/// <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.IsNullOrEmpty(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); } } }