using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Xml.Linq;
using Excel = Microsoft.Office.Interop.Excel;
using Office = Microsoft.Office.Core;
using Microsoft.Office.Tools.Excel;

namespace VSTO
{
    public partial class ThisAddIn
    {
        private void ThisAddIn_Startup(object sender, System.EventArgs e)
        {
            //Instantiate the Application object
            Excel.Application ExcelApp = Application;

            //Add a Workbook
            Excel.Workbook workbook = ExcelApp.Workbooks.Add();

            //Get the First sheet
            Excel.Worksheet sheet = (Excel.Worksheet)workbook.Sheets["Sheet1"];

            //Merge A1-B5 to one cell
            sheet.get_Range("A1", "B5").Merge();

            //Save the file
            workbook.SaveAs("MergedCells.xlsx");
        }

        private void ThisAddIn_Shutdown(object sender, System.EventArgs e)
        {
        }

        #region VSTO generated code

        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        private void InternalStartup()
        {
            this.Startup += new System.EventHandler(ThisAddIn_Startup);
            this.Shutdown += new System.EventHandler(ThisAddIn_Shutdown);
        }
        
        #endregion
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Spire.Xls;

namespace Spire.XLS
{
    class Program
    {
        static void Main(string[] args)
        {
            //Initialize a new instance of workbook
            Workbook workbook = new Workbook();

            //Get the first worksheet
            Worksheet sheet = workbook.Worksheets[0];

            //Merge A1-B5 to one cell
            sheet.Range["A1:B5"].Merge();
        
            //Save and Launch
            workbook.SaveToFile("MergedCells.xlsx", ExcelVersion.Version2010);
            System.Diagnostics.Process.Start("MergedCells.xlsx");

        }
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Xml.Linq;
using Excel = Microsoft.Office.Interop.Excel;
using Office = Microsoft.Office.Core;
using Microsoft.Office.Tools.Excel;

namespace VSTO
{
    public partial class ThisAddIn
    {
        private void ThisAddIn_Startup(object sender, System.EventArgs e)
        {
            //Instantiate the Application object
            Excel.Application excelApp = Application;

            //Add a Workbook
            Excel.Workbook workbook = excelApp.Workbooks.Add();

            //Get the first sheet
            Excel.Worksheet sheet = (Excel.Worksheet)workbook.Sheets["Sheet1"];

            //Define a range object(A1)
            Excel.Range range = sheet.get_Range("A1", "A1");

            //Add a hyperlink
            sheet.Hyperlinks.Add(range, "https://www.e-iceblue.com/", Type.Missing, "Click to E-iceblue website", "E-iceblue site");
            
            //Save the file
            workbook.SaveAs("ExcelHyperlink.xlsx");
        }

        private void ThisAddIn_Shutdown(object sender, System.EventArgs e)
        {
        }

        #region VSTO generated code

        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        private void InternalStartup()
        {
            this.Startup += new System.EventHandler(ThisAddIn_Startup);
            this.Shutdown += new System.EventHandler(ThisAddIn_Shutdown);
        }
        
        #endregion
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Spire.Xls;

namespace Spire.XLS
{
    class Program
    {
        static void Main(string[] args)
        {
            //Initialize a new instance of workbook
            Workbook workbook = new Workbook();

            //Define a range object(A1)
            Worksheet sheet = workbook.Worksheets[0];
            CellRange range = sheet.Range["A1:A1"];

            //Add a hyperlink
            HyperLink UrlLink = sheet.HyperLinks.Add(range);
            UrlLink.ScreenTip = "Click to E-iceblue website";
            UrlLink.Type = HyperLinkType.Url;
            UrlLink.Address = "https://www.e-iceblue.com/";

            //Save and Launch
            workbook.SaveToFile("ExcelHyperlink.xlsx", ExcelVersion.Version2010);
            System.Diagnostics.Process.Start("ExcelHyperlink.xlsx");

