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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.
Parameters
-
wParam
-
Value specifying the scope of the range limits to be retrieved. This value must be one of the following:
Value Meaning - GMR_DAYSTATE
Include preceding and trailing months of visible range that are only partially displayed. - GMR_VISIBLE
Include only those months that are entirely displayed. -
lParam
-
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[0] and lprgSysTimeArray[1], respectively. This parameter must be a valid address and cannot be NULL.
Return value
Returns an INT value that represents the range, in months, spanned by the two limits returned at lParam.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows Vista [desktop apps only] |
| Minimum supported server |
Windows Server 2003 [desktop apps only] |
| Header |
|