Consolidate interop calls for Microsoft.Win32.Registry library

Move all pinvokes, win32 constants to the common\Interop folder where they can be shared across libraries.

Author: Pallavi Taneja

src/Common/src/Interop/Windows/Interop.Libraries.cs

@@ -6,8 +6,11 @@ internal static partial class Interop
     private static class Libraries
     {
         internal const string Debug = "api-ms-win-core-debug-l1-1-0.dll";
-        internal const string Localization = "api-ms-win-core-localization-l1-2-0.dll";
         internal const string Handle = "api-ms-win-core-handle-l1-1-0.dll";
+        internal const string Localization = "api-ms-win-core-localization-l1-2-0.dll";
+        internal const string PROCESSENVIRONMENT_L1_APISET = "api-ms-win-core-processenvironment-l1-1-0.dll";
+        internal const string REGISTRY_L1_APISET = "api-ms-win-core-registry-l1-1-0.dll";
+        internal const string REGISTRY_L2_APISET = "api-ms-win-core-registry-l2-1-0.dll";
         internal const string User32 = "user32.dll";
     }
 }

src/Common/src/Interop/Windows/mincore/Interop.Errors.cs

@@ -0,0 +1,20 @@
+// Copyright (c) Microsoft. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+
+internal partial class Interop
+{
+    internal partial class mincore
+    {
+        internal partial class Errors
+        {
+            internal const int ERROR_SUCCESS = 0x0;
+            internal const int ERROR_FILE_NOT_FOUND = 0x2;
+            internal const int ERROR_ACCESS_DENIED = 0x5;
+            internal const int ERROR_INVALID_HANDLE = 0x6;
+            internal const int ERROR_FILENAME_EXCED_RANGE = 0xCE;  // filename too long.
+            internal const int ERROR_MORE_DATA = 0xEA;
+            internal const int ERROR_DLL_INIT_FAILED = 0x45A;
+            internal const int ERROR_BAD_IMPERSONATION_LEVEL = 0x542;
+        }
+    }
+}

src/Common/src/Interop/Windows/mincore/Interop.FormatMessage.cs

@@ -15,9 +15,15 @@ internal partial class mincore
 
         private const int ERROR_INSUFFICIENT_BUFFER = 0x7A;
 
-        [DllImport(Libraries.Localization, CharSet = CharSet.Unicode,  EntryPoint="FormatMessageW", SetLastError = true, BestFitMapping = true)]
-        private static extern int FormatMessage(int dwFlags, IntPtr lpSource_mustBeNull, uint dwMessageId,
-            int dwLanguageId, StringBuilder lpBuffer, int nSize, IntPtr[] arguments);
+        [DllImport(Libraries.Localization, CharSet = CharSet.Unicode, EntryPoint = "FormatMessageW", SetLastError = true, BestFitMapping = true)]
+        private static extern int FormatMessage(
+            int dwFlags,
+            IntPtr lpSource_mustBeNull, 
+            uint dwMessageId,
+            int dwLanguageId,
+            StringBuilder lpBuffer,
+            int nSize,
+            IntPtr[] arguments);
 
         /// <summary>
         ///     Returns a string message for the specified Win32 error code.

src/Common/src/Interop/Windows/mincore/Interop.RegCloseKey.cs

@@ -0,0 +1,15 @@
+// Copyright (c) Microsoft. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+
+using Microsoft.Win32.SafeHandles;
+using System;
+using System.Runtime.InteropServices;
+
+internal partial class Interop
+{
+    internal partial class mincore
+    {
+        [DllImport(Libraries.REGISTRY_L1_APISET)]
+        internal extern static int RegCloseKey(IntPtr hKey);
+    }
+}

src/Common/src/Interop/Windows/mincore/Interop.RegConnectRegistry.cs

@@ -0,0 +1,15 @@
+// Copyright (c) Microsoft. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+
+using Microsoft.Win32.SafeHandles;
+using System;
+using System.Runtime.InteropServices;
+
+internal partial class Interop
+{
+    internal partial class mincore
+    {
+        [DllImport(Libraries.REGISTRY_L2_APISET, CharSet = CharSet.Unicode, BestFitMapping = false, EntryPoint = "RegConnectRegistryW")]
+        internal static extern int RegConnectRegistry(String machineName, SafeRegistryHandle key, out SafeRegistryHandle result);
+    }
+}

