Example

This example demonstrates how to apply formatting to a cells using Interior property.

Output file: console-interior.xls

[C#]
using System;
using System.Drawing;
using NativeExcel;

namespace Console_Interior
{
    class Program
    {
        static void Main(string[] args)
        {
            string FileName = "console-interior.xls";
            CreateWorkbook(FileName);
            OpenWorkbookWithExcel(FileName);
        }

        static void CreateWorkbook(string FileName) {
            //Create a new workbook
            IWorkbook book = NativeExcel.Factory.CreateWorkbook();

            //Add worksheet
            IWorksheet sheet = book.Worksheets.Add();

            int row = 2;
            sheet.Cells[row, 1].Value = "xlPatternNone";
            sheet.Cells[row, 2, row, 10].Interior.Pattern = XlPattern.xlPatternNone;

            row++;
            sheet.Cells[row, 1].Value = "xlPatternSolid";
            sheet.Cells[row, 2, row, 10].Interior.Pattern = XlPattern.xlPatternSolid;

            row++;
            sheet.Cells[row, 1].Value = "xlPatternGray50";
            sheet.Cells[row, 2, row, 10].Interior.Pattern = XlPattern.xlPatternGray50;

            row++;
            sheet.Cells[row, 1].Value = "xlPatternGray75";
            sheet.Cells[row, 2, row, 10].Interior.Pattern = XlPattern.xlPatternGray75;

            row++;
            sheet.Cells[row, 1].Value = "xlPatternGray25";
            sheet.Cells[row, 2, row, 10].Interior.Pattern = XlPattern.xlPatternGray25;

            row++;
            sheet.Cells[row, 1].Value = "xlPatternHorizontal";
            sheet.Cells[row, 2, row, 10].Interior.Pattern = XlPattern.xlPatternHorizontal;

            row++;
            sheet.Cells[row, 1].Value = "xlPatternVertical";
            sheet.Cells[row, 2, row, 10].Interior.Pattern = XlPattern.xlPatternVertical;

            row++;
            sheet.Cells[row, 1].Value = "xlPatternDown";
            sheet.Cells[row, 2, row, 10].Interior.Pattern = XlPattern.xlPatternDown;

            row++;
            sheet.Cells[row, 1].Value = "xlPatternUp";
            sheet.Cells[row, 2, row, 10].Interior.Pattern = XlPattern.xlPatternUp;

            row++;
            sheet.Cells[row, 1].Value = "xlPatternChecker";
            sheet.Cells[row, 2, row, 10].Interior.Pattern = XlPattern.xlPatternChecker;

            row++;
            sheet.Cells[row, 1].Value = "xlPatternSemiGray75";
            sheet.Cells[row, 2, row, 10].Interior.Pattern = XlPattern.xlPatternSemiGray75;

            row++;
            sheet.Cells[row, 1].Value = "xlPatternLightHorizontal";
            sheet.Cells[row, 2, row, 10].Interior.Pattern = XlPattern.xlPatternLightHorizontal;

            row++;
            sheet.Cells[row, 1].Value = "xlPatternLightVertical";
            sheet.Cells[row, 2, row, 10].Interior.Pattern = XlPattern.xlPatternLightVertical;

            row++;
            sheet.Cells[row, 1].Value = "xlPatternLightDown";
            sheet.Cells[row, 2, row, 10].Interior.Pattern = XlPattern.xlPatternLightDown;

            row++;
            sheet.Cells[row, 1].Value = "xlPatternLightUp";
            sheet.Cells[row, 2, row, 10].Interior.Pattern = XlPattern.xlPatternLightUp;

            row++;
            sheet.Cells[row, 1].Value = "xlPatternGrid";
            sheet.Cells[row, 2, row, 10].Interior.Pattern = XlPattern.xlPatternGrid;

            row++;
            sheet.Cells[row, 1].Value = "xlPatternCrissCross";
            sheet.Cells[row, 2, row, 10].Interior.Pattern = XlPattern.xlPatternCrissCross;

            row++;
            sheet.Cells[row, 1].Value = "xlPatternGray16";
            sheet.Cells[row, 2, row, 10].Interior.Pattern = XlPattern.xlPatternGray16;

            row++;
            sheet.Cells[row, 1].Value = "xlPatternGray8";
            sheet.Cells[row, 2, row, 10].Interior.Pattern = XlPattern.xlPatternGray8;

