Begins an asynchronous operation to get a cached contact.

Namespace:  Microsoft.Rtc.Collaboration.ContactsGroups
Assembly:  Microsoft.Rtc.Collaboration(in Microsoft.Rtc.Collaboration.dll)

Syntax

Visual Basic (Declaration) 
Public 
Function 
BeginGetCachedContact ( _
	
contactUri 
As 
String, _
	
userCallback 
As 
AsyncCallback, _
	
state 
As 
Object _
) 
As 
IAsyncResult
C# 
public 
IAsyncResult 
BeginGetCachedContact(
	
string 
contactUri,
	
AsyncCallback 
userCallback,
	
Object 
state
)
Visual C++ 
public:
IAsyncResult^ 
BeginGetCachedContact(
	
String^ 
contactUri, 
	
AsyncCallback^ 
userCallback, 
	
Object^ 
state
)
JavaScript 
function 
beginGetCachedContact(
contactUri, 
userCallback, 
state);

Parameters

contactUri
Type: String
Contact to get information about.
userCallback
Type: AsyncCallback
The method to be called when the asynchronous operation is completed.
state
Type: Object
A user-provided object that distinguishes this particular asynchronous operation from other asynchronous operations.

Return Value

An IAsyncResult that references the asynchronous operation.

Exceptions

Exception Condition
InvalidOperationException Thrown when the subscription state is not idle or subscribed.
ArgumentException Thrown when contactUriis null or empty.

See Also