RenderingWatermark.Opacity

RenderingWatermark.Opacity property

Gets or sets opacity of the watermark in range [0, 1].

public float Opacity { get; set; }

Examples

using System;
using Aspose.Cells;
using Aspose.Cells.Rendering;
using System.Drawing;

namespace AsposeCellsExamples
{
    public class RenderingWatermarkPropertyOpacityDemo
    {
        public static void Run()
        {
            Workbook workbook = new Workbook();
            Worksheet worksheet = workbook.Worksheets[0];
            worksheet.Cells["A1"].PutValue("Sample content");

            RenderingFont font = new RenderingFont("Arial", 72);
            font.Bold = true;
            font.Color = Color.Blue;

            RenderingWatermark watermark = new RenderingWatermark("CONFIDENTIAL", font);
            watermark.Opacity = 0.4f;
            watermark.HAlignment = TextAlignmentType.Center;
            watermark.VAlignment = TextAlignmentType.Center;
            watermark.IsBackground = true;

            PdfSaveOptions options = new PdfSaveOptions();
            options.Watermark = watermark;

            workbook.Save("WatermarkOpacityDemo.pdf", options);
        }
    }
}

See Also