MonthCal_SetMonthDelta


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MonthCal_SetMonthDelta
INT MonthCal_SetMonthDelta(
    HWND hwndMC,
    INT iDelta
);
Sets 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_SETMONTHDELTA message explicitly.
Returns an INT value that represents the previous scroll rate. If the scroll rate was not previously set, the return value is zero.

hwndMC
Handle to a month calendar control.
iDelta
Value representing the number of months to be set as the control's scroll rate. If this value is zero, the month delta is reset to the default, which is the number of months displayed in the control.

Version 4.70

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