        }
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Xml.Linq;
using Excel = Microsoft.Office.Interop.Excel;
using Office = Microsoft.Office.Core;
using Microsoft.Office.Tools.Excel;

namespace VSTO
{
    public partial class ThisAddIn
    {
        private void ThisAddIn_Startup(object sender, System.EventArgs e)
        {
            //Instantiate the Application object
            Excel.Application ExcelApp = Application;

            //Add a workbook
            Excel.Workbook workbook = ExcelApp.Workbooks.Add();

            //Get the first sheet
            Excel.Worksheet sheet = (Excel.Worksheet)workbook.Sheets["Sheet1"];

            //Set a background image
            sheet.SetBackgroundPicture(@"C:\Users\Administrator\Desktop\image.jpg");

            //Save the file
            workbook.SaveAs("BackgroundImage.xlsx");
        }

        private void ThisAddIn_Shutdown(object sender, System.EventArgs e)
        {
        }

        #region VSTO generated code

        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        private void InternalStartup()
        {
            this.Startup += new System.EventHandler(ThisAddIn_Startup);
            this.Shutdown += new System.EventHandler(ThisAddIn_Shutdown);
        }
        
        #endregion
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Spire.Xls;
using System.Drawing;

namespace Spire.XLS
{
    class Program
    {
        static void Main(string[] args)
        {
            //Initialize a new instance of Workbook
            Workbook workbook = new Workbook();

            //Get the first worksheet
            Worksheet sheet = workbook.Worksheets[0];

            //Open an image 
            Bitmap bm = new Bitmap(Image.FromFile(@"C:\Users\Administrator\Desktop\image.jpg"));

            //set the image to be background image of the worksheet
            sheet.PageSetup.BackgoundImage = bm;

            //Save and Launch
            workbook.SaveToFile("result.xlsx", ExcelVersion.Version2010);
            System.Diagnostics.Process.Start("result.xlsx");


        }
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Xml.Linq;
using Excel = Microsoft.Office.Interop.Excel;
using Office = Microsoft.Office.Core;
using Microsoft.Office.Tools.Excel;

namespace VSTO
{
    public partial class ThisAddIn
    {
        private void ThisAddIn_Startup(object sender, System.EventArgs e)
        {
            //Instantiate the Application object.
            Excel.Application ExcelApp = Application;

            //Add a Workbook.
            Excel.Workbook objBook = ExcelApp.Workbooks.Add();

            //Get the active Worksheet
            Microsoft.Office.Interop.Excel.Worksheet nativeWorksheet = Globals.ThisAddIn.Application.ActiveWorkbook.ActiveSheet;
            Microsoft.Office.Tools.Excel.Worksheet sheet = Globals.Factory.GetVstoObject(nativeWorksheet);
           
            //Add data for pie chart
            sheet.Cells[1, 1] = "Quarter";
            sheet.Cells[1, 2] = "Sales";
            sheet.Cells[2, 1] = "One";
            sheet.Cells[2, 2] = 4000;
            sheet.Cells[3, 1] = "Two";
            sheet.Cells[3, 2] = 6000;
            sheet.Cells[4, 1] = "Three";
            sheet.Cells[4, 2] = 10000;
            sheet.Cells[5, 1] = "Four";
            sheet.Cells[5, 2] = 13000;

            //Chart reference
            Microsoft.Office.Tools.Excel.Chart chart;

            //Add a Pie Chart  
            chart = sheet.Controls.AddChart(0, 100, 400, 200, "Sales by quarter");
            chart.ChartType = Microsoft.Office.Interop.Excel.XlChartType.xl3DPie;

            //Set chart title
            chart.HasTitle = true;
            chart.ChartTitle.Text = "Sales by quarter";

            //Set region of chart data
            Microsoft.Office.Interop.Excel.Range chartRange = sheet.get_Range("A2", "B5");
            chart.SetSourceData(chartRange);

            //Get the active workbook
            Microsoft.Office.Interop.Excel.Workbook workbook = sheet.Application.ActiveWorkbook;

            //Save the file
            workbook.SaveAs("3DPieChart.xlsx");
        }

        private void ThisAddIn_Shutdown(object sender, System.EventArgs e)
        {
        }

