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_IUccContactEvents.OnRemovedFromGroup Method

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Raised when a contact is removed from a group.

Namespace: Microsoft.Office.Interop.UccApi
Assembly: Microsoft.Office.Interop.UccApi (in

void OnRemovedFromGroup (
	UccContact pEventSource,
	UccGroupMembershipEvent pEventData
void OnRemovedFromGroup (
	UccContact pEventSource, 
	UccGroupMembershipEvent pEventData
function OnRemovedFromGroup (
	pEventSource : UccContact, 
	pEventData : UccGroupMembershipEvent



A value of the IUccContact* (UccContact, for a .NET application) type. This represents the contact who is removed from a specified group.


A value of the IUccGroupMembershipEvent* (UccGroupMembershipEvent, for a .NET application) type. This contains the group from which the specified contact is removed.

The IUccContact interface passed as the pEventSource parameter represents the contac that was removed from a group. The Groups property contains an updated collection of the contact's groups. The collection does not contain the group that the contact was removed from.

Win32 COM/C++ Syntax

HRESULT OnRemovedFromGroup
   IUccContact* pEventSource,
   IUccGroupMembershipEvent* pEventData
In a Win32 application, the return value of a method or property is always an HRESULT value indicating the status of the call to the interface member. Any result of the operation is returned as a parameter marked with the [out, retval] attribute. In contrast, in a .NET application the HRESULT value indicating an error condition is returned as a COM exception and the [out, retval] parameter becomes the return value. For the UCC API-defined HRESULT values, see Trace and Handle Errors in Unified Communications Client API .

The following example removes a group name from a List (cl). The client is excluding the "~" group membership of the given contact.

void _IUccContactEvents.OnRemovedFromGroup (
    UccContact pEventSource, 
    UccGroupMembershipEvent pEventData)
    IUccCollection groups = pEventSource.Groups;
    if (groups.Count > 0)
        StringBuilder groupNames = new StringBuilder();
        foreach (IUccGroup g in groups)
            if (g.Name != "~")
           "group membership: " + 

All public static (Shared in Visual Basic) members of this type are thread-safe. Instance members are not guaranteed to be thread-safe.

Development Platforms

Windows XP Professional with Service Pack 2 (SP2), Windows Server 2000 with Service Pack 4, Windows Server 2003, Windows Vista Ultimate Edition, Windows Vista Business Edition, Windows Vista Enterprise Edition

Target Platforms