MSI.QueryProductState

number MSI.QueryProductState (

Example 1

-- Get the product's installed state.
nState = MSI.QueryProductState("{78B82B0B-9AD9-40C0-B994-F72C21B52723}");

if (INSTALLSTATE_DEFAULT == nState) then
Dialog.Message("Installed State", "The product is installed for the current user.");
else
Dialog.Message("State Unknown", "The product is either not installed, or an error occurred.");
end

Determines whether or not a product with the product code "{78B82B0B-9AD9-40C0-B994-F72C21B52723}" is installed for the current user showing the result in a dialog message.