kmpdfkit_demo/Demo/Examples/Measure/App.xaml.cs

using ComPDFKit.NativeMethod;
using Compdfkit_Tools.Helper;
using System;
using System.Collections.Generic;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Threading.Tasks;
using System.Windows;
using static ComPDFKit.NativeMethod.CPDFSDKVerifier;

namespace Measure
{
    /// <summary>
    /// App.xaml 的交互逻辑
    /// </summary>
    public partial class App : Application
    {
        protected override void OnStartup(StartupEventArgs e)
        {
            base.OnStartup(e);
            LicenseVerify();
        }

        private static bool LicenseVerify()
        {
            bool result = LoadNativeLibrary();
            if (!result)
            {
                return false;
            }
               

            SDKLicenseHelper sdkLicenseHelper = new SDKLicenseHelper();
            string TrialKey = "XvnZGEvx9IZlci4n0AIvhaOh98oIetIX+P8yOKgK3rdR+gp2wKYNdFB4cHnt+WIoUfimU0041gT1mRcKQ27D0wcTRk8URFuWJsjanD7GSHr2WbY8ukgPZVonIRUZC9qrwgPnP93UQbcu16GSvMyLsV6z4m4bhiQ+JcZ6jwkckDE=";
            string TrialSecret = "mG0c3O3Mzeu5dkZJW3gpqq9uA7o7EGQveSC38Q8TK4iYSXB8erGstkUyaynN7k8o9Bkm261z3QDQQd7GhWhZ9ncfsMf6ptexRA+BXdOITlphrp9sGpqfp0B228KI+IMTu4aGVjtYuk+Uxs/kosIBwyVLBY93oKLBB8UJg4t07605BGbaBKUlDopA0iGq1HSnxfuQtxA3SCjGmJx+Rn/MrKDl1EzWv/F/0Gw7Q02pypAMFoEMtjKxkVmy+liLW9u9";

            LicenseErrorCode verifyResult = CPDFSDKVerifier.LicenseVerify(sdkLicenseHelper.key, sdkLicenseHelper.secret);
            //LicenseErrorCode verifyResult = CPDFSDKVerifier.LicenseVerify(TrialKey, TrialSecret);
            if (verifyResult != LicenseErrorCode.LICENSE_ERR_SUCCESS)
            {
                return false;
            }
              
            return result;
        }
    }
}