wix – 使用嵌入式UI安装一系列嵌入式MSI包 – 显示常用进度条

http://msdn.microsoft.com/en-us/library/aa370354.aspx

特别是,您需要一个自定义操作来管理状态栏(它将负责对MsiProcessMessage进行适当的调用.我建议您也使用它来生成子安装程序.这里有一些假代码来说明我的想法：

LONG LaunchSubinstallersCA(MSIHANDLE current_installer)
{
    // Initialize the progress bar range and position
    MsiProcessMessage(current_installer,reset_message); // see MSDN for details

    for each (subinstaller in list_of_installers)
    {
        launch subinstaller;  // see MSDN for details

        // Update the progress bar to reflect most recent changes
        MsiProcessMessage(current_installer,increment_message); // see MSDN for details
    }

    return (result);
}

主要的缺点是进度条会以一种有点波涛汹涌的方式进展.如果你真的想要变得更加流畅并且使它更流畅,你可以启动一个单独的“监听器”线程,该线程将等待来自子安装程序的更新,以便对进度条进行更细粒度的增量.就像是：

LONG LaunchSubinstallersCA(MSIHANDLE current_installer)
{
    // Initialize the progress bar range and position
    MsiProcessMessage(current_installer,reset_message); // see MSDN for details

    launch_listener_thread();  // launches listener_thread_proc (see below)

    for each (subinstaller in list_of_installers)
    {
        launch subinstaller;  // see MSDN for details
    }

    tell_listener_thread_to_stop();
    optionally_wait_for_listener_thread_to_die();

    return (result);
}

void listener_thread_proc()
{
    // Loop until told to stop
    while (!time_for_me_to_stop)
    {
        // Listen for update from sub-installer
        timed_wait_for_update();  // probably required IPC,perhaps a named event?

        // Only update the progress bar if an update message was actually received
        if (!timeout)
        {
            // Update the progress bar to reflect most recent changes
            MsiProcessMessage(current_installer,increment_message); // see MSDN for details
        }
    }
}

显然,每个子安装程序都必须能够向主安装程序发出已经取得进展的信号,因此这可能需要对您的产品进行更广泛的更改.是否值得付出努力取决于你.