/// <summary>
/// Updates list content with information from the datasource
/// </summary>
protected virtual void UpdateDataSource()
{
if (Element != null && BindingContext != null && DataSource != null)
{
DataManager = (CurrencyManager)BindingContext[DataSource];
var container = GetItemsContainer();
for (var i = 0; i < DataManager.List.Count; ++i)
{
using (var item = CreateItem(i, DataManager.List[i]))
container.InsertElement(item.Element, i);
}
// Force selected item update (needed to refresh caption in the dropdown)
ProcessItemChanged(DataManager.Position);
Element.Update();
}
else
{
DataManager = null;
}
}
public BindingSource(object dataSource, string dataMember)
{
this.dataMember = string.Empty;
this.raiseListChangedEvents = true;
this.allowNewSetValue = true;
this.addNewPos = -1;
this.dataSource = dataSource;
this.dataMember = dataMember;
this._innerList = new ArrayList();
this.currencyManager = new System.Windows.Forms.CurrencyManager(this);
this.WireCurrencyManager(this.currencyManager);
this.ResetList();
this.listItemPropertyChangedHandler = new EventHandler(this.ListItem_PropertyChanged);
this.WireDataSource();
}
public DataGridTableStyle(System.Windows.Forms.CurrencyManager listManager)
{
throw new NotImplementedException(".ctor");
}
protected internal override void Paint(System.Drawing.Graphics g, System.Drawing.Rectangle bounds, System.Windows.Forms.CurrencyManager source, int rowNum)
{
throw new NotImplementedException("Paint");
}
public static void RefreshData(this System.Windows.Forms.ListControl list)
{
System.Windows.Forms.CurrencyManager myCurrencyManager = (System.Windows.Forms.CurrencyManager)list.BindingContext[list.DataSource];
myCurrencyManager.Refresh();
}
protected internal override void Edit(System.Windows.Forms.CurrencyManager source, int rowNum, System.Drawing.Rectangle bounds, bool readOnly, System.String instantText, bool cellIsVisible)
{
throw new NotImplementedException("Edit");
}
protected internal override System.Object GetColumnValueAtRow(System.Windows.Forms.CurrencyManager lm, int row)
{
throw new NotImplementedException("GetColumnValueAtRow");
}
protected internal override bool Commit(System.Windows.Forms.CurrencyManager dataSource, int rowNum)
{
throw new NotImplementedException("Commit");
}
protected internal override void Paint(System.Drawing.Graphics g, System.Drawing.Rectangle bounds, System.Windows.Forms.CurrencyManager source, int rowNum, System.Drawing.Brush backBrush, System.Drawing.Brush foreBrush, bool alignToRight)
{
throw new NotImplementedException("Paint");
}
protected override void Edit(System.Windows.Forms.CurrencyManager source,
int rowNum,
System.Drawing.Rectangle bounds,
bool breadOnly, string instantText, bool cellsVisible)
{
}
public void SetDataConnection(object dataSource, string dataMember)
{
if (!this.dataConnectionState[1])
{
this.ResetDataConnectionState();
if (dataMember == null)
{
dataMember = string.Empty;
}
ISupportInitializeNotification notification = this.dataSource as ISupportInitializeNotification;
if ((notification != null) && this.dataConnectionState[0x40000])
{
notification.Initialized -= new EventHandler(this.DataSource_Initialized);
this.dataConnectionState[0x40000] = false;
}
this.dataSource = dataSource;
this.dataMember = dataMember;
if (this.owner.BindingContext != null)
{
this.dataConnectionState[1] = true;
try
{
this.UnWireEvents();
if (((this.dataSource != null) && (this.owner.BindingContext != null)) && (this.dataSource != Convert.DBNull))
{
notification = this.dataSource as ISupportInitializeNotification;
if ((notification != null) && !notification.IsInitialized)
{
if (!this.dataConnectionState[0x40000])
{
notification.Initialized += new EventHandler(this.DataSource_Initialized);
this.dataConnectionState[0x40000] = true;
}
this.currencyManager = null;
}
else
{
this.currencyManager = this.owner.BindingContext[this.dataSource, this.dataMember] as System.Windows.Forms.CurrencyManager;
}
}
else
{
this.currencyManager = null;
}
this.WireEvents();
if (this.currencyManager != null)
{
this.props = this.currencyManager.GetItemProperties();
}
else
{
this.props = null;
}
}
finally
{
this.dataConnectionState[1] = false;
}
this.ResetCachedAllowUserToAddRowsInternal();
if (this.currencyManager != null)
{
this.lastListCount = this.currencyManager.Count;
}
else
{
this.lastListCount = -1;
}
}
}
}
public void Dispose()
{
this.UnWireEvents();
this.currencyManager = null;
}
