Source/NativeFunctions.cs

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namespace DevComponents.DotNetBar
{
    using System;
	using System.Runtime.InteropServices;
    using System.Drawing;
using System.Security;

	[Flags()]
	internal enum eDrawCaption:uint		/* flags for DrawCaption */
	{
		DC_ACTIVE=0x0001,
		DC_SMALLCAP=0x0002,
		DC_ICON=0x0004,
		DC_TEXT=0x0008,
		DC_INBUTTON=0x0010,
		DC_GRADIENT=0x0020
    }

    /// <summary>
    ///    Summary description for NativeFunctions.
    /// </summary>
    [SuppressUnmanagedCodeSecurity()]
    internal class NativeFunctions
    {
        #region Licensing
#if !TRIAL
		internal static bool keyValidated=false;
		internal static int keyValidated2=0;
		internal static bool ValidateLicenseKey(string key)
		{
			bool ret = false;
			string[] parts = key.Split('-');
			int i = 10;
			foreach(string s in parts)
			{
				if(s=="88405280")
					i++;
				else if(s=="D06E")
					i += 10;
				else if(s=="4617")
					i += 8;
				else if(s=="8810")
					i += 12;
				else if(s=="64462F60FA93")
					i += 3;
			}
			if(i==29)
				return true;
			keyValidated = true;
			return ret;
		}
        internal static bool CheckLicenseKey(string key)
        {
            // F962CEC7-CD8F-4911-A9E9-CAB39962FC1F, 189, 266
            string[] parts = key.Split('-');
            int test = 0;
            for (int i = parts.Length - 1; i >= 0; i--)
            {
                if (parts[i] == "A9E9")
                    test += 11;