系统图标-测试

Util/SystemIcon.cs

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+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Linq;
+using System.Runtime.InteropServices;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace GeekDesk.Util
+{
+    public class SystemIcon
+    {
+        [DllImport("Shell32.dll")]
+        public static extern int ExtractIcon(IntPtr h, string strx, int ii);
+
+        public static Icon MyExtractIcon(string FileName, int iIndex, IntPtr h)
+        {
+            try
+            {
+                IntPtr hIcon = (IntPtr)ExtractIcon(h, FileName, iIndex);
+                if (!hIcon.Equals(null))
+                {
+                    Icon icon = Icon.FromHandle(hIcon);
+                    return icon;
+                }
+            }
+            catch (Exception ex)
+            { 
+            }
+            return null;
+        }
+
+}
+}