string sourceFile = Path.Combine(baseFolder, "smart_without_warp.psd");

var opt = new PsdLoadOptions()
{
    LoadEffectsResource = true,
    AllowWarpRepaint = true
};

string[] outputImageFile = new string[4];
string[] outputPsdFile = new string[4];

for (int caseIndex = 0; caseIndex < outputImageFile.Length; caseIndex++)
{
    outputImageFile[caseIndex] = Path.Combine(outputFolder, "export_" + caseIndex + ".png");
    outputPsdFile[caseIndex] = Path.Combine(outputFolder, "export_" + caseIndex + ".psd");

    using (PsdImage img = (PsdImage)Image.Load(sourceFile, opt))
    {
        foreach (Layer layer in img.Layers)
        {
            if (layer is SmartObjectLayer)
            {
                var smartLayer = (SmartObjectLayer)layer;
                smartLayer.WarpSettings = GetWarpSettingsByIndex(smartLayer.WarpSettings, caseIndex);
            }

            if (layer is TextLayer)
            {
                var textLayer = (TextLayer)layer;

                if (caseIndex != 3)
                {
                    textLayer.WarpSettings = GetWarpSettingsByIndex(textLayer.WarpSettings, caseIndex);
                }
            }
        }

        img.Save(outputPsdFile[caseIndex], new PsdOptions());
    }

    using (PsdImage img = (PsdImage)Image.Load(outputPsdFile[caseIndex], opt))
    {
        img.Save(outputImageFile[caseIndex],
            new PngOptions() { CompressionLevel = 9, ColorType = PngColorType.TruecolorWithAlpha });
    }
}

WarpSettings GetWarpSettingsByIndex(WarpSettings warpParams, int caseIndex)
{
    switch (caseIndex)
    {
        case 0:
            warpParams.Style = WarpStyles.Rise;
            warpParams.Rotate = WarpRotates.Horizontal;
            warpParams.Value = 20;
            break;
        case 1:
            warpParams.Style = WarpStyles.Rise;
            warpParams.Rotate = WarpRotates.Vertical;
            warpParams.Value = 10;
            break;
        case 2:
            warpParams.Style = WarpStyles.Flag;
            warpParams.Rotate = WarpRotates.Horizontal;
            warpParams.Value = 30;
            break;
        case 3:
            warpParams.Style = WarpStyles.Custom;
            warpParams.MeshPoints[2].Y += 70;
            break;
    }

    return warpParams;
}

string sourceFile = Path.Combine(baseFolder, "Layers-NoPen.ai");
string outputFile = Path.Combine(outputFolder, "Layers-NoPen.output.png");

using (AiImage image = (AiImage)Image.Load(sourceFile))
{
    image.Save(outputFile, new PngOptions());
}

//// Courves from layer named "Pen" should be hidden

string sourceFile = Path.Combine(baseFolder, "4.ai");
string outputFilePath = Path.Combine(outputFolder, "4.png");

using (AiImage image = (AiImage)Image.Load(sourceFile))
{
    image.Save(outputFilePath, new PngOptions());
}

string[] files = { "simple_test", "w22" };
string changeFile = Path.Combine(baseFolder, "image(19).png");

string[] sourceFile = new string[files.Length];
string[] outputFiles = new string[files.Length];

for (int i = 0; i < files.Length; i++)
{
    sourceFile[i] = Path.Combine(baseFolder, files[i] + ".psd");
    outputFiles[i] = Path.Combine(outputFolder, files[i] + "_output.psd");

    using (var image = (PsdImage)Image.Load(sourceFile[i]))
    {
        foreach (Layer layer in image.Layers)
        {
            if (layer is SmartObjectLayer)
            {
                SmartObjectLayer smart = (SmartObjectLayer)layer;

                // For the second smart layer here was error
                smart.ReplaceContents(changeFile);
            }
        }

        image.Save(outputFiles[i]);
    }
}