            //Set columns' width
            sheet.UsedRange.Columns.ColumnWidth = 5;
            //Set width of the first column 
            sheet.Cells.Columns[1].ColumnWidth = 25;
            //Set rows' height  
            sheet.UsedRange.Rows.RowHeight = 20;
            sheet.UsedRange.VerticalAlignment = XlVAlign.xlVAlignCenter;
 
            IRange range = sheet.Range[3, 2, row, 10];

            //Set the background color of column 2
            range.Columns[2].Interior.Color = Color.Red;   
            //Set the background color of column 3
            range.Columns[3].Interior.Color = Color.Green;   
            //Set the background color of column 4
            range.Columns[4].Interior.Color = Color.Blue;   
            //Set the background color of column 5
            range.Columns[5].Interior.Color = Color.Yellow;   

            //Set the pattern color of column 6
            range.Columns[6].Interior.PatternColor = Color.Red;   
            //Set the pattern color of column 7
            range.Columns[7].Interior.PatternColor = Color.Green;   
            //Set the pattern color of column 8
            range.Columns[8].Interior.PatternColor = Color.Blue;   
            //Set the pattern color of column 9
            range.Columns[9].Interior.PatternColor = Color.Yellow;   

            //Add worksheet 2
            IWorksheet sheet2 = book.Worksheets.Add();
            //Copy range from Sheet1 to Sheet2  
            sheet.Cells[2,1,row,10].Copy(sheet2.Cells[2,1,row,10]);
            //Set rows' height  
            sheet2.UsedRange.Rows.RowHeight = 20;
            //Remove the interior pattern from range D7:H12
            sheet2.Range["D7:H12"].Interior.Pattern = XlPattern.xlPatternNone;

            //Save workbook
            book.SaveAs(FileName);
        }

        static void OpenWorkbookWithExcel(string FileName){
            try {
                System.Diagnostics.Process.Start(FileName);
            } catch {
                Console.WriteLine(FileName + " created in application folder");
            }
        }
    }
}

[Visual Basic]
imports System
imports NativeExcel
imports System.Drawing

Module Console_Interior

    Sub Main()
        Dim FileName As String = "console-interior.xls"
        CreateWorkbook(FileName)
        OpenWorkbookWithExcel(FileName)
    End Sub

    Sub CreateWorkbook(FileName As String)

        'Create a new workbook
        Dim book As IWorkbook = NativeExcel.Factory.CreateWorkbook()

        'Add worksheet
        Dim sheet As IWorksheet = book.Worksheets.Add()

        Dim row As Integer = 2
        sheet.Cells(row, 1).Value = "xlPatternNone"
        sheet.Cells(row, 2, row, 10).Interior.Pattern = XlPattern.xlPatternNone

        row = row + 1
        sheet.Cells(row, 1).Value = "xlPatternSolid"
        sheet.Cells(row, 2, row, 10).Interior.Pattern = XlPattern.xlPatternSolid

        row = row + 1
        sheet.Cells(row, 1).Value = "xlPatternGray50"
        sheet.Cells(row, 2, row, 10).Interior.Pattern = XlPattern.xlPatternGray50

        row = row + 1
        sheet.Cells(row, 1).Value = "xlPatternGray75"
        sheet.Cells(row, 2, row, 10).Interior.Pattern = XlPattern.xlPatternGray75

        row = row + 1
        sheet.Cells(row, 1).Value = "xlPatternGray25"
        sheet.Cells(row, 2, row, 10).Interior.Pattern = XlPattern.xlPatternGray25

        row = row + 1
        sheet.Cells(row, 1).Value = "xlPatternHorizontal"
        sheet.Cells(row, 2, row, 10).Interior.Pattern = XlPattern.xlPatternHorizontal

        row = row + 1
        sheet.Cells(row, 1).Value = "xlPatternVertical"
        sheet.Cells(row, 2, row, 10).Interior.Pattern = XlPattern.xlPatternVertical

        row = row + 1
        sheet.Cells(row, 1).Value = "xlPatternDown"
        sheet.Cells(row, 2, row, 10).Interior.Pattern = XlPattern.xlPatternDown