        #region VSTO generated code

        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        private void InternalStartup()
        {
            this.Startup += new System.EventHandler(ThisAddIn_Startup);
            this.Shutdown += new System.EventHandler(ThisAddIn_Shutdown);
        }
        
        #endregion
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Spire.Xls;

namespace Spire.XLS
{
    class Program
    {
        static void Main(string[] args)
        {
            //Create a new workbook
            Workbook workbook = new Workbook();

            //Initialize worksheet
            workbook.CreateEmptySheets(1);
            Worksheet sheet = workbook.Worksheets[0];           

            //Add data for pie chart
            sheet.Range["A1"].Value = "Quarter";
            sheet.Range["B1"].Value = "Sales";
            sheet.Range["A2"].Value = "One";
            sheet.Range["B2"].NumberValue = 4000;
            sheet.Range["A3"].Value = "Two";
            sheet.Range["B3"].NumberValue = 6000;
            sheet.Range["A4"].Value = "Three";
            sheet.Range["B4"].NumberValue = 10000;
            sheet.Range["A5"].Value = "Four";
            sheet.Range["B5"].NumberValue = 13000;

            //Create a pie chart
            Chart chart = sheet.Charts.Add(ExcelChartType.Pie3D);

            //Set region of chart data
            chart.DataRange = sheet.Range["B2:B5"];
            chart.SeriesDataFromRange = false;

            //Set position of chart
            chart.LeftColumn = 1;
            chart.TopRow = 6;
            chart.RightColumn = 9;
            chart.BottomRow = 25;

            //Chart title
            chart.ChartTitle = "Sales by quarter";

            //Initialize the chart series
            Spire.Xls.Charts.ChartSerie cs = chart.Series[0];

            //Chart Labels resource
            cs.CategoryLabels = sheet.Range["A2:A5"];

            //Chart value resource
            cs.Values = sheet.Range["B2:B5"];
                    
            //Save and Launch
            workbook.SaveToFile("3DPieChart.xlsx",ExcelVersion.Version2010);
            System.Diagnostics.Process.Start("3DPieChart.xlsx");
        }
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Xml.Linq;
using Excel = Microsoft.Office.Interop.Excel;
using Office = Microsoft.Office.Core;
using Microsoft.Office.Tools.Excel;

namespace VSTO
{
    public partial class ThisAddIn
    {
        private void ThisAddIn_Startup(object sender, System.EventArgs e)
        {
            //Add a new worksheet
            Excel.Workbook newWorkbook = this.Application.Workbooks.Add();
            Excel.Worksheet worksheet = newWorkbook.ActiveSheet;

            //Set the text of the specified range
            Excel.Range cells = worksheet.Cells;
            cells.set_Item(1, 1, "Spire.XLS");  
  
            //Copy worksheet
            worksheet.Copy(worksheet);

            //Save
            newWorkbook.Save();
        }

        private void ThisAddIn_Shutdown(object sender, System.EventArgs e)
        {
        }

        #region VSTO generated code

        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        private void InternalStartup()
        {
            this.Startup += new System.EventHandler(ThisAddIn_Startup);
            this.Shutdown += new System.EventHandler(ThisAddIn_Shutdown);
        }
        
        #endregion
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Spire.Xls;

namespace Spire.XLS
{
    class Program
    {
        static void Main(string[] args)
        {
            //Initialize a new instance of workbook
            Workbook workbook = new Workbook();

            //Add worksheet and set text of specified range
            Worksheet worksheet1 = workbook.Worksheets.Add("Sheet"); ;
            worksheet1.Range[1, 1].Text = "Spire.XLS";

            //add worksheet and name them
            Worksheet worksheet2=workbook.Worksheets.Add("Copied sheet");   
                   
            //copy worksheet to the new added worksheets
            worksheet2.CopyFrom(worksheet1);

            //Save and Launch
            workbook.SaveToFile("CopiedWorksheet.xlsx", ExcelVersion.Version2010);
            System.Diagnostics.Process.Start("CopiedWorksheet.xlsx");

