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Device Context Operations

  • Стаття

An application can perform the following operations on a device context:

  • Enumerate existing graphic objects.
  • Select new graphic objects.
  • Delete existing graphic objects.
  • Save the current graphic objects, their attributes, and the graphic modes.
  • Restore previously saved graphic objects, their attributes, and the graphic modes.

In addition, an application can use a device context to:

  • Determine how graphics output is translated.
  • Cancel lengthy drawing operations (begun by a thread in a multithreaded application).
  • Reset a printer to a particular state.

This subsection provides information on the following topics.