescriptorCollection GetProperties(Attribute[] attributes)
{
List <CustomPropertyDescriptor> tmpPDCLst = new List <CustomPropertyDescriptor>();
PropertyDescriptorCollection tmpPDC = TypeDescriptor.GetProperties(mCurrentSelectObject, attributes);
IEnumerator tmpIe = tmpPDC.GetEnumerator();
CustomPropertyDescriptor tmpCPD;
PropertyDescriptor tmpPD;
while (tmpIe.MoveNext())
{
tmpPD = tmpIe.Current as PropertyDescriptor;
if (mObjectAttribs.ContainsKey(tmpPD.Name))
{
tmpCPD = new CustomPropertyDescriptor(mCurrentSelectObject, tmpPD);
tmpCPD.SetDisplayName(mObjectAttribs[tmpPD.Name]);
if (mObjectGroup.ContainsKey(tmpPD.Name))
{
tmpCPD.SetCategory(mObjectGroup[tmpPD.Name]);
}
else
{
tmpCPD.SetCategory(tmpPD.Category + "中文");
}
tmpPDCLst.Add(tmpCPD);
}
}
return(new PropertyDescriptorCollection(tmpPDCLst.ToArray()));
}
public static IEnumerable <PropertyDescriptor> GetProperties(object source) // this object source)
{
PropertyDescriptorCollection properties = TypeDescriptor.GetProperties(source);
var numer = properties.GetEnumerator();
while (numer.MoveNext())
{
// https://raw.githubusercontent.com/Microsoft/referencesource/master/System/compmod/system/componentmodel/ReflectPropertyDescriptor.cs
// ReflectPropertyDescriptor
yield return(numer.Current as PropertyDescriptor);
}
}
// <Snippet1>
private void MyEnumerator()
{
// Creates a new collection and assigns it the properties for button1.
PropertyDescriptorCollection properties = TypeDescriptor.GetProperties(button1);
// Creates an enumerator.
IEnumerator ie = properties.GetEnumerator();
// Prints the name of each property in the collection.
Object myProperty;
while (ie.MoveNext() == true)
{
myProperty = ie.Current;
textBox1.Text += myProperty.ToString() + '\n';
}
}
/// <summary>
/// </summary>
private void LoadDataSourceFields()
{
using (new LoadingModeResource(this))
{
ObjectList objectList = (ObjectList)GetBaseControl();
_cmbLabelField.SelectedIndex = -1;
_cmbLabelField.Items.Clear();
_cmbLabelField.EnsureNotSetItem();
_xLists.Clear();
if (_currentDataSource == null)
{
return;
}
// Use StringCollection to preserve the order, note the items
// are case-sensitivie
StringCollection availableFieldCollection = new StringCollection();
// Get available fields from custom defined fields
foreach (ObjectListField customDefinedField in objectList.Fields)
{
_cmbLabelField.AddItem(customDefinedField.Name);
availableFieldCollection.Add(customDefinedField.Name);
}
// Get available fields from DataSource
if (objectList.AutoGenerateFields)
{
PropertyDescriptorCollection fields = _currentDataSource.Fields;
if (fields != null)
{
IEnumerator fieldEnum = fields.GetEnumerator();
while (fieldEnum.MoveNext())
{
PropertyDescriptor fieldDesc = (PropertyDescriptor)fieldEnum.Current;
if (IsBindableType(fieldDesc.PropertyType))
{
_cmbLabelField.AddItem(fieldDesc.Name);
availableFieldCollection.Add(fieldDesc.Name);
}
}
}
}
// Match selected fields from TableFields
Debug.Assert(objectList.TableFields != null);
if (objectList.TableFields != String.Empty && !_dataSourceDirty)
{
Char[] separator = new Char[] { ';' };
String[] tableFields = objectList.TableFields.Split(separator);
foreach (String selectedField in tableFields)
{
for (int i = 0; i < availableFieldCollection.Count; i++)
{
String availableField = availableFieldCollection[i];
if (String.Compare(selectedField, availableField, true, CultureInfo.InvariantCulture) == 0)
{
_xLists.AddToSelectedList(availableField);
availableFieldCollection.RemoveAt(i);
break;
}
}
}
}
// Add the remaining unselected available fields back to AvailableList
foreach (String availableField in availableFieldCollection)
{
_xLists.AddToAvailableList(availableField);
}
_xLists.Initialize();
}
}
