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Diffstat (limited to 'src/mscorlib/src/System/Runtime/InteropServices/ArrayWithOffset.cs')
-rw-r--r--src/mscorlib/src/System/Runtime/InteropServices/ArrayWithOffset.cs76
1 files changed, 76 insertions, 0 deletions
diff --git a/src/mscorlib/src/System/Runtime/InteropServices/ArrayWithOffset.cs b/src/mscorlib/src/System/Runtime/InteropServices/ArrayWithOffset.cs
new file mode 100644
index 0000000000..83eae1c59c
--- /dev/null
+++ b/src/mscorlib/src/System/Runtime/InteropServices/ArrayWithOffset.cs
@@ -0,0 +1,76 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+namespace System.Runtime.InteropServices {
+
+ using System;
+ using System.Runtime.CompilerServices;
+ using System.Runtime.Versioning;
+
+ [Serializable]
+ [System.Runtime.InteropServices.ComVisible(true)]
+ public struct ArrayWithOffset
+ {
+ //private ArrayWithOffset()
+ //{
+ // throw new Exception();
+ //}
+
+ [System.Security.SecuritySafeCritical] // auto-generated
+ public ArrayWithOffset(Object array, int offset)
+ {
+ m_array = array;
+ m_offset = offset;
+ m_count = 0;
+ m_count = CalculateCount();
+ }
+
+ public Object GetArray()
+ {
+ return m_array;
+ }
+
+ public int GetOffset()
+ {
+ return m_offset;
+ }
+
+ public override int GetHashCode()
+ {
+ return m_count + m_offset;
+ }
+
+ public override bool Equals(Object obj)
+ {
+ if (obj is ArrayWithOffset)
+ return Equals((ArrayWithOffset)obj);
+ else
+ return false;
+ }
+
+ public bool Equals(ArrayWithOffset obj)
+ {
+ return obj.m_array == m_array && obj.m_offset == m_offset && obj.m_count == m_count;
+ }
+
+ public static bool operator ==(ArrayWithOffset a, ArrayWithOffset b)
+ {
+ return a.Equals(b);
+ }
+
+ public static bool operator !=(ArrayWithOffset a, ArrayWithOffset b)
+ {
+ return !(a == b);
+ }
+
+ [System.Security.SecurityCritical] // auto-generated
+ [MethodImplAttribute(MethodImplOptions.InternalCall)]
+ private extern int CalculateCount();
+
+ private Object m_array;
+ private int m_offset;
+ private int m_count;
+ }
+
+}