Information
The topic you requested is included in another documentation set. For convenience, it's displayed below. Choose Switch to see the topic in its original location.

Using the GetDC Function

You use the GetDC function to carry out drawing that must occur instantly rather than when a WM_PAINT message is processing. Such drawing is usually in response to an action by the user, such as making a selection or drawing with the mouse. In such cases, the user should receive instant feedback and must not be forced to stop selecting or drawing in order for the application to display the result. The following sections show how to use GetDC to draw in a window:

 

 

Community Additions

Show:
© 2014 Microsoft