/// <summary>
/// Sets the full path to the designated folder on the installation target drive.
/// </summary>
/// <exception cref="ArgumentException">the folder was not found in the Directory table</exception>
/// <exception cref="InvalidHandleException">the Session handle is invalid</exception>
/// <remarks><p>
/// Setting the target path of a directory changes the path specification for the directory
/// in the in-memory Directory table. Also, the path specifications of all other path objects
/// in the table that are either subordinate or equivalent to the changed path are updated
/// to reflect the change. The properties for each affected path are also updated.
/// </p><p>
/// If an error occurs in this function, all updated paths and properties revert to
/// their previous values. Therefore, it is safe to treat errors returned by this function
/// as non-fatal.
/// </p><p>
/// Do not attempt to configure the target path if the components using those paths
/// are already installed for the current user or for a different user. Check the
/// ProductState property before setting the target path to determine if the product
/// containing this component is installed.
/// </p><p>
/// Win32 MSI API:
/// <a href="http://msdn.microsoft.com/library/en-us/msi/setup/msisettargetpath.asp">MsiSetTargetPath</a>
/// </p></remarks>
public void SetTargetPath(string directory, string value)
{
if (string.IsNullOrWhiteSpace(directory))
{
throw new ArgumentNullException("directory");
}
if (value == null)
{
throw new ArgumentNullException("value");
}
this.ValidateSessionAccess();
uint ret = RemotableNativeMethods.MsiSetTargetPath((int)this.Handle, directory, value);
if (ret != 0)
{
if (ret == (uint)NativeMethods.Error.DIRECTORY)
{
throw InstallerException.ExceptionFromReturnCode(ret, directory);
}
else
{
throw InstallerException.ExceptionFromReturnCode(ret);
}
}
}