Adding some implicit conversion operators for LARGE_INTEGER and ULARG…

…E_INTEGER

sources/Interop/Windows/Windows/um/winnt/LARGE_INTEGER.Manual.cs

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+// Copyright © Tanner Gooding and Contributors. Licensed under the MIT License (MIT). See License.md in the repository root for more information.
+
+// Ported from um/winnt.h in the Windows SDK for Windows 10.0.20348.0
+// Original source is Copyright © Microsoft. All rights reserved.
+
+using System.Runtime.CompilerServices;
+
+namespace TerraFX.Interop.Windows;
+
+public partial struct LARGE_INTEGER
+{
+    public static implicit operator long(LARGE_INTEGER value) => value.QuadPart;
+
+    public static implicit operator LARGE_INTEGER(long value)
+    {
+        Unsafe.SkipInit(out LARGE_INTEGER result);
+        result.QuadPart = value;
+        return result;
+    }
+}

sources/Interop/Windows/Windows/um/winnt/ULARGE_INTEGER.Manual.cs

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+// Copyright © Tanner Gooding and Contributors. Licensed under the MIT License (MIT). See License.md in the repository root for more information.
+
+// Ported from um/winnt.h in the Windows SDK for Windows 10.0.20348.0
+// Original source is Copyright © Microsoft. All rights reserved.
+
+using System.Runtime.CompilerServices;
+
+namespace TerraFX.Interop.Windows;
+
+public partial struct ULARGE_INTEGER
+{
+    public static implicit operator ulong(ULARGE_INTEGER value) => value.QuadPart;
+
+    public static implicit operator ULARGE_INTEGER(ulong value)
+    {
+        Unsafe.SkipInit(out ULARGE_INTEGER result);
+        result.QuadPart = value;
+        return result;
+    }
+}