Begins an asynchronous operation to remove a specified contact.

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

Syntax

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

Parameters

contactUri
Type: String
The contact to be deleted.
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
ArgumentNullException Thrown when contactUriis null.
ArgumentException Thrown when contactUriis empty.
InvalidOperationException Thrown when subscription state is not idle or subscribed.

See Also