Replace usage of out-of-support TFM compiler directives

src/coreclr/tools/Common/TypeSystem/Common/Utilities/LockFreeReaderHashtable.cs

@@ -367,7 +367,7 @@ public TValue AddOrGetExisting(TValue value)
 
         private TValue AddOrGetExistingInner(TValue value, out bool addedValue)
         {
-#if NET5_0_OR_GREATER
+#if NET
             ArgumentNullException.ThrowIfNull(value);
 #else
             if (value == null)
@@ -596,7 +596,7 @@ public bool Contains(TKey key)
         /// <returns>Value from the hashtable if found, otherwise null.</returns>
         public TValue GetValueIfExists(TValue value)
         {
-#if NET5_0_OR_GREATER
+#if NET
             ArgumentNullException.ThrowIfNull(value);
 #else
             if (value == null)

src/libraries/Common/src/Interop/Interop.Ldap.cs

@@ -4,7 +4,7 @@
 using System.Diagnostics;
 using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
-#if NET7_0_OR_GREATER
+#if NET
 using System.Runtime.InteropServices.Marshalling;
 #endif
 using System.Security.Authentication;
@@ -31,7 +31,7 @@ namespace System.DirectoryServices.Protocols
         public int HighPart => _highPart;
     }
 
-#if NET7_0_OR_GREATER
+#if NET
     [NativeMarshalling(typeof(Marshaller))]
 #endif
     [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
@@ -49,7 +49,7 @@ internal struct SEC_WINNT_AUTH_IDENTITY_EX
         public string packageList;
         public int packageListLength;
 
-#if NET7_0_OR_GREATER
+#if NET
         [CustomMarshaller(typeof(SEC_WINNT_AUTH_IDENTITY_EX), MarshalMode.ManagedToUnmanagedIn, typeof(Marshaller))]
         internal static class Marshaller
         {
@@ -176,7 +176,7 @@ internal struct LDAP_TIMEVAL
         public int tv_usec;
     }
 
-#if NET7_0_OR_GREATER
+#if NET
     [NativeMarshalling(typeof(PinningMarshaller))]
 #endif
     [StructLayout(LayoutKind.Sequential)]
@@ -185,7 +185,7 @@ internal sealed class BerVal
         public int bv_len;
         public IntPtr bv_val = IntPtr.Zero;
 
-#if NET7_0_OR_GREATER
+#if NET
         [CustomMarshaller(typeof(BerVal), MarshalMode.ManagedToUnmanagedIn, typeof(PinningMarshaller))]
         internal static unsafe class PinningMarshaller
         {
@@ -207,7 +207,7 @@ internal sealed class LdapControl
         public LdapControl() { }
     }
 
-#if NET7_0_OR_GREATER
+#if NET
     [NativeMarshalling(typeof(Marshaller))]
 #endif
     [StructLayout(LayoutKind.Sequential)]
@@ -217,7 +217,7 @@ internal struct LdapReferralCallback
         public QUERYFORCONNECTIONInternal query;
         public NOTIFYOFNEWCONNECTIONInternal notify;
         public DEREFERENCECONNECTIONInternal dereference;
-#if NET7_0_OR_GREATER
+#if NET
         public static readonly unsafe int Size = sizeof(Marshaller.MarshalValue.Native);
 
         [CustomMarshaller(typeof(LdapReferralCallback), MarshalMode.ManagedToUnmanagedIn, typeof(MarshalValue))]

