public void EqualsTest()
{
BindingMemberInfo a = new BindingMemberInfo("A.B.C");
BindingMemberInfo b = new BindingMemberInfo("A.B.C");
Assert.AreEqual(a, b, "EQUALS1");
b = new BindingMemberInfo("A.B");
Assert.IsFalse(a.Equals(b), "EQUALS2");
}
public void Equals_Invoke_ReturnsExpected(BindingMemberInfo info, object other, bool expected)
{
if (other is BindingMemberInfo otherInfo)
{
Assert.Equal(expected, info == otherInfo);
Assert.Equal(!expected, info != otherInfo);
}
Assert.Equal(expected, info.Equals(other));
}
private void SetDataConnection(
object newDataSource
, BindingMemberInfo newDisplayMember
, bool force
)
{
bool flag = _dataSource != newDataSource;
bool flag2 = !_displayMember.Equals(newDisplayMember);
if (!_inSetDataConnection)
{
try
{
if ((force || flag) || flag2)
{
_inSetDataConnection = true;
IList list = (_dataManager != null) ? _dataManager.List : null;
bool flag3 = _dataManager == null;
this.UnwireDataSource();
_dataSource = newDataSource;
_displayMember = newDisplayMember;
this.WireDataSource();
if (_isDataSourceInitialized)
{
CurrencyManager manager = null;
if (((newDataSource != null) && (this.BindingContext != null)) && (newDataSource != Convert.DBNull))
{
manager = (CurrencyManager)this.BindingContext[newDataSource, newDisplayMember.BindingPath];
}
if (_dataManager != manager)
{
if (_dataManager != null)
{
_dataManager.ItemChanged -= new ItemChangedEventHandler(this.DataManager_ItemChanged);
_dataManager.PositionChanged -= new EventHandler(this.DataManager_PositionChanged);
}
_dataManager = manager;
if (_dataManager != null)
{
_dataManager.ItemChanged += new ItemChangedEventHandler(this.DataManager_ItemChanged);
_dataManager.PositionChanged += new EventHandler(this.DataManager_PositionChanged);
}
}
if (((_dataManager != null) && (flag2 || flag)) && (((_displayMember.BindingMember != null) && (_displayMember.BindingMember.Length != 0)) && !this.BindingMemberInfoInDataManager(_displayMember)))
{
throw new ArgumentException(res.Argument_WrongDisplayMember, "newDisplayMember");
}
if (((_dataManager != null) && ((flag || flag2) || force)) && (flag2 || (force && ((list != _dataManager.List) || flag3))))
{
ConstructorInfo ci = typeof(ItemChangedEventArgs).GetConstructor(
BindingFlags.CreateInstance | BindingFlags.NonPublic | BindingFlags.Instance
, null
, new Type[] { typeof(int) }
, null
);
Debug.Assert(ci != null, "ci != null");
this.DataManager_ItemChanged(
_dataManager
, (ItemChangedEventArgs)ci.Invoke(new object[] { -1 })
);
}
}
}
if (flag)
{
this.OnDataSourceChanged(EventArgs.Empty);
}
if (flag2)
{
this.OnDisplayMemberChanged(EventArgs.Empty);
}
}
finally
{
_inSetDataConnection = false;
}
}
}