hWnd (HWND) - input

The handle of the main DSPINSTL window.

resolutions (PSCREENRESOLUTION) - input

A pointer to an array of display resolution structures, where:

struct resolutions_struct{
 UCHAR resolution_string[40]; /* String to go in multiple selection list box. */
 USHORT selected;             /* Flag set by the service function.            */
                              /* If 0, this resolution was not selected,      */
                              /* if 1, this resolution was selected.          */
};

num_resolutions (ULONG) - input

The number of display resolutions in the array.

fmultiple (BOOL) - input

A flag that specifies whether the user will be allowed to select multiple resolutions (or only a single resolution). True indicates multiple selections are allowed.

rc (ULONG) - returns

Return codes.

This service function returns the following values:

• User selected an entry and exited the panel by selecting the OK push button 0xFFFFFFFF
  User exited the panel by selecting the Cancel push button

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