src/libraries/Common/src/Interop/Interop.Odbc.cs

@@ -5,7 +5,7 @@
 using System.Data.Odbc;
 using System.Runtime.ConstrainedExecution;
 using System.Runtime.InteropServices;
-#if NET7_0_OR_GREATER
+#if NET
 using System.Runtime.InteropServices.Marshalling;
 #endif
 using System.Runtime.Versioning;
@@ -38,7 +38,7 @@ internal static partial class Odbc
             /*SQLUSMALLINT*/ushort ColumnNumber,
             /*SQLSMALLINT*/ODBC32.SQL_C TargetType,
             /*SQLPOINTER*/
-#if NET7_0_OR_GREATER
+#if NET
             [MarshalUsing(typeof(HandleRefMarshaller))]
 #endif
             HandleRef TargetValue,
@@ -64,13 +64,13 @@ internal static partial class Odbc
             /*SQLULEN*/IntPtr cbColDef,
             /*SQLSMALLINT*/IntPtr ibScale,
             /*SQLPOINTER*/
-#if NET7_0_OR_GREATER
+#if NET
             [MarshalUsing(typeof(HandleRefMarshaller))]
 #endif
             HandleRef rgbValue,
             /*SQLLEN*/IntPtr BufferLength,
             /*SQLLEN* */
-#if NET7_0_OR_GREATER
+#if NET
             [MarshalUsing(typeof(HandleRefMarshaller))]
 #endif
             HandleRef StrLen_or_Ind);
@@ -326,7 +326,7 @@ internal static partial class Odbc
             /*SQLSMALLINT*/short ColumnNumber,
             /*SQLSMALLINT*/ODBC32.SQL_DESC FieldIdentifier,
             /*SQLPOINTER*/
-#if NET7_0_OR_GREATER
+#if NET
             [MarshalUsing(typeof(HandleRefMarshaller))]
 #endif
             HandleRef CharacterAttribute,

src/libraries/Common/src/Interop/Windows/CryptUI/Interop.CryptUIDlgCertificate.cs

@@ -4,7 +4,7 @@
 using System;
 using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
-#if NET7_0_OR_GREATER
+#if NET
 using System.Runtime.InteropServices.Marshalling;
 #endif
 using Microsoft.Win32.SafeHandles;
@@ -13,7 +13,7 @@ internal static partial class Interop
 {
     internal static partial class CryptUI
     {
-#if NET7_0_OR_GREATER
+#if NET
         [NativeMarshalling(typeof(Marshaller))]
 #else
         [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
@@ -39,7 +39,7 @@ internal struct CRYPTUI_VIEWCERTIFICATE_STRUCTW
             internal IntPtr rgPropSheetPages;
             internal uint nStartPage;
 
-#if NET7_0_OR_GREATER
+#if NET
             [CustomMarshaller(typeof(CRYPTUI_VIEWCERTIFICATE_STRUCTW), MarshalMode.Default, typeof(Marshaller))]
             public static class Marshaller
             {
@@ -127,7 +127,7 @@ public CRYPTUI_VIEWCERTIFICATE_STRUCTW ToManaged()
 #endif
         }
 
-#if NET7_0_OR_GREATER
+#if NET
         [NativeMarshalling(typeof(Marshaller))]
 #else
         [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
@@ -151,7 +151,7 @@ internal struct CRYPTUI_SELECTCERTIFICATE_STRUCTW
             internal IntPtr rgPropSheetPages;
             internal IntPtr hSelectedCertStore;
 
-#if NET7_0_OR_GREATER
+#if NET
             [CustomMarshaller(typeof(CRYPTUI_SELECTCERTIFICATE_STRUCTW), MarshalMode.Default, typeof(Marshaller))]
             public static class Marshaller
             {

src/libraries/Common/src/Interop/Windows/Gdi32/Interop.AbortDoc.cs

@@ -2,7 +2,7 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 
 using System.Runtime.InteropServices;
-#if NET7_0_OR_GREATER
+#if NET
 using System.Runtime.InteropServices.Marshalling;
 #endif
 
@@ -12,7 +12,7 @@ internal static partial class Gdi32
     {
         [LibraryImport(Libraries.Gdi32, SetLastError = true)]
         internal static partial int AbortDoc(
-#if NET7_0_OR_GREATER
+#if NET
             [MarshalUsing(typeof(HandleRefMarshaller))]
 #endif
             HandleRef hDC);

src/libraries/Common/src/Interop/Windows/Gdi32/Interop.CreateCompatibleBitmap.cs

@@ -3,7 +3,7 @@
 
 using System;
 using System.Runtime.InteropServices;
-#if NET7_0_OR_GREATER
+#if NET
 using System.Runtime.InteropServices.Marshalling;
 #endif
 
