public static void DeleteTemplate(
WinBioSessionHandle sessionHandle,
int unitId,
WinBioIdentity identity,
WinBioBiometricSubType subFactor)
{
var handle = GCHandle.Alloc(identity.GetBytes(), GCHandleType.Pinned);
try
{
var code = DeleteTemplate(sessionHandle, unitId, handle.AddrOfPinnedObject(), subFactor);
WinBioException.ThrowOnError(code, "WinBioDeleteTemplate failed");
}
finally
{
handle.Free();
}
}
public static bool EnrollCommit(WinBioSessionHandle sessionHandle, out WinBioIdentity identity)
{
bool isNewTemplate;
var bytes = new byte[WinBioIdentity.Size];
var handle = GCHandle.Alloc(bytes, GCHandleType.Pinned);
try
{
var code = EnrollCommit(sessionHandle, handle.AddrOfPinnedObject(), out isNewTemplate);
WinBioException.ThrowOnError(code, "WinBioEnrollCommit failed");
}
finally
{
handle.Free();
}
identity = new WinBioIdentity(bytes);
return(isNewTemplate);
}
public static bool Verify(
WinBioSessionHandle sessionHandle,
WinBioIdentity identity,
WinBioBiometricSubType subFactor,
out int unitId,
out WinBioRejectDetail rejectDetail)
{
bool match;
var handle = GCHandle.Alloc(identity.GetBytes(), GCHandleType.Pinned);
try
{
var code = Verify(sessionHandle, handle.AddrOfPinnedObject(), subFactor, out unitId, out match, out rejectDetail);
WinBioException.ThrowOnError(code, "WinBioVerify failed");
}
finally
{
handle.Free();
}
return(match);
}
public static int Identify(
WinBioSessionHandle sessionHandle,
out WinBioIdentity identity,
out WinBioBiometricSubType subFactor,
out WinBioRejectDetail rejectDetail)
{
int unitId;
var bytes = new byte[WinBioIdentity.Size];
var handle = GCHandle.Alloc(bytes, GCHandleType.Pinned);
try
{
var code = Identify(sessionHandle, out unitId, handle.AddrOfPinnedObject(), out subFactor, out rejectDetail);
WinBioException.ThrowOnError(code, "WinBioIdentify failed");
}
finally
{
handle.Free();
}
identity = new WinBioIdentity(bytes);
return(unitId);
}
public static WinBioBiometricSubType[] EnumEnrollments(WinBioSessionHandle sessionHandle, int unitId, WinBioIdentity identity)
{
var handle = GCHandle.Alloc(identity.GetBytes(), GCHandleType.Pinned);
try
{
IntPtr subFactorArray;
int subFactorCount;
var code = EnumEnrollments(sessionHandle, unitId, handle.AddrOfPinnedObject(), out subFactorArray, out subFactorCount);
WinBioException.ThrowOnError(code, "WinBioEnumEnrollments failed");
return(MarshalArray <WinBioBiometricSubType>(subFactorArray, subFactorCount));
}
finally
{
handle.Free();
}
}