本文整理汇总了C#中System.Collections.ObservableCollection.GroupBy方法的典型用法代码示例。如果您正苦于以下问题：C# ObservableCollection.GroupBy方法的具体用法？C# ObservableCollection.GroupBy怎么用？C# ObservableCollection.GroupBy使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.Collections.ObservableCollection的用法示例。
在下文中一共展示了ObservableCollection.GroupBy方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: GetAccountSummaryCallback
private void GetAccountSummaryCallback(Guid instrumentId, List<CommonOpenInterestSummary> openInterestSummarys)
{
this.Dispatcher.BeginInvoke((Action)delegate()
{
if (openInterestSummarys == null) return;
ExchangeSettingManager settingManager = this._App.ExchangeDataManager.GetExchangeSetting(this._CurrentExchangeCode);
ObservableCollection<OpenInterestSummary> accountGroupSummarys = new ObservableCollection<OpenInterestSummary>();
foreach (CommonOpenInterestSummary openInterestSummary in openInterestSummarys)
{
OpenInterestSummary entity = new OpenInterestSummary(openInterestSummary, OpenInterestSummaryType.Account);
entity.InstrumentId = instrumentId;
Guid accountId = entity.Id;
Account account = settingManager.GetAccount(accountId);
if (account != null)
{
entity.Code = account.Code;
}
accountGroupSummarys.Add(entity);
}
OpenInterestSummary instrumentSummary = this._OpenInterestSummarys.SingleOrDefault(P => P.Id == instrumentId);
instrumentSummary.ChildSummaryItems.Clear();
IEnumerable<IGrouping<string, OpenInterestSummary>> query = accountGroupSummarys.GroupBy(P => P.GroupCode, P => P);
foreach (IGrouping<string, OpenInterestSummary> group in query)
{
OpenInterestSummary groupSummary = new OpenInterestSummary(OpenInterestSummaryType.Group);
Guid accountId = accountGroupSummarys[0].Id;
Guid accountGroupId = Guid.Empty;
Account account = settingManager.GetAccount(accountId);
if (account != null)
{
accountGroupId = account.GroupId;
}
AccountGroup accountGroup = settingManager.GetAccountGroup(accountGroupId);
if (accountGroup != null)
{
groupSummary.Code = accountGroup.Code;
}
groupSummary.Id = accountGroupId;
List<OpenInterestSummary> accountSummarys = group.ToList<OpenInterestSummary>();
foreach (OpenInterestSummary item in accountGroupSummarys)
{
groupSummary.SetItem(item,true);
groupSummary.ChildSummaryItems.Add(item);
}
groupSummary.SetAvgPrice();
instrumentSummary.ChildSummaryItems.Add(groupSummary);
}
});
}示例2: GetAccountSummaryCallback
private void GetAccountSummaryCallback(Guid instrumentId, List<CommonOpenInterestSummary> openInterestSummarys)
{
this.Dispatcher.BeginInvoke((Action)delegate()
{
if (openInterestSummarys == null) return;
OpenInterestSummary instrumentSummary = this._OpenInterestSummaryModel.GetInstrumentSummaryItem(instrumentId);
this._OpenInterestSummaryModel.ResetChildItem(instrumentSummary);
ExchangeSettingManager settingManager = this._App.ExchangeDataManager.GetExchangeSetting(this._CurrentExchangeCode);
ObservableCollection<OpenInterestSummary> accountItemList = new ObservableCollection<OpenInterestSummary>();
foreach (CommonOpenInterestSummary commonEntity in openInterestSummarys)
{
OpenInterestSummary accountSummaryItem = new OpenInterestSummary(commonEntity,OpenInterestSummaryType.Account);
accountSummaryItem.InstrumentId = instrumentId;
Guid accountId = accountSummaryItem.Id;
Account account = settingManager.GetAccount(accountId);
if (account == null) continue;
accountSummaryItem.GroupId = account.GroupId;
accountSummaryItem.Code = account.Code;
AccountGroup accountGroup = settingManager.GetAccountGroup(account.GroupId);
accountSummaryItem.GroupCode = accountGroup.Code;
accountItemList.Add(accountSummaryItem);
}
IEnumerable<IGrouping<string, OpenInterestSummary>> query = accountItemList.GroupBy(P => P.GroupCode, P => P);
foreach (IGrouping<string, OpenInterestSummary> group in query)
{
OpenInterestSummary accountItem = group.First();
OpenInterestSummary groupSummary = new OpenInterestSummary(null,OpenInterestSummaryType.Group);
groupSummary.UpdateGroupFromAccountItem(accountItem);//更新分子分母
List<OpenInterestSummary> accountSummarys = group.ToList<OpenInterestSummary>();
foreach (OpenInterestSummary item in accountSummarys)
{
groupSummary.SetItem(item, true);
groupSummary.ChildSummaryItems.Add(item);
}
groupSummary.SetAvgPrice();
instrumentSummary.ChildSummaryItems.Add(groupSummary);
}
});
}