代码来源：https://github.com/codebude/QRCoder 的demo
private void RenderQrCode()
{
string level = comboBoxECC.SelectedItem.ToString();
QRCodeGenerator.ECCLevel eccLevel =
(QRCodeGenerator.ECCLevel)(level == "L" ? 0 : level == "M" ? 1 : level == "Q" ? 2 : 3);
using (QRCodeGenerator qrGenerator = new QRCodeGenerator())
{
using (QRCodeData qrCodeData = qrGenerator.CreateQrCode(textBoxQRCode.Text, eccLevel))
{
using (QRCode qrCode = new QRCode(qrCodeData))
{
pictureBoxQRCode.BackgroundImage = qrCode.GetGraphic(20, Color.Black, Color.White,
GetIconBitmap(), (int) iconSize.Value);
this.pictureBoxQRCode.Size = new System.Drawing.Size(pictureBoxQRCode.Width,
pictureBoxQRCode.Height);
//Set the SizeMode to center the image.
this.pictureBoxQRCode.SizeMode = PictureBoxSizeMode.CenterImage;
pictureBoxQRCode.SizeMode = PictureBoxSizeMode.StretchImage;
}
}
}
}
private Bitmap GetIconBitmap()
{
Bitmap img = null;
if (iconPath.Text.Length > 0)
{
try
{
img = new Bitmap(iconPath.Text);
}
catch (Exception)
{
}
}
return img;
}附件附上图片及编译好的汉化过得qrcoder.dll
qrcoder.dll 目前支持.netframework 3.5以上