@@ -13,7 +13,7 @@ internal static partial class Gdi32
     {
         [LibraryImport(Libraries.Gdi32, SetLastError = true)]
         internal static partial IntPtr CreateCompatibleBitmap(
-#if NET7_0_OR_GREATER
+#if NET
             [MarshalUsing(typeof(HandleRefMarshaller))]
 #endif
             HandleRef hDC, int width, int height);

src/libraries/Common/src/Interop/Windows/Gdi32/Interop.CreateDIBSection.cs

@@ -3,7 +3,7 @@
 
 using System;
 using System.Runtime.InteropServices;
-#if NET7_0_OR_GREATER
+#if NET
 using System.Runtime.InteropServices.Marshalling;
 #endif
 
@@ -13,7 +13,7 @@ internal static partial class Gdi32
     {
         [LibraryImport(Libraries.Gdi32, SetLastError = true)]
         internal static partial IntPtr CreateDIBSection(
-#if NET7_0_OR_GREATER
+#if NET
             [MarshalUsing(typeof(HandleRefMarshaller))]
 #endif
             HandleRef hdc, ref BITMAPINFO_FLAT bmi, int iUsage, ref IntPtr ppvBits, IntPtr hSection, int dwOffset);

src/libraries/Common/src/Interop/Windows/Gdi32/Interop.DEVMODE.cs

@@ -3,7 +3,7 @@
 
 using System;
 using System.Runtime.InteropServices;
-#if NET7_0_OR_GREATER
+#if NET
 using System.Runtime.InteropServices.Marshalling;
 #endif
 

src/libraries/Common/src/Interop/Windows/Gdi32/Interop.EndDoc.cs

@@ -2,7 +2,7 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 
 using System.Runtime.InteropServices;
-#if NET7_0_OR_GREATER
+#if NET
 using System.Runtime.InteropServices.Marshalling;
 #endif
 
@@ -12,7 +12,7 @@ internal static partial class Gdi32
     {
         [LibraryImport(Libraries.Gdi32, SetLastError = true)]
         internal static partial int EndDoc(
-#if NET7_0_OR_GREATER
+#if NET
             [MarshalUsing(typeof(HandleRefMarshaller))]
 #endif
             HandleRef hDC);

src/libraries/Common/src/Interop/Windows/Gdi32/Interop.EndPage.cs

@@ -2,7 +2,7 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 
 using System.Runtime.InteropServices;
-#if NET7_0_OR_GREATER
+#if NET
 using System.Runtime.InteropServices.Marshalling;
 #endif
 
@@ -12,7 +12,7 @@ internal static partial class Gdi32
     {
         [LibraryImport(Libraries.Gdi32, SetLastError = true)]
         internal static partial int EndPage(
-#if NET7_0_OR_GREATER
+#if NET
             [MarshalUsing(typeof(HandleRefMarshaller))]
 #endif
             HandleRef hDC);

src/libraries/Common/src/Interop/Windows/Gdi32/Interop.ExtEscape.cs

@@ -2,7 +2,7 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 
 using System.Runtime.InteropServices;
-#if NET7_0_OR_GREATER
+#if NET
 using System.Runtime.InteropServices.Marshalling;
 #endif
 
@@ -16,14 +16,14 @@ internal static partial class Gdi32
 
         [LibraryImport(Libraries.Gdi32, SetLastError = true)]
         internal static partial int ExtEscape(
-#if NET7_0_OR_GREATER
+#if NET
             [MarshalUsing(typeof(HandleRefMarshaller))]
 #endif
             HandleRef hDC, int nEscape, int cbInput, ref int inData, int cbOutput, out int outData);
 