        row = row + 1
        sheet.Cells(row, 1).Value = "xlPatternUp"
        sheet.Cells(row, 2, row, 10).Interior.Pattern = XlPattern.xlPatternUp

        row = row + 1
        sheet.Cells(row, 1).Value = "xlPatternChecker"
        sheet.Cells(row, 2, row, 10).Interior.Pattern = XlPattern.xlPatternChecker

        row = row + 1
        sheet.Cells(row, 1).Value = "xlPatternSemiGray75"
        sheet.Cells(row, 2, row, 10).Interior.Pattern = XlPattern.xlPatternSemiGray75

        row = row + 1
        sheet.Cells(row, 1).Value = "xlPatternLightHorizontal"
        sheet.Cells(row, 2, row, 10).Interior.Pattern = XlPattern.xlPatternLightHorizontal

        row = row + 1
        sheet.Cells(row, 1).Value = "xlPatternLightVertical"
        sheet.Cells(row, 2, row, 10).Interior.Pattern = XlPattern.xlPatternLightVertical

        row = row + 1
        sheet.Cells(row, 1).Value = "xlPatternLightDown"
        sheet.Cells(row, 2, row, 10).Interior.Pattern = XlPattern.xlPatternLightDown

        row = row + 1
        sheet.Cells(row, 1).Value = "xlPatternLightUp"
        sheet.Cells(row, 2, row, 10).Interior.Pattern = XlPattern.xlPatternLightUp

        row = row + 1
        sheet.Cells(row, 1).Value = "xlPatternGrid"
        sheet.Cells(row, 2, row, 10).Interior.Pattern = XlPattern.xlPatternGrid

        row = row + 1
        sheet.Cells(row, 1).Value = "xlPatternCrissCross"
        sheet.Cells(row, 2, row, 10).Interior.Pattern = XlPattern.xlPatternCrissCross

        row = row + 1
        sheet.Cells(row, 1).Value = "xlPatternGray16"
        sheet.Cells(row, 2, row, 10).Interior.Pattern = XlPattern.xlPatternGray16

        row = row + 1
        sheet.Cells(row, 1).Value = "xlPatternGray8"
        sheet.Cells(row, 2, row, 10).Interior.Pattern = XlPattern.xlPatternGray8

        'Set columns width
        sheet.UsedRange.Columns.ColumnWidth = 5
        'Set width of the first column 
        sheet.Cells.Columns(1).ColumnWidth = 25
        'Set rows height  
        sheet.UsedRange.Rows.RowHeight = 20
        sheet.UsedRange.VerticalAlignment = XlVAlign.xlVAlignCenter

        Dim range As IRange = sheet.Range(3, 2, row, 10)

        'background color for the column 2
        range.Columns(2).Interior.Color = Color.Red   
        'background color for the column 3
        range.Columns(3).Interior.Color = Color.Green   
        'background color for the column 4
        range.Columns(4).Interior.Color = Color.Blue   
        'background color for the column 5
        range.Columns(5).Interior.Color = Color.Yellow   

        'pattern color for the column 6
        range.Columns(6).Interior.PatternColor = Color.Red   
        'pattern color for the column 7
        range.Columns(7).Interior.PatternColor = Color.Green   
        'pattern color for the column 8
        range.Columns(8).Interior.PatternColor = Color.Blue   
        'pattern color for the column 9
        range.Columns(9).Interior.PatternColor = Color.Yellow   

        'Add worksheet 2
        Dim sheet2 As IWorksheet = book.Worksheets.Add()
        'Copy range from Sheet1 to Sheet2  
        sheet.Cells(2,1,row,10).Copy(sheet2.Cells(2,1,row,10))
        'Set rows height  
        sheet2.UsedRange.Rows.RowHeight = 20
        'Remove interior pattern from D7:H12 range
        sheet2.Range("D7:H12").Interior.Pattern = XlPattern.xlPatternNone

        'Save workbook
        book.SaveAs(FileName)

    End Sub

    Sub OpenWorkbookWithExcel(FileName As String)
        Try
           System.Diagnostics.Process.Start(FileName)
        Catch
           Console.WriteLine(FileName + " created in application folder")
        End Try  
    End Sub

End Module

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