Add .NET 6

Author: OgreTransporter

PdfFileWriter/PdfDocument.cs

@@ -1392,10 +1392,17 @@ int Length
 				)
 			{
 			byte[] ByteArray = new byte[Length];
-			using(RNGCryptoServiceProvider RandNumGen = new RNGCryptoServiceProvider())
+#if NET6_0_OR_GREATER
+			using (RandomNumberGenerator RandNumGen = RandomNumberGenerator.Create())
 				{
 				RandNumGen.GetBytes(ByteArray);
 				}
+#else
+			using (RNGCryptoServiceProvider RandNumGen = new RNGCryptoServiceProvider())
+				{
+				RandNumGen.GetBytes(ByteArray);
+				}
+#endif
 			return ByteArray;
 			}
 

PdfFileWriter/PdfEncryption.cs

@@ -121,7 +121,11 @@ public class PdfEncryption : PdfObject, IDisposable
 		internal EncryptionType EncryptionType;
 		internal byte[] MasterKey;
 		internal MD5 MD5 = MD5.Create();
+#if NET6_0_OR_GREATER
+		internal Aes AES = Aes.Create();
+#else
 		internal AesCryptoServiceProvider AES = new AesCryptoServiceProvider();
+#endif
 
 		private static readonly byte[] PasswordPad =
 			{

PdfFileWriter/PdfFileWriter.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.WindowsDesktop">
 
 	<PropertyGroup>
-		<TargetFrameworks>net472;netcoreapp3.1;net5.0-windows</TargetFrameworks>
+		<TargetFrameworks>net472;netcoreapp3.1;net5.0-windows;net6.0-windows</TargetFrameworks>
 		<AssemblyProduct>PdfFileWriter</AssemblyProduct>
 		<AssemblyName>PdfFileWriter</AssemblyName>
 		<AssemblyVersion>1.28.0</AssemblyVersion>
@@ -23,20 +23,10 @@
 		<UseWindowsForms>true</UseWindowsForms>
 	</PropertyGroup>
 
-	<PropertyGroup Condition="'$(TargetFramework)' == 'net472' Or '$(TargetFramework)' == 'net48'">
-		<DefineConstants>$(DefineConstants);NET4</DefineConstants>
-	</PropertyGroup>
-	<PropertyGroup Condition="'$(TargetFramework)' == 'netcoreapp3.1'">
-		<DefineConstants>$(DefineConstants);NETCORE</DefineConstants>
-	</PropertyGroup>
-	<PropertyGroup Condition="'$(TargetFramework)' == 'net5.0-windows'">
-		<DefineConstants>$(DefineConstants);NET5</DefineConstants>
-	</PropertyGroup>
-
 	<ItemGroup Condition="'$(TargetFramework)' == 'net472' Or '$(TargetFramework)' == 'net48'">
 		<Reference Include="System.Windows.Forms.DataVisualization" />
 	</ItemGroup>
-	<ItemGroup Condition="'$(TargetFramework)' == 'netcoreapp3.1' Or '$(TargetFramework)' == 'net5.0-windows'">
+	<ItemGroup Condition="'$(TargetFramework)' == 'netcoreapp3.1' Or '$(TargetFramework)' == 'net5.0-windows' Or '$(TargetFramework)' == 'net6.0-windows'">
 		<PackageReference Include="System.Windows.Forms.DataVisualization" Version="1.0.0-prerelease.20110.1" />
 	</ItemGroup>
 

Samples/TestPdfFileWriter.csproj

@@ -2,7 +2,7 @@
 
 	<PropertyGroup>
 		<OutputType>WinExe</OutputType>
-		<TargetFrameworks>net472;netcoreapp3.1;net5.0-windows</TargetFrameworks>
+		<TargetFrameworks>net472;netcoreapp3.1;net5.0-windows;net6.0-windows</TargetFrameworks>
 		<AssemblyTitle>TestPdfFileWriter</AssemblyTitle>
 		<AssemblyName>TestPdfFileWriter</AssemblyName>
 		<AssemblyVersion>1.28.0</AssemblyVersion>
@@ -26,7 +26,7 @@
 	<ItemGroup Condition="'$(TargetFramework)' == 'net472' Or '$(TargetFramework)' == 'net48'">
 		<Reference Include="System.Windows.Forms.DataVisualization" />
 	</ItemGroup>
-	<ItemGroup Condition="'$(TargetFramework)' == 'netcoreapp3.1' Or '$(TargetFramework)' == 'net5.0-windows'">
+	<ItemGroup Condition="'$(TargetFramework)' == 'netcoreapp3.1' Or '$(TargetFramework)' == 'net5.0-windows' Or '$(TargetFramework)' == 'net6.0-windows'">
 		<PackageReference Include="System.Windows.Forms.DataVisualization" Version="1.0.0-prerelease.20110.1" />
 	</ItemGroup>