         [LibraryImport(Libraries.Gdi32, SetLastError = true)]
         internal static partial int ExtEscape(
-#if NET7_0_OR_GREATER
+#if NET
             [MarshalUsing(typeof(HandleRefMarshaller))]
 #endif
             HandleRef hDC, int nEscape, int cbInput, byte[] inData, int cbOutput, out int outData);

src/libraries/Common/src/Interop/Windows/Gdi32/Interop.GetDIBits.cs

@@ -3,7 +3,7 @@
 
 using System;
 using System.Runtime.InteropServices;
-#if NET7_0_OR_GREATER
+#if NET
 using System.Runtime.InteropServices.Marshalling;
 #endif
 
@@ -13,11 +13,11 @@ internal static partial class Gdi32
     {
         [LibraryImport(Libraries.Gdi32)]
         internal static partial int GetDIBits(
-#if NET7_0_OR_GREATER
+#if NET
             [MarshalUsing(typeof(HandleRefMarshaller))]
 #endif
             HandleRef hdc,
-#if NET7_0_OR_GREATER
+#if NET
             [MarshalUsing(typeof(HandleRefMarshaller))]
 #endif
             HandleRef hbm, int arg1, int arg2, IntPtr arg3, ref BITMAPINFO_FLAT bmi, int arg5);

src/libraries/Common/src/Interop/Windows/Gdi32/Interop.GetObject.cs

@@ -3,7 +3,7 @@
 
 using System;
 using System.Runtime.InteropServices;
-#if NET7_0_OR_GREATER
+#if NET
 using System.Runtime.InteropServices.Marshalling;
 #endif
 
@@ -13,20 +13,20 @@ internal static partial class Gdi32
     {
         [LibraryImport(Libraries.Gdi32, EntryPoint = "GetObjectW", SetLastError = true)]
         internal static partial int GetObject(
-#if NET7_0_OR_GREATER
+#if NET
             [MarshalUsing(typeof(HandleRefMarshaller))]
 #endif
             HandleRef hObject, int nSize, ref BITMAP bm);
 
         [LibraryImport(Libraries.Gdi32, EntryPoint = "GetObjectW", SetLastError = true, StringMarshalling = StringMarshalling.Utf16)]
         internal static partial int GetObject(
-#if NET7_0_OR_GREATER
+#if NET
             [MarshalUsing(typeof(HandleRefMarshaller))]
 #endif
             HandleRef hObject, int nSize, ref Interop.User32.LOGFONT lf);
 
         internal static unsafe int GetObject(
-#if NET7_0_OR_GREATER
+#if NET
             [MarshalUsing(typeof(HandleRefMarshaller))]
 #endif
             HandleRef hObject, ref Interop.User32.LOGFONT lp)

src/libraries/Common/src/Interop/Windows/Gdi32/Interop.GetPaletteEntries.cs

@@ -2,7 +2,7 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 
 using System.Runtime.InteropServices;
-#if NET7_0_OR_GREATER
+#if NET
 using System.Runtime.InteropServices.Marshalling;
 #endif
 
@@ -12,7 +12,7 @@ internal static partial class Gdi32
     {
         [LibraryImport(Libraries.Gdi32)]
         internal static partial uint GetPaletteEntries(
-#if NET7_0_OR_GREATER
+#if NET
             [MarshalUsing(typeof(HandleRefMarshaller))]
 #endif
             HandleRef hpal, int iStartIndex, int nEntries, byte[] lppe);

src/libraries/Common/src/Interop/Windows/Gdi32/Interop.IntersectClipRect.cs

@@ -3,7 +3,7 @@
 
 using System;
 using System.Runtime.InteropServices;
-#if NET7_0_OR_GREATER
+#if NET
 using System.Runtime.InteropServices.Marshalling;
 #endif
 
@@ -13,7 +13,7 @@ internal static partial class Gdi32
     {
         [LibraryImport(Libraries.Gdi32, SetLastError = true)]
         internal static partial int IntersectClipRect(
-#if NET7_0_OR_GREATER
+#if NET
             [MarshalUsing(typeof(HandleRefMarshaller))]
 #endif
             HandleRef hDC, int x1, int y1, int x2, int y2);