        }
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Xml.Linq;
using Excel = Microsoft.Office.Interop.Excel;
using Office = Microsoft.Office.Core;
using Microsoft.Office.Tools.Excel;
using System.Drawing;

namespace VSTO
{
    public partial class ThisAddIn
    {
        private void ThisAddIn_Startup(object sender, System.EventArgs e)
        {
            //Instantiate the Application object
            Excel.Application excelApp = Application;

            //Add a Workbook
            Excel.Workbook workbook = excelApp.Workbooks.Add();

            //Get the First sheet
            Excel.Worksheet sheet = (Excel.Worksheet)workbook.Sheets["Sheet1"];

            //Access cells A1, A2, A3
            Excel.Range range1 = sheet.get_Range("A1");
            Excel.Range range2 = sheet.get_Range("A2");
            Excel.Range range3 = sheet.get_Range("A3");

            //Set values
            range1.Value = 100;
            range2.Value = 200;
            range3.Value = 400;

            //Add a conditional formatting and set its type to CellValue.
            Excel.XlFormatConditionOperator operate = Excel.XlFormatConditionOperator.xlLess;
            string formula = "300";
            Excel.FormatCondition format = sheet.get_Range("A1", "A3").FormatConditions.Add(Excel.XlFormatConditionType.xlCellValue, operate, formula, missing, missing, missing, missing, missing);
            format.Font.Color = Color.Red;

            //Save the file
            workbook.SaveAs("ConditionalFormatting.xlsx");
 
        }

        private void ThisAddIn_Shutdown(object sender, System.EventArgs e)
        {
        }

        #region VSTO generated code

        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        private void InternalStartup()
        {
            this.Startup += new System.EventHandler(ThisAddIn_Startup);
            this.Shutdown += new System.EventHandler(ThisAddIn_Shutdown);
        }
        
        #endregion
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Spire.Xls;
using System.Drawing;

namespace Spire.XLS
{
    class Program
    {
        static void Main(string[] args)
        {
            //Initialize a new instance of workbook
            Workbook workbook = new Workbook();

            //Get the first worksheet
            Worksheet sheet = workbook.Worksheets[0];

            //Access cells A1, A2, A3
            CellRange range1 = sheet.Range["A1"];
            CellRange range2 = sheet.Range["A2"];
            CellRange range3 = sheet.Range["A3"];

            //Set value
            range1.NumberValue = 100;
            range2.NumberValue = 200;
            range3.NumberValue = 400;

            //Add a conditional formatting of cell range and set its type to CellValue
            ConditionalFormatWrapper format = sheet.Range.ConditionalFormats.AddCondition();
            format.FormatType = ConditionalFormatType.CellValue;
            format.FirstFormula = "300";
            format.Operator = ComparisonOperatorType.Less;
            format.FontColor = Color.Red;

            //Save and Launch
            workbook.SaveToFile("ConditionalFormatting.xlsx",ExcelVersion.Version2010);
            System.Diagnostics.Process.Start("ConditionalFormatting.xlsx");
           
        }
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Xml.Linq;
using Excel = Microsoft.Office.Interop.Excel;
using Office = Microsoft.Office.Core;
using Microsoft.Office.Tools.Excel;
using System.Drawing;

namespace VSTO
{
    public partial class ThisAddIn
    {
        private void ThisAddIn_Startup(object sender, System.EventArgs e)
        {
            //Instantiate the Application object
            Excel.Application excelApp = Application;

            //Add a Workbook
            Excel.Workbook workbook = excelApp.Workbooks.Add();

            //Get the First worksheet
            Excel.Worksheet sheet = (Excel.Worksheet)workbook.Sheets["Sheet1"];

            //Access cells A1, A2, A3
            Excel.Range cell1 = sheet.Range["A1"];
            Excel.Range cell2 = sheet.Range["A2"];
            Excel.Range cell3 = sheet.Range["A3"];

            //Set value
            cell1.Value = 2;
            cell2.Value = 3;

            //Add formula in cell3
            cell3.Formula = "=Sum(A1:A2)";

            //Set the font color
            cell3.Font.Color = Color.Red;

