您也许可以尝试让你的程序访问更多的内存，但是这将是一场斗争。对于.NET应用程序的内存量是由你的machine.config文件中processModel / MemoryLimit设置控制。 Microsoft建议您将其设置不高于60％。

You could probably try to allow your program to access more memory, but it would be a struggle. For a .NET application, the amount of memory is controlled by the processModel/memoryLimit setting in your machine.config file. Microsoft recommends that you set it no higher than 60%.

不过，要装载50多MB的图像，全部一次，以显示缩略图（这可能是微小的大小）。我认为，这是您进行更改。你可以加载您的图像一个接一个，然后生成缩略图和释放内存，立竿见影。

However, you are loading 50+ MB images, all at once, to display thumbnails (which are probably tiny in size). I suggest that this is where you make your change. You could load your images one by one, then generate the thumbnail and free the memory straight away.

在任何情况下，具有50 MB +图像是当你试图显示缩略图效率不高。你就不能保存的缩略图，而不是每次都产生呢？

In any case, having 50 MB+ images is not efficient when you are trying to show a thumbnail. Can't you just save the thumbnails and not have to generate them every time?