/// <summary>
/// 异步读取实例集合
/// <para>框架</para>
/// </summary>
protected void BeginReadContentsFrame()
{
if (CondContents == null)
{
return;
}
TryCancelTask();
TaskMgt = DHelper.StartTask(() =>
{
Window dlg = default;
try
{
dlg = ShowDlgWait();
CtxContents = new Ctx();
Task <List <T> > t = CondContents.ToListAsync(TokenMgt.Token);
t.Wait();
if (TaskMgt.Status == TaskStatus.Canceled)
{
return;
}
Contents = t.Result;
BuildContentsView();
}
catch (Exception ex) { ReadFailed(ex); }
finally { TryCloseDlg(dlg); }
});
}
/// <summary>
/// 读取实例集合
/// <para>框架</para>
/// </summary>
/// <returns></returns>
protected override bool ReadContentsFrame()
{
try
{
CtxContents = new Ctx();
Contents = CondContents.ToList();
BuildTreeChildren("1");
BuildContentsView();
return(true);
}
catch (Exception ex) { return(ReadFailed(ex)); }
}
/// <summary>
/// 读取实例集合
/// <para>框架</para>
/// </summary>
/// <param name="set_query_condition"></param>
/// <returns></returns>
protected bool ReadContentsFrame(Action set_query_condition)
{
try
{
CtxContents = new Ctx();
set_query_condition();
Contents = CondContents.ToList();
BuildContentsView();
return(true);
}
catch (Exception ex) { return(ReadFailed(ex)); }
}
/// <summary>
/// 读取实例集合
/// <para>框架</para>
/// </summary>
/// <param name="query_condition"></param>
/// <returns></returns>
protected bool ReadContentsFrame(Func <DbSet <T>, IQueryable <T> > query_condition)
{
try
{
CtxContents = new Ctx();
CondContents = query_condition(CtxContents.Set <T>());
Contents = CondContents.ToList();
BuildContentsView();
return(true);
}
catch (Exception ex) { return(ReadFailed(ex)); }
}
/// <summary>
/// 读取实例集合
/// <para>框架</para>
/// </summary>
/// <returns></returns>
protected bool ReadContentsFrame()
{
if (CondContents == null)
{
return(false);
}
try
{
CtxContents = new Ctx();
Contents = CondContents.ToList();
BuildContentsView();
return(true);
}
catch (Exception ex) { return(ReadFailed(ex)); }
}
