Cannot find Bitmap Class in Class Library (.NET Standard)

Question

I want to make a Class Library (.NET Standard) and I\'m using System.Drawing, but I get the error:

