The ComponentState property is the installation state of the component for the instance of this product.
This property calls MsiQueryComponentState, with the ProductCode, UserSid, and Context of the object. The component Id GUID is provided as a parameter.
Component code GUID of the component as found in the ComponentID column of the Component table.
This method does not return a value.
If the call succeeds, the property contains the value as a DWORD.
|INSTALLSTATE_LOCAL||The component is installed locally.|
|INSTALLSTATE_SOURCE||The component is installed to run from the source.|
If the call fails, the property contains an error code from MsiQueryComponentState.
|ERROR_ACCESS_DENIED||The calling process must have administrative privileges to get information for a user other than the current user.|
|ERROR_BAD_CONFIGURATION||The configuration data is corrupt.|
|ERROR_INVALID_PARAMETER||An invalid parameter was passed to the function.|
|ERROR_SUCCESS||The function completed successfully.|
|ERROR_UNKNOWN_COMPONENT||The component ID does not identify a known component.|
|ERROR_UNKNOWN_PRODUCT||The product code does not identify a known product.|
|ERROR_FUNCTION_FAILED||An unexpected internal failure.|
|Windows Installer 5.0 on Windows Server 2012, Windows 8, Windows Server 2008 R2 or Windows 7. Windows Installer 4.0 or Windows Installer 4.5 on Windows Server 2008 or Windows Vista. Windows Installer 3.0 or later on Windows Server 2003, Windows XP, and Windows 2000|
IID_IProduct is defined as 000C10A0-0000-0000-C000-000000000046