.NET Standard 2.0 does not need PlatformAbstractions (DNET-820, #76 from @dlichterman).

Author: cincuranet

Provider/nuget/FirebirdSql.Data.FirebirdClient/FirebirdSql.Data.FirebirdClient.nuspec

@@ -34,7 +34,6 @@
 				<dependency id="System.Threading.Thread" version="4.3.0" />
 			</group>
 			<group targetFramework="netstandard2.0">
-				<dependency id="Microsoft.Extensions.PlatformAbstractions" version="1.1.0" />
 				<dependency id="System.Reflection.Emit" version="4.3.0" />
 			</group>
 		</dependencies>

Provider/src/FirebirdSql.Data.FirebirdClient/FirebirdClient/FbConnectionInternal.cs

@@ -22,7 +22,7 @@
 using System.Diagnostics;
 using System.IO;
 using System.Reflection;
-#if NETSTANDARD1_6 || NETSTANDARD2_0
+#if NETSTANDARD1_6
 using Microsoft.Extensions.PlatformAbstractions;
 #endif
 using FirebirdSql.Data.Common;
@@ -467,8 +467,10 @@ private string GetProcessName()
 
 		private string GetHostingPath()
 		{
-#if NETSTANDARD1_6 || NETSTANDARD2_0
+#if NETSTANDARD1_6
 			return PlatformServices.Default.Application.ApplicationBasePath;
+#elif NETSTANDARD2_0
+			return System.AppContext.BaseDirectory;
 #else
 			Assembly assembly;
 			try

Provider/src/FirebirdSql.Data.FirebirdClient/FirebirdSql.Data.FirebirdClient.csproj

@@ -45,7 +45,6 @@
 	</ItemGroup>
 
 	<ItemGroup Condition="'$(TargetFramework)'=='netstandard2.0'">
-		<PackageReference Include="Microsoft.Extensions.PlatformAbstractions" Version="1.1.0" />
 		<PackageReference Include="System.Reflection.Emit" Version="4.3.0" />
 	</ItemGroup>
 </Project>