refactor Interop classes

src/Shared/HandyControl_Shared/Tools/Interop/Handle/BitmapHandle.cs

@@ -0,0 +1,45 @@
+using System;
+using System.Diagnostics.CodeAnalysis;
+using System.Runtime.ConstrainedExecution;
+using System.Runtime.InteropServices;
+using System.Security;
+
+namespace HandyControl.Tools.Interop
+{
+    [SuppressMessage("ReSharper", "UnusedMember.Local")]
+    internal sealed class BitmapHandle : WpfSafeHandle
+    {
+        [SecurityCritical]
+        private BitmapHandle() : this(true)
+        {
+            //请不要删除此构造函数，否则当使用自定义ico文件时会报错
+        }
+
+        [SecurityCritical]
+        private BitmapHandle(bool ownsHandle) : base(ownsHandle, CommonHandles.GDI)
+        {
+        }
+
+        [SecurityCritical]
+        [ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)]
+        protected override bool ReleaseHandle()
+        {
+            return InteropMethods.DeleteObject(handle);
+        }
+
+        [SecurityCritical]
+        internal HandleRef MakeHandleRef(object obj)
+        {
+            return new HandleRef(obj, handle);
+        }
+
+        [SecurityCritical]
+        internal static BitmapHandle CreateFromHandle(IntPtr hbitmap, bool ownsHandle = true)
+        {
+            return new BitmapHandle(ownsHandle)
+            {
+                handle = hbitmap,
+            };
+        }
+    }
+}