哪个版本的 Silverlight 在生产中使用最安全？
在图形表单的生产中使用 Silverlight 有多安全？
- 它是否安装在大多数计算机上，与 Windows 更新功能有关？
- 如果有，安装的是哪个版本？最安全的目标版本是什么？
How safe is it to use Silverlight in production for a graphic form?
- Is it installed on most computers, do to Windows Update feature?
- If so, which version is it installed? What is the safest target version?
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我不知道大多数计算机上是否安装了它，但数量正在增长。下载的文件很小，如果尚未安装，用户只需单击一下即可安装。
此页面有一些图表：
97% 的计算机上安装有 Adobe Flash。
55% 的计算机上安装有 Silverlight。
Java 的比例为 73%
我不知道这些数字有多准确，但它们似乎是可信的。
安装后，它会使用 Windows Update 来保持最新状态。
正如 Anthony 所说，当前发布的版本是 3。版本 4 处于候选发布状态，可能会在接下来的几个月内发布（截至 2010 年 3 月）。我原本以为更新会自动发生，但 RIA 统计页面表明某些计算机上仍然安装了 Silverlight 2 甚至 1，因此情况并非如此。
I don't know whether it's installed on most computers, but the number is growing. It's a small download and if it's not installed the user can install it with a single click.
This page has some graphs:
Adobe Flash is on 97% of computers.
Silverlight is on 55% of computers.
Java is on 73%
I have no idea how accurate these figures are, but they seem to be believable.
Once installed it uses Windows Update to keep itself up to date.
As Anthony states the current released version is 3. Version 4 is at Release Candidate and will probably be released within the next couple of months (as of March 2010). I originally thought that the update would happen automatically, but the RIA Stats page indicated that Silverlight 2 and even 1 were still installed on some machines so this can't be the case.
我公司使用的是silverlight 3，这是当前版本，silverlight 4目前是RC。
My company is using silverlight 3, this is the current version, silverlight 4 is currently a RC.
目前最安全的目标版本是 Silverlight 3。在 Mix10 中，表明 Silverlight 的覆盖率达到 60%。
Windows Update 可能会修补现有的安装，我怀疑它会推送 Silverlight 或执行重大升级（想象一下会导致的法律诉讼）。
Safest version to target right now is Silverlight 3. At Mix10 it was indicated that Silverlight has 60% coverage.
Windows Update may patch an existing Install I doubt it will push Silverlight or perform a major upgrade (imagine the law suit that would result in).