添加项目文件。

Sai.Toolkit.Revit/Assist/ImageAssist.cs

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+using System.Drawing;
+using System.Drawing.Imaging;
+using System.IO;
+using System.Reflection;
+using System.Windows;
+using System.Windows.Interop;
+using System.Windows.Media.Imaging;
+
+namespace Sai.Toolkit.Revit.Assist;
+
+public static class ImageAssist
+{
+    /// <summary>
+    /// 解压资源
+    /// </summary>
+    /// <param name="resourceName"></param>
+    /// <param name="path"></param>
+	public static void ExtractResource(string resourceName, string path)
+	{
+		using var manifestResourceStream = Assembly.GetExecutingAssembly().GetManifestResourceStream(resourceName);
+		using Stream stream = File.Create(path);
+		var array = new byte[8192];
+		int count;
+		while ((count = manifestResourceStream.Read(array, 0, array.Length)) > 0)
+		{
+			stream.Write(array, 0, count);
+		}
+	}
+
+	public static BitmapImage ToBitmapImage(this Bitmap bitmap)
+	{
+		if (bitmap is null)
+		{
+			throw new ArgumentNullException(nameof(bitmap));
+		}
+
+		using var ms = new MemoryStream();
+		bitmap.Save(ms, ImageFormat.Png);
+
+		ms.Position = 0;
+
+		var result = new BitmapImage();
+
+		result.BeginInit();
+
+		result.StreamSource = ms;
+
+		result.CacheOption = BitmapCacheOption.OnLoad;
+
+		result.EndInit();
+
+		return result;
+	}
+
+	public static BitmapSource ToBitmapSource(this Bitmap bitmap)
+	{
+		if (bitmap == null)
+		{
+			return null;
+		}
+		return Imaging.CreateBitmapSourceFromHBitmap(bitmap.GetHbitmap(), IntPtr.Zero, Int32Rect.Empty, BitmapSizeOptions.FromEmptyOptions());
+	}
+
+	/// <summary>
+	///     Icon转BitmapSource
+	/// </summary>
+	/// <param name="icon"></param>
+	/// <returns></returns>
+	public static BitmapSource ToBitmapSource(this Icon icon)
+	{
+		return Imaging.CreateBitmapSourceFromHIcon(
+			icon.Handle,
+			new Int32Rect(0, 0, icon.Width, icon.Height),
+			BitmapSizeOptions.FromWidthAndHeight(icon.Width, icon.Height)
+		);
+	}
+}