Unable to send arguments to winform exe on click of hyperlin

trying to pass parameter to Winform exe on click of Hyperlink from email.

Please find the code below to send mail having Hyperlink to open winform exe

var smtpMessage = new MailMessage();
bool isSuccess = false;
int retryCount = 0;
smtpMessage.Subject = "helloooo";
smtpMessage.From = new MailAddress("[email protected]");
StringBuilder s = new StringBuilder();
string test ="" + "Click";

string subscriber= "[email protected]";
smtpMessage.To.Add(new MailAddress(subscriber));
smtpMessage.Body = s.ToString();
while (retryCount < 3)

{
var client = new SmtpClient();
try
{
client.Send(smtpMessage);
retryCount = 3;
isSuccess = true;
}
catch (Exception ex)
{
throw;
}
}