Retrieves date information (using SYSTEMTIME structures) that represents the high and low limits of a month calendar control's display. You can send this message explicitly or by using the MonthCal_GetMonthRange macro.
Value specifying the scope of the range limits to be retrieved. This value must be one of the following:
Include preceding and trailing months of visible range that are only partially displayed.
Include only those months that are entirely displayed.
Pointer to a two-element array of SYSTEMTIME structures that will receive the lower and upper limits of the scope specified by wParam. The lower and upper limits are placed in lprgSysTimeArray and lprgSysTimeArray, respectively. This parameter must be a valid address and cannot be NULL.
Returns an INT value that represents the range, in months, spanned by the two limits returned at lParam.
Minimum supported client
|Windows 2000 Professional [desktop apps only]|
Minimum supported server
|Windows 2000 Server [desktop apps only]|