src/Common/src/Interop/Windows/mincore/Interop.RegCreateKeyEx.cs

@@ -0,0 +1,26 @@
+// Copyright (c) Microsoft. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+
+using Microsoft.Win32.SafeHandles;
+using System;
+using System.Runtime.InteropServices;
+
+internal partial class Interop
+{
+    internal partial class mincore
+    {
+        // Note: RegCreateKeyEx won't set the last error on failure - it returns
+        // an error code if it fails.
+        [DllImport(Libraries.REGISTRY_L1_APISET, CharSet = CharSet.Unicode, BestFitMapping = false, EntryPoint = "RegCreateKeyExW")]
+        internal static extern int RegCreateKeyEx(
+            SafeRegistryHandle hKey,
+            String lpSubKey,
+            int Reserved,
+            String lpClass,
+            int dwOptions,
+            int samDesired,
+            ref SECURITY_ATTRIBUTES secAttrs,
+            out SafeRegistryHandle hkResult,
+            out int lpdwDisposition);
+    }
+}

src/Common/src/Interop/Windows/mincore/Interop.RegDeleteKeyEx.cs

@@ -0,0 +1,15 @@
+// Copyright (c) Microsoft. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+
+using Microsoft.Win32.SafeHandles;
+using System;
+using System.Runtime.InteropServices;
+
+internal partial class Interop
+{
+    internal partial class mincore
+    {
+        [DllImport(Libraries.REGISTRY_L1_APISET, CharSet = CharSet.Unicode, BestFitMapping = false, EntryPoint = "RegDeleteKeyExW")]
+        internal static extern int RegDeleteKeyEx(SafeRegistryHandle hKey, String lpSubKey, int samDesired, int Reserved);
+    }
+}

src/Common/src/Interop/Windows/mincore/Interop.RegDeleteValue.cs

@@ -0,0 +1,15 @@
+// Copyright (c) Microsoft. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+
+using Microsoft.Win32.SafeHandles;
+using System;
+using System.Runtime.InteropServices;
+
+internal partial class Interop
+{
+    internal partial class mincore
+    {
+        [DllImport(Libraries.REGISTRY_L1_APISET, CharSet = CharSet.Unicode, BestFitMapping = false, EntryPoint = "RegDeleteValueW")]
+        internal static extern int RegDeleteValue(SafeRegistryHandle hKey, String lpValueName);
+    }
+}

src/Common/src/Interop/Windows/mincore/Interop.RegEnumKeyEx.cs

@@ -0,0 +1,24 @@
+// Copyright (c) Microsoft. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+
+using Microsoft.Win32.SafeHandles;
+using System;
+using System.Runtime.InteropServices;
+using System.Text;
+
+internal partial class Interop
+{
+    internal partial class mincore
+    {
+        [DllImport(Libraries.REGISTRY_L1_APISET, CharSet = CharSet.Unicode, BestFitMapping = false, EntryPoint = "RegEnumKeyExW")]
+        internal unsafe static extern int RegEnumKeyEx(
+            SafeRegistryHandle hKey,
+            int dwIndex,
+            char* lpName,
+            ref int lpcbName,
+            int[] lpReserved,
+            [Out]StringBuilder lpClass,
+            int[] lpcbClass,
+            long[] lpftLastWriteTime);
+    }
+}

src/Common/src/Interop/Windows/mincore/Interop.RegEnumValue.cs

@@ -0,0 +1,23 @@
+// Copyright (c) Microsoft. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+
+using Microsoft.Win32.SafeHandles;
+using System;
+using System.Runtime.InteropServices;
+
+internal partial class Interop
+{
+    internal partial class mincore
+    {
+        [DllImport(Libraries.REGISTRY_L1_APISET, CharSet = CharSet.Unicode, BestFitMapping = false, EntryPoint = "RegEnumValueW")]
+        internal unsafe static extern int RegEnumValue(
+            SafeRegistryHandle hKey,
+            int dwIndex,
+            char* lpValueName,
+            ref int lpcbValueName,
+            IntPtr lpReserved_MustBeZero,
+            int[] lpType,
+            byte[] lpData,
+            int[] lpcbData);
+    }
+}