Private Sub Button3_Click(sender As Object, e As EventArgs) Handles Button3.Click
Dim name As String = "张三"
Dim address As String = "北京市朝阳区"
Dim phone As String = "13812345678"
' 构造要生成的文本内容
Dim content As String = $"姓名:{name}{vbCrLf}地址:{address}{vbCrLf}电话:{phone}"
' 将文本转换为 UTF-8 编码的字节数组
Dim bytes As Byte() = Encoding.UTF8.GetBytes(content)
' 创建二维码生成器
Dim qrCodeWriter As New BarcodeWriter()
' 设置生成器参数
qrCodeWriter.Format = BarcodeFormat.QR_CODE
qrCodeWriter.Options = New ZXing.Common.EncodingOptions() With {
.Width = 200,
.Height = 200
}
' 生成二维码
Dim bitmap As Bitmap = qrCodeWriter.Write(bytes)
' 显示二维码
PictureBox1.Image = bitmap
End Sub
求解答为啥会提示这种错误,应该怎么修改?