GetSystemTimeAdjustment.md

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Function name : GetSystemTimeAdjustment

Group: Time - Library: kernel32

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Determines whether the system is applying periodic time adjustments to its time-of-day clock at each clock interrupt, along with the value and period of any such adjustments.

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Code examples:

Retrieving the System Time adjustment

Declaration:

BOOL GetSystemTimeAdjustment(
  PDWORD lpTimeAdjustment,       // size of time adjustment
  PDWORD lpTimeIncrement,        // time between adjustments
  PBOOL lpTimeAdjustmentDisabled // disable option
);  

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FoxPro declaration:

DECLARE SHORT GetSystemTimeAdjustment IN kernel32.dll;
	INTEGER @ lpTimeAdjustment,;
	INTEGER @ lpTimeIncrement,;
	SHORT   @ lpTimeAdjustmentDisabled  

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Parameters:

lpTimeAdjustment [out] Pointer to a DWORD that the function sets to the number of 100-nanosecond units added to the time-of-day clock at each periodic time adjustment.

lpTimeIncrement [out] Pointer to a DWORD that the function sets to the interval, counted in 100-nanosecond units, between periodic time adjustments. This interval is the time period between a system"s clock interrupts.

lpTimeAdjustmentDisabled [out] Pointer to a BOOL that the function sets to indicate whether periodic time adjustment is in effect.

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Return value:

If the function succeeds, the return value is nonzero.

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Comments:

Under Win9* this function returns the error code 120 -- "This function is not supported on this system".

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