这个devwdm.dll文件用于视屏流的捕获，本文档详细说明了其中的一些函数的细节内容-This devwdm.dll stream capture file for the Screen, this document details some of the details of the function

delphi实现屏幕抓取保存图片，可修改下实现远程屏幕抓取。-delphi screen capture to save the image to achieve, can be modified to achieve the remote screen capture.

蓝幕摄像头抠像程序，可以通过USB摄像机实时采集图像，将人体图片扣出后融合到自定义背景图像中。-Blue screen keying camera program, you can capture images via a USB camera real time, images of the human body, after deduction of the integration into a custom background image.

蓝幕摄像头抠像程序，可以通过USB摄像机实时采集图像，将人体图片扣出后融合到自定义背景图像中。-Blue screen keying camera program, you can capture images via a USB camera real time, images of the human body, after deduction of the integration into a custom background image.