/// <remarks/>
public void addToContactGroupAsync(AddToContactGroupRequest addToContactGroupRequest, object userState) {
if ((this.addToContactGroupOperationCompleted == null)) {
this.addToContactGroupOperationCompleted = new System.Threading.SendOrPostCallback(this.OnaddToContactGroupOperationCompleted);
}
this.InvokeAsync("addToContactGroup", new object[] {
addToContactGroupRequest}, this.addToContactGroupOperationCompleted, userState);
}
/// <remarks/>
public void addToContactGroupAsync(AddToContactGroupRequest addToContactGroupRequest) {
this.addToContactGroupAsync(addToContactGroupRequest, null);
}