When a change is made to the control's data source, an asynchronous request is sent to the OLAP server. Before the user interface can be updated to reflect the change, the control must wait for the server to respond to this request; during the period of time between the request and response, this property returns true.
Attempting to make changes to the data objects obtained through the control's Rows and Columns collections
Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2