private bool BindingMemberInfoInDataManager(I3TreeViewBindingMemberInfo bindingMemberInfo)
{
this.keyDescriptor = null;
this.parentKeyDescriptor = null;
this.displayDescriptor = null;
this.sortDescriptor = null;
this.checkDescriptor = null;
this.imageDescriptor = null;
if (this.dataManager != null)
{
PropertyDescriptorCollection itemProperties = this.dataManager.GetItemProperties();
int count = itemProperties.Count;
for (int i = 0; i < count; i++)
{
//if (!typeof(IList).IsAssignableFrom(itemProperties[i].PropertyType))//???????????????
//{
if (itemProperties[i].Name.Equals(bindingMemberInfo.KeyMember))
{
this.keyDescriptor = itemProperties[i];
}
if (itemProperties[i].Name.Equals(bindingMemberInfo.ParentKeyMember))
{
this.parentKeyDescriptor = itemProperties[i];
}
if (itemProperties[i].Name.Equals(bindingMemberInfo.DisplayMember))
{
this.displayDescriptor = itemProperties[i];
}
if (itemProperties[i].Name.Equals(bindingMemberInfo.SortMember))
{
this.sortDescriptor = itemProperties[i];
}
if (itemProperties[i].Name.Equals(bindingMemberInfo.CheckMember))
{
this.checkDescriptor = itemProperties[i];
}
if (itemProperties[i].Name.Equals(bindingMemberInfo.ImageMember))
{
this.imageDescriptor = itemProperties[i];
}
//}
}
if (this.keyDescriptor != null && this.parentKeyDescriptor != null && this.displayDescriptor != null)
{
return(true);
}
}
return(false);
}
public override bool Equals(object obj)
{
if (obj == null || obj.GetType() != typeof(I3TreeViewBindingMemberInfo))
{
return(false);
}
I3TreeViewBindingMemberInfo dest = obj as I3TreeViewBindingMemberInfo;
return(string.Equals(this.keyMember, dest.keyMember) && string.Equals(this.parentKeyMember, dest.parentKeyMember) &&
string.Equals(this.displayMember, dest.displayMember) && string.Equals(this.sortMember, dest.sortMember) &&
this.sortMode == dest.sortMode && string.Equals(this.imageMember, dest.imageMember));
}
private void SetDataConnection(object newDataSource, I3TreeViewBindingMemberInfo newBindingInfo, bool force)
{
bool flag = this.dataSource != newDataSource;
bool flag2 = !this.bindingInfo.Equals(newBindingInfo);
if (!this.inSetDataConnection)
{
try
{
if ((force || flag) || flag2)
{
this.inSetDataConnection = true;
this.nodeList.Clear();
this.Nodes.Clear();
IList list = (this.DataManager != null) ? this.DataManager.List : null;
bool flag3 = this.DataManager == null;
this.UnwireDataSource();
this.dataSource = newDataSource;
this.bindingInfo = newBindingInfo;
this.WireDataSource();
if (this.isDataSourceInitialized)
{
CurrencyManager manager = null;
if (((newDataSource != null) && (this.BindingContext != null)) && (newDataSource != Convert.DBNull))
{
manager = (CurrencyManager)this.BindingContext[newDataSource];
}
if (this.dataManager != manager)
{
if (this.dataManager != null)
{
this.dataManager.PositionChanged -= new EventHandler(this.DataManager_PositionChanged);
this.dataManager.ListChanged -= new ListChangedEventHandler(dataManager_ListChanged);
}
this.dataManager = manager;
if (this.dataManager != null)
{
this.dataManager.PositionChanged += new EventHandler(this.DataManager_PositionChanged);
this.dataManager.ListChanged += new ListChangedEventHandler(dataManager_ListChanged);
}
}
if (((this.dataManager != null) && (flag2 || flag)) && (((this.bindingInfo != null) && this.bindingInfo.Check()) && !this.BindingMemberInfoInDataManager(this.bindingInfo)))
{
throw new ArgumentException("BindingMemberInfo Error");
}
//if (((this.dataManager != null) && ((flag || flag2) || force)) && (flag2 || (force && ((list != this.dataManager.List) || flag3))))
//{
//this.DataManager_ItemChanged(this.dataManager, null);
//}
}
this.InitNodes();
if (this.Nodes.Count > 0)
{
this.SelectedNode = this.Nodes[0];
}
//this.displayMemberConverter = null;
}
//if (flag)
//{
// this.OnDataSourceChanged(EventArgs.Empty);
//}
//if (flag2)
//{
// this.OnBindingMemberInfoChanged(EventArgs.Empty);
//}
}
finally
{
this.inSetDataConnection = false;
}
}
}
