/// <summary>
/// 打开卡
/// </summary>
public bool OpenCard()
{
if (isOpened)
{
return(true);
}
try
{
int i = 0;
cardHandle = OK.okOpenBoard(ref i);
bits = OK.okSetCaptureParam(cardHandle, 4, -1);
size = OK.okSetCaptureParam(cardHandle, 6, -1);
size = this.GETHIWORD(bits) / 8 * this.GETHIWORD(size) * this.GETLOWORD(size);
OK.okGetTargetInfo(cardHandle, 1, 0, ref width, ref height, ref stride);
OK.okSetConvertParam(cardHandle, "CONVERT_FIELDEXTEND", -1);
OK.okSetCaptureParam(cardHandle, 15, 0);
OK.okSetCaptureParam(cardHandle, 4, -1);
OK.okSetCaptureParam(cardHandle, 6, -1);
OK.okSetCaptureParam(cardHandle, 1, 0);
OK.okSetSeqCallback(cardHandle, ok.begin, ok.seq, ok.end);
OK.okCaptureByBuffer(cardHandle, 1, 0, 0);
isOpened = true;
}
catch
{
MessageBox.Show(ok.lastError().ToString());
return(false);
}
return(true);
}
/// <summary>
/// 关闭卡
/// </summary>
public bool CloseCard()
{
if (!isOpened)
{
return(true);
}
try
{
OK.okSetSeqCallback(cardHandle, null, null, null);
isOpened = false;
ok.CloseBoard(cardHandle);
}
catch
{
MessageBox.Show(ok.lastError().ToString());
ok.CloseBoard(cardHandle);
return(false);
}
return(true);
}
public bool SetSeqCallback(IntPtr hBoard, BeginProc beginproc, SeqProgress seq, EndProc endproc)
{
return(OK.okSetSeqCallback(hBoard, beginproc, seq, endproc));
}
