Capture
Scan fingers from captured images.
Public Function Capture(
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. The usable values are defined in the FPS_IMPRESSION_TYPE enumeration.
- fingerlist
-
The finger list, having the format 0hhh 0000 iiii mmmm rrrr llll tttt ssss
h - scan object: 001 left hand, 010 right hand, 011 same fingers of both hands
i - index finger
m - middle finger
r - ring finger
l - little finger
t - left thumb
s - right thumb
The four bits are value of 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 Capture(ByVal timeout As Long, ByVal quality As Long, ByVal mode As Long, ByVal fingerlist As Long) As Boolean
[Delphi]
function Capture(timeout: Integer; quality: Integer; mode: Integer; fingerlist: Integer): Boolean;
[C++]
bool Capture(long timeout, long quality, long mode, long fingerlist);
Remarks
See Also
Class FpsApi Overview
FpsApi Properties
FpsApi Methods
ButtonEvent
CaptureStart