Griaule Biometrics

Home » Fingerprint SDK 2009 Developer's Manual » Programming Reference Guide » Fingerprint SDK ActiveX Reference Guide » Events » FingerDown

FingerDown

This event is fired whenever a finger is placed over a plugged fingerprint reader.

Prerequisites The capture module must have been previously initialized.
At least one fingerprint reader started capturing fingerprint images.

Parameters

[in] idSensor

The ID of the fingerprint reader that raised the event.

Declaration

C++ .NET

 void [Control Name]_FingerDown(System::Object *  sender, _IGrFingerXCtrlEvents_FingerDownEvent *  e)

C#

void [Control Name]_FingerDown(object sender, [Library Name]._IGrFingerXCtrlEvents_FingerDownEvent e)

VB6

Sub [Control Name]_FingerDown(ByVal idSensor As String)

VB .NET

Sub [Control Name]_FingerDown(ByVal sender As System.Object, ByVal e As [Library Name]._IGrFingerXCtrlEvents_FingerDownEvent) Handles [Control Name].FingerDown

Delphi

procedure [Control Name]FingerDown(Sender: TObject; const idSensor: WideString);

Sample Code

C++ .NET

// A finger was placed over the reader
private: System::Void axGrFingerXCtrl2_FingerDown(System::Object *  sender, _IGrFingerXCtrlEvents_FingerDownEvent *  e) {
WriteLog(String::Concat(S"Sensor: " , e->idSensor , ". Event: Finger Placed."));
}

C#

// A finger was placed over the reader
private void axGrFingerXCtrl1_FingerDown(object sender, AxGrFingerXLib._IGrFingerXCtrlEvents_FingerDownEvent e)
{
WriteLog("Sensor: " + e.idSensor + ". Event: Finger Placed.");
}

VB6

' A finger was placed over the reader
Private Sub GrFingerXCtrl1_FingerDown(ByVal idSensor As String)
writeLog ("Sensor: " & idSensor & ". Event: Finger Placed.")
End Sub

VB .NET

' A finger was placed over the reader
Private Sub AxGrFingerXCtrl1_FingerDown(ByVal sender As System.Object, ByVal e As AxGrFingerXLib._IGrFingerXCtrlEvents_FingerDownEvent) Handles AxGrFingerXCtrl1.FingerDown
WriteLog("Sensor: " & e.idSensor & ". Event: Finger Placed.")
End Sub

Delphi

// A finger was placed over the reader
procedure TGrFingerXCtrl1FingerDown(Sender: TObject;
const idSensor: WideString);
begin
writeLog ('Sensor: ' + idSensor + '. Event: Finger Placed.');
end;