int howManyInLast(PropertyAtom pa, long num_msec_ago)
int howManyInLast(PropertyAtom pa, long num_msec_ago)
Name | Type | Description |
---|---|---|
pa | PropertyAtom | The target property. |
num_msec_ago | long | Number of msec ago. |
Type | Description |
---|---|
int | Number of history values that exist within the last specified msec timeframe. |