When you create an OpenGL rendering context, it has its own display-list space. The wglShareLists function enables a rendering context to share the display-list space of another rendering context; any number of rendering contexts can share a single display-list space. Once a rendering context shares a display-list space, the rendering context always uses the display-list space until the rendering context is deleted. When the last rendering context of a shared display-list space is deleted, the shared display-list space is deleted. All the indexes and definitions of display lists in a shared display-list space are shared. You can only share display lists with rendering contexts within the same process. However, not all rendering contexts in a process can share display lists. Rendering contexts can share display lists only if they use the same implementation of OpenGL functions. All client rendering contexts of a given pixel format can always share display lists. All rendering contexts of a shared display list must use an identical pixel format. Otherwise the results depend on the implementation of OpenGL used. Note The wglShareLists function is only available with OpenGL version 1.01 or later. To determine the version number of the implementation of OpenGL, call glGetString.
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