FingerCapture
[Obsolete] Scan fingers from captured images.
Public Function FingerCapture(
ByVal timeout As Long,
ByVal quality As Long,
ByVal mode As Long,
ByVal fingerlist As Long ) As Boolean
Parameters
- timeout
-
Reading timeout, the function returns at timeout.
- quality
-
Quality threshold, the function returns when the quality of all fingers reaches the threshold.
- mode
-
Scan mode, PR_FINGER_IMPRESSION_TYPE.
- fingerlist
-
The finger list, having the following format: (hex) h-imrlts
The topmost digit h (bits 28-31) represent the hand which could be:
- 1 for left hand,
- 2 for right hand,
- 3 for both hands.
Digits i (bits 20-23), m (bits 16-19), r (bits 12-15) and l (bits 8-11) represent the
fingers (index, middle, ring, little). Digits t (bits 4-7) and s (bits 0-3) represent the
left and right thumbs. When thumbs are specified together with a finger and both hands
than t and s represent the fingers of both hands. The value of the finger and thumb digits
could be a value of the FPS_PRESENCE enumeration.
Return Values
On error false is returned and the error code and string of the control is set appropriately.
Languages
[Visual Basic]
Public Function FingerCapture(ByVal timeout As Long, ByVal quality As Long, ByVal mode As Long, ByVal fingerlist As Long) As Boolean
[Delphi]
function FingerCapture(timeout: Integer; quality: Integer; mode: Integer; fingerlist: Integer): Boolean;
[C++]
bool FingerCapture(long timeout, long quality, long mode, long fingerlist);
Remarks
This method is obsolete. Use the FpsApi ActiveX component instead.
See Also
Class PrApi Overview
PrApi Properties
PrApi Methods
EventTypes
FingerCaptureStart