Add a user interface handler
1) Follow the steps shown in Example 1 3 About the step of adding a menu command to process the function, but then use u pd e _
C O m M a n D _ U i, not C O m M M a n D.
2) Add the following code to the new handler, if you want to enable the menu item, m _ b w z d is T R u E.
Void CWZDVI E W:: O N u P D A TEE W Z D TYPE (CCMDUI * PCMDUI)
{
P C m D u i -> e n a b L E (m _ b w z d);
}
Description
■ The menu item associated with the toolbar button is enabled or disabled with the button.
■ The status of the toolbar button is not updated, and the process is only called when the application is idle. If you don't want to wait
For less than a long time, you can get a pointer to this toolbar (may be in CMA I n f R a m e), and call
Its U P D A TEE WINDOW () member function.
