Delegate NestedQueryResultsDelegate

A delegate that allows the PassThroughGroupingResult to call back and retrieve nested tables with totals on demand.

Namespace: Syncfusion.Grouping

Assembly: Syncfusion.Grouping.Base.dll

Syntax

public delegate IEnumerable NestedQueryResultsDelegate(object[] keys, out object totals);

Parameters

Type	Name	Description
System.Object[]	keys	The object array
System.Object	totals	The totals

Returns

Type	Description
System.Collections.IEnumerable	Returns IEnumerable.

Constructors

NestedQueryResultsDelegate(Object, IntPtr)

Declaration

public NestedQueryResultsDelegate(object object, IntPtr method)

Parameters

Type	Name	Description
System.Object	object
System.IntPtr	method

Methods

BeginInvoke(Object[], out Object, AsyncCallback, Object)

Declaration

public virtual IAsyncResult BeginInvoke(object[] keys, out object totals, AsyncCallback callback, object object)

Parameters

Type	Name	Description
System.Object[]	keys
System.Object	totals
System.AsyncCallback	callback
System.Object	object

Returns

Type
System.IAsyncResult

EndInvoke(out Object, IAsyncResult)

Declaration

public virtual IEnumerable EndInvoke(out object totals, IAsyncResult result)

Parameters

Type	Name	Description
System.Object	totals
System.IAsyncResult	result

Returns

Type
System.Collections.IEnumerable

Invoke(Object[], out Object)

Declaration

public virtual IEnumerable Invoke(object[] keys, out object totals)

Parameters

Type	Name	Description
System.Object[]	keys
System.Object	totals

Returns

Type
System.Collections.IEnumerable