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Retrieves the scroll rate for a month calendar control. The scroll rate is the number of months that the control moves its display when the user clicks a scroll button. You can use this macro or send the MCM_GETMONTHDELTA message explicitly.
Syntax
INT MonthCal_GetMonthDelta(
HWND hmc
);
Parameters
hmc
Type: HWND
Handle to a month calendar control.
Return value
Type: INT
If the month delta was previously set using the MonthCal_SetMonthDelta macro, returns an INT value that represents the month calendar's current scroll rate. If the month delta was not previously set using the MonthCal_SetMonthDelta macro, or the month delta was reset to the default, returns an INT value that represents the current number of months visible.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows Vista [desktop apps only] |
| Minimum supported server | Windows Server 2003 [desktop apps only] |
| Target Platform | Windows |
| Header | commctrl.h |