| NAntContrib  Help  Function Reference  msi::is-installed | v0.93-nightly-2012-09-19 | 
[This is preliminary documentation and subject to change.]
 Returns a value indicating whether a product with the specified product code is installed. 
bool msi::is-installed(productCode)
            
    
    | Name | Type | Description | 
|---|---|---|
| productCode | string | The product code of the product to check. | 
Retrieves the product code of a given installer database, and fails the build if the product is not installed.
<property name="office.productcode" value=${msi::get-product-code('Office.msi')}" />
<fail unless="${msi::is-installed(office.productcode)}">Please install Office first.</fail>