使用DirectX从游戏环境中截取屏幕截图

问题描述

我正在尝试编写一个简单的应用程序，该应用程序从游戏环境中截取屏幕截图.我已经搜索了，根据我的搜索，我需要使用DirecX backbuffer.我试图编写一些代码，使用带桌面缓冲的桌面缓冲区的前缓冲区可以正常工作，但是当我使用后缓冲区并启动游戏拍照时，它会从Device()函数中显示错误:应用程序中存在错误".如何从游戏中截取屏幕截图?此代码有什么问题?
谢谢.

代码:

Hi,
I am trying to write a simple application that takes screenshots from games environment. I''ve search and based on my searches I need to use DirecX backbuffer. I tried to write some code, it works fine using frontbuffer that takes desktop screenshots, but when I use backbuffer and start a game to take pictures, it gives an error from Device() function saying : "Error in the application". How can I take screenshots from a game? what is wrong with this code?
Thanks.

Code:

PresentParameters pp = new PresentParameters();
pp.Windowed = true;
pp.SwapEffect = SwapEffect.Discard;
Device device = new Device(0, DeviceType.Hardware, this, CreateFlags.SoftwareVertexProcessing, pp);
Surface backbuffer = device.GetBackBuffer(0, 0, BackBufferType.Mono);
SurfaceLoader.Save("1.bmp", ImageFileFormat.Bmp, backbuffer);

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