private void initFinger()
{
if (null == ZKFPEngX1)
{
//实例化OCX控件
ZKFPEngX1 = new AxZKFPEngXControl.AxZKFPEngX();
//显式调用该实例的CreateControl方法才能调用其它方法，否则在调用时系统将报AxHost.InvalidActiveXStateException异常
ZKFPEngX1.CreateControl();
//连接多个指纹采集器时，选择指纹头的序号，从0 开始；小于零时指纹采集器不工作
ZKFPEngX1.SensorIndex = 0;
//取得指纹初始特征
ZKFPEngX1.OnFeatureInfo += new IZKFPEngXEvents_OnFeatureInfoEventHandler(ZKFPEngX1_OnFeatureInfo);
ZKFPEngX1.OnEnroll += new IZKFPEngXEvents_OnEnrollEventHandler(ZKFPEngX1_OnEnroll);
//指纹图片接收
ZKFPEngX1.OnImageReceived += new IZKFPEngXEvents_OnImageReceivedEventHandler(ZKFPEngX1_OnImageReceived);
//指纹识别系统算法引擎版本号
ZKFPEngX1.FPEngineVersion = "9";
ZKFPEngX1.Threshold = 5;
}
if (!ZKFPEngX1.EngineValid)
{
//初始化指纹识别系统
int result = ZKFPEngX1.InitEngine();
if (-2 == result)
{
result = ZKFPEngX1.InitEngine();
}
//初始化成功
if (0 == result)
{
//创建指纹识别高速缓冲空间 并返回其句柄
CreateFPCacheDBEx();
}
else if (1 == result)
{
endFinger();
throw new Exception("指纹识别驱动程序加载失败");
}
else if (2 == result)
{
endFinger();
throw new Exception("没有连接指纹识别仪");
}
else
{
endFinger();
throw new Exception("指定的指纹仪不存在");
}
}
ZKFPEngX1.FlushFPImages();
}