/// <summary>
/// 用于处理IZKFPEngXEvents_OnImageReceivedEvent事件
/// 抛出：指纹仪未初始化 异常
/// </summary>
/// <param name="e">IZKFPEngXEvents_OnImageReceivedEvent事件</param>
/// <param name="fingerprintDevice">指纹设备（如：AxZKFPEngX1）</param>
/// <returns>一个System.Image</returns>
public static Image GetFingerprintImage(IZKFPEngXEvents_OnImageReceivedEvent e,
AxZKFPEngX fingerprintDevice)
{
if (fingerprintDevice == null)
{
throw new ArgumentNullException("fingerprintDevice");
}
if (!e.aImageValid)
{
return(null);
}
#pragma warning disable 642
if (File.Exists("temp.bmp"))
{
;
}
#pragma warning restore 642
{
File.Delete("temp.bmp");
}
try
{
fingerprintDevice.SaveBitmap("temp.bmp");
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
throw;
}
#pragma warning disable 642
#pragma warning restore 642
{
var file = FileContent("temp.bmp");
var ms = new MemoryStream(file)
{
Position = 0
};
File.Delete("temp.bmp");
return(Image.FromStream(ms));
}
}