private async void btnDelete_Click(object sender, RoutedEventArgs e)
{
if (lsvUser.SelectedItem == null)
{
await InfoDialog.ShowOK("请选择需要删除指纹信息的人员。");
return;
}
if ((lsvUser.SelectedItem as custPerDisplayItem).FID != "")
{
if (await InfoDialog.ShowYesNo("确定删除指定人员的指纹信息吗？") == ContentDialogResult.Secondary)
{
return;
}
await GPIOControl.PowerOnFingerprintPower( );
try
{
// Delete from fingerprint device
fgRemoveFingerprint cmd = new fgRemoveFingerprint(Convert.ToUInt16((lsvUser.SelectedItem as custPerDisplayItem).FID.Trim( )));
CommonResult ret = await FingerprintDevice.Execute(cmd);
// Update compare file
await StorageControl.UpdateFIDByPID((lsvUser.SelectedItem as custPerDisplayItem).PID, string.Empty);
await LoadFingprinterInfo( );
}
catch (Exception ex)
{
throw new CommonResult(ResultCode.GN_SYS_ERROR, ex.Message);
}
finally
{
GPIOControl.PowerOffFingerprintPower( );
}
}
else
{
await InfoDialog.ShowOK("指定的人员没有记录指纹信息。");
}
}
private void Dialog_Closing(ContentDialog sender, ContentDialogClosingEventArgs args)
{
GPIOControl.PowerOffFingerprintPower( );
}