public void RenderQRCode()
{
if (IsKeyValid)
{
var writer = new ZXing.BarcodeWriter
{
Format = ZXing.BarcodeFormat.QR_CODE
};
var otpauth = String.Format("otpauth://totp/{0}?secret={1}", AccountName, Key);
var newBitmap = writer.Write(otpauth);
pbQRCode.Image = ResizeImage(newBitmap, new Size(300, 300));
}
else
{
pbQRCode.Image = null;
}
}