Initial commit of the ClosedXML library

Establishes the foundational structure, core Excel functionality, and tooling. - Implements base components for cells, ranges, columns, and rows. - Integrates a custom calculation engine with a wide range of Excel functions. - Adds comprehensive support for styling, conditional formatting, data validation, comments, pictures, and charts. - Configures build setup, project metadata (NuGet), and developer guidelines. - Includes editor and Git attributes for consistent code style and line endings.
2026-06-23 11:02:53 -05:00
parent 28bc05cf54
commit 2cd6df6481
1092 changed files with 97270 additions and 408 deletions
@@ -0,0 +1,84 @@
+using System;
+using System.Drawing;
+using ClosedXML.Excel;
+
+
+namespace ClosedXML_Examples.Styles
+{
+    public class UsingColors : IXLExample
+    {
+        public void Create(String filePath)
+        {
+            var wb = new XLWorkbook();
+            var ws = wb.Worksheets.Add("Using Colors");
+
+            Int32 ro = 0;
+
+            // From Known color
+            ws.Cell(++ro, 1).Style.Fill.BackgroundColor = XLColor.Red;
+            ws.Cell(ro, 2).Value = "XLColor.Red";
+
+            // From Color not so known
+            ws.Cell(++ro, 1).Style.Fill.BackgroundColor = XLColor.Byzantine;
+            ws.Cell(ro, 2).Value = "XLColor.Byzantine";
+
+            ro++;
+
+            // FromArgb(Int32 argb) using Hex notation
+            ws.Cell(++ro, 1).Style.Fill.BackgroundColor = XLColor.FromArgb(0xFF00FF);
+            ws.Cell(ro, 2).Value = "XLColor.FromArgb(0xFF00FF)";
+
+            // FromArgb(Int32 argb) using an integer (you need to convert the hex value to an int)
+            ws.Cell(++ro, 1).Style.Fill.BackgroundColor = XLColor.FromArgb(16711935);
+            ws.Cell(ro, 2).Value = "XLColor.FromArgb(16711935)";
+
+            // FromArgb(Int32 r, Int32 g, Int32 b)
+            ws.Cell(++ro, 1).Style.Fill.BackgroundColor = XLColor.FromArgb(255, 0, 255);
+            ws.Cell(ro, 2).Value = "XLColor.FromArgb(255, 0, 255)";
+
+            // FromArgb(Int32 a, Int32 r, Int32 g, Int32 b)
+            // Note: Excel ignores the alpha value
+            ws.Cell(++ro, 1).Style.Fill.BackgroundColor = XLColor.FromArgb(0, 255, 0, 255);
+            ws.Cell(ro, 2).Value = "XLColor.FromArgb(0, 255, 0, 255)";
+
+            ro++;
+
+            // FromColor(Color color)
+            ws.Cell(++ro, 1).Style.Fill.BackgroundColor = XLColor.FromColor(Color.Red);
+            ws.Cell(ro, 2).Value = "XLColor.FromColor(Color.Red)";
+
+            ro++;
+
+            // FromHtml(String htmlColor)
+            ws.Cell(++ro, 1).Style.Fill.BackgroundColor = XLColor.FromHtml("#FF996515");
+            ws.Cell(ro, 2).Value = "XLColor.FromHtml(\"#FF996515\")";
+
+            ro++;
+
+            // FromIndex(Int32 indexedColor)
+            ws.Cell(++ro, 1).Style.Fill.BackgroundColor = XLColor.FromIndex(25);
+            ws.Cell(ro, 2).Value = "XLColor.FromIndex(25)";
+
+            ro++;
+
+            // FromName(String colorName)
+            ws.Cell(++ro, 1).Style.Fill.BackgroundColor = XLColor.FromName("PowderBlue");
+            ws.Cell(ro, 2).Value = "XLColor.FromName(\"PowderBlue\")";
+
+            ro++;
+
+            // From Theme color
+            ws.Cell(++ro, 1).Style.Fill.BackgroundColor = XLColor.FromTheme(XLThemeColor.Accent1);
+            ws.Cell(ro, 2).Value = "XLColor.FromTheme(XLThemeColor.Accent1)";
+
+            // From Theme color with tint
+            ws.Cell(++ro, 1).Style.Fill.BackgroundColor = XLColor.FromTheme(XLThemeColor.Accent1, 0.5);
+            ws.Cell(ro, 2).Value = "XLColor.FromTheme(XLThemeColor.Accent1, 0.5)";
+
+
+            ws.Columns().AdjustToContents();
+
+            wb.SaveAs(filePath);
+        }
+    }
+}