Begins asynchronous ResolveNames operation. Searches Exchange users and Contacts for the specified name.

Namespace:  Rebex.Legacy
Assembly:  Rebex.Ews (in Rebex.Ews.dll)


Visual Basic
Public Shared Function BeginResolveNames ( _
	instance As Ews, _
	name As String, _
	callback As AsyncCallback, _
	state As Object _
) As IAsyncResult
public static IAsyncResult BeginResolveNames(
	Ews instance,
	string name,
	AsyncCallback callback,
	Object state


Type: Rebex.Net..::..Ews
Instance of Ews.
Type: System..::..String
Name to be resolved (part of the User or Contact name).
Type: System..::..AsyncCallback
An optional asynchronous callback to be called when the operation is complete.
Type: System..::..Object
A user-provided object that identifies this particular asynchronous operation.

Return Value

An IAsyncResult that references the asynchronous operation.


The method searches in Name field of Exchange users and Contacts only. It doesn't search in Email address field, so requests like ResolveNames("@domain") find nothing typically.

In builds for .NET 4.0 and higher, this method is available as an extension method. Add 'using Rebex.Legacy' (C#) or 'Import Rebex.Legacy' (VB.NET) to your code in order to use it.


ResolveNames("test") finds:
  • - users like "Joe Tester"
  • - contacts like "Joe Tester ''"

Version Information

.NET Framework

Supported in: 4.8, 4.7.x, 4.6.x, 4.5.x, 4.0

.NET Standard 2.0

Supported in: .NET Core 3.1, 3.0, 2.1; Xamarin.Android 9.1 (or higher); Xamarin.iOS 10.3 (or higher)

See Also