Introduction - If you have any usage issues, please Google them yourself
Each one opengl are connected to a shader description table. Rendering Context all the opengl call the command with// receiving device context (device descriptor table), on the opengl rendering Context is defined as the hrc, let the program can be// enough to draw a window, also need to create a device description tables, windows of the device description table is defined as hdc,// dc will be the window to connect to the gdi (graphics device interface graphics device interface). The rc