            //Save the file
            workbook.SaveAs("FormulaExcel.xlsx");
        }

        private void ThisAddIn_Shutdown(object sender, System.EventArgs e)
        {
        }

        #region VSTO generated code

        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        private void InternalStartup()
        {
            this.Startup += new System.EventHandler(ThisAddIn_Startup);
            this.Shutdown += new System.EventHandler(ThisAddIn_Shutdown);
        }
        
        #endregion
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Spire.Xls;
using System.Drawing;

namespace Spire.XLS
{
    class Program
    {
        static void Main(string[] args)
        {
            //Initialize a new instance of workbook
            Workbook workbook = new Workbook();

            //Get the first worksheet
            Worksheet sheet = workbook.Worksheets[0];

            //Access cells A1, A2, A3
            CellRange cell1 = sheet.Range["A1"];
            CellRange cell2 = sheet.Range["A2"];
            CellRange cell3 = sheet.Range["A3"];
            
            //Set value
            cell1.Value2 = 2;
            cell2.Value2 = 3;

            //Add formula in cell3
            cell3.Formula = "=Sum(A1:A2)";

            //Set the font color
            cell3.Style.Font.Color = Color.Red;

            //Save and Launch
            workbook.SaveToFile("FormulaExcel.xlsx", ExcelVersion.Version2010);
            System.Diagnostics.Process.Start("FormulaExcel.xlsx");
        }
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Xml.Linq;
using Excel = Microsoft.Office.Interop.Excel;
using Office = Microsoft.Office.Core;
using Microsoft.Office.Tools.Excel;

namespace VSTO
{
    public partial class ThisAddIn
    {
        private void ThisAddIn_Startup(object sender, System.EventArgs e)
        {
            //Add a new worksheet
            Excel.Workbook newWorkbook = this.Application.Workbooks.Add();
            Excel.Worksheet sheet = newWorkbook.ActiveSheet;

            //Set the worksheet name and the text of the specified range
            sheet.Name = "AddedSheet";
            Excel.Range cell = sheet.Cells;
            cell.set_Item(1, 1, "Spire.XLS");

            //Save
            newWorkbook.Save();

        }

        private void ThisAddIn_Shutdown(object sender, System.EventArgs e)
        {
        }

        #region VSTO generated code

        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        private void InternalStartup()
        {
            this.Startup += new System.EventHandler(ThisAddIn_Startup);
            this.Shutdown += new System.EventHandler(ThisAddIn_Shutdown);
        }
        
        #endregion
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Spire.Xls;

namespace Spire.XLS
{
    class Program
    {
        static void Main(string[] args)
        {
            //Initialize a new instance of workbook
            Workbook workbook = new Workbook();

            //Add a new worksheet
            Worksheet newSheet=workbook.Worksheets.Add("AddedSheet");

            //Set text of specified range
            newSheet.Range[1, 1].Text = "Spire.XLS";

            //Save and Launch
            workbook.SaveToFile("Sample.xlsx", ExcelVersion.Version2013);
            System.Diagnostics.Process.Start("Sample.xlsx");
        }
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Xml.Linq;
using Excel = Microsoft.Office.Interop.Excel;
using Office = Microsoft.Office.Core;
using Microsoft.Office.Tools.Excel;
using System.Drawing;

namespace VSTO
{
    public partial class ThisAddIn
    {
        private void ThisAddIn_Startup(object sender, System.EventArgs e)
        {
            //Add a new workbook
            Excel.Workbook workbook = this.Application.Workbooks.Add();

            //Get the active sheet
            Excel.Worksheet sheet = workbook.ActiveSheet;

            //Define a range object(A1)
            Excel.Range range = sheet.Range["A1", "A1"];
            range.Value = "Spire.XLS";

            //Add a comment to the range
            Excel.Comment comment = range.AddComment("Spire.XLS for .NET");

            //Set the format of the comment                     
            comment.Shape.Width = 200;
            comment.Shape.Height = 50;    
        
            //Save the file
            workbook.SaveAs("Comment.xlsx");
        }

        private void ThisAddIn_Shutdown(object sender, System.EventArgs e)
        {
        }

