CS软件授权注册系统V3 - 开发手册 - MES/ERP软件显示Demo Version

//加载本地证书文件
LicenseView license = LicenseManager.Instance.LoadLicense(@"C:\test\demo.license");
if (license.IsDemoVersion)
{
    pic.Image = Properties.Resources.试用版;

    lblLicenseStatus.Text = $"（试用版）到期：{license.ExpireDate.ToString("yyyy/MM/dd")}";
    lblLicenseStatus.ForeColor = Color.Red;
}
else
{
    lblLicenseStatus.Text = $"（已安装证书）到期：{license.ExpireDate.ToString("yyyy/MM/dd")}";
    lblLicenseStatus.ForeColor = Color.DarkGreen;
}