        #region VSTO generated code

        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        private void InternalStartup()
        {
            this.Startup += new System.EventHandler(ThisAddIn_Startup);
            this.Shutdown += new System.EventHandler(ThisAddIn_Shutdown);
        }
        
        #endregion
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Spire.Xls;
using System.Drawing;

namespace Spire.XLS
{
    class Program
    {
        static void Main(string[] args)
        {
            //Initialize a new instance of workbook
            Workbook workbook = new Workbook();

            //Define a range object(A1)
            Worksheet sheet = workbook.Worksheets[0];
            CellRange range = sheet.Range["A1:A1"];
            range.Text = "Spire.XLS";

            //Add a comment
            ExcelComment comment = range.AddComment();
            comment.RichText.Text = "Spire.XLS for .NET";

            //Set the format of the comment          
            comment.Width = 200;
            comment.Height = 50;
            
            //Save and Launch
            workbook.SaveToFile("Comment.xlsx",ExcelVersion.Version2013);
            System.Diagnostics.Process.Start("Comment.xlsx");         
        }
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Xml.Linq;
using PowerPoint = Microsoft.Office.Interop.PowerPoint;
using Office = Microsoft.Office.Core;

namespace VSTO
{
    public partial class ThisAddIn
    {
        private void ThisAddIn_Startup(object sender, System.EventArgs e)
        {
            //Create empty presentation
            PowerPoint.Presentation ppt = this.Application.Presentations.Add();

            //Add a blank slide
            PowerPoint.Slide slide = ppt.Slides.Add(1, PowerPoint.PpSlideLayout.ppLayoutBlank);

            //Add shape to slide
            PowerPoint.Shape shape = slide.Shapes.AddShape(Office.MsoAutoShapeType.msoShapeRectangle, 300, 100, 300, 100);

            //Set the style of slide
            shape.Line.Style = Office.MsoLineStyle.msoLineSingle;
            shape.Line.Weight = 5;
            //Border color
            shape.Line.ForeColor.RGB = 0x000000CC;
            //Background color
            shape.Fill.ForeColor.RGB = 0x00000000;

            //Set the style of slide
            slide.BackgroundStyle = Office.MsoBackgroundStyleIndex.msoBackgroundStylePreset1;
            slide.Background.Fill.ForeColor.RGB = 0x00CCFFCC;

            //Save the file
            ppt.SaveAs("Style.pptx");
        }

        private void ThisAddIn_Shutdown(object sender, System.EventArgs e)
        {
        }

        #region VSTO generated code

        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        private void InternalStartup()
        {
            this.Startup += new System.EventHandler(ThisAddIn_Startup);
            this.Shutdown += new System.EventHandler(ThisAddIn_Shutdown);
        }
        
        #endregion
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Spire.Presentation;
using System.Drawing;
using Spire.Presentation.Drawing;

namespace Spire.Presentation
{
    class Program
    {
        static void Main(string[] args)
        {
            //Create ppt document
            Presentation ppt = new Presentation();

            //Get the first slide
            ISlide slide = ppt.Slides[0];

            //Add shape to slide
            IShape shape = slide.Shapes.AppendShape(ShapeType.Rectangle, new System.Drawing.RectangleF(200, 50, 300, 100));
            
            //Set the style of shape
            shape.Line.FillType = Spire.Presentation.Drawing.FillFormatType.Solid;            
            shape.Fill.FillType = Spire.Presentation.Drawing.FillFormatType.Solid;
            //Background color
            shape.Fill.SolidColor.Color = Color.Black;
            //Border color
            shape.Line.SolidFillColor.Color = Color.Red;
            shape.Line.Width = 5;

            //Set the style of slide
            slide.SlideBackground.Type = BackgroundType.Custom;
            slide.SlideBackground.Fill.FillType = Spire.Presentation.Drawing.FillFormatType.Solid;
            slide.SlideBackground.Fill.SolidColor.Color = Color.DarkGray;

            //Save and Launch
            ppt.SaveToFile("Style.pptx", FileFormat.Pptx2010);
            System.Diagnostics.Process.Start("Style.pptx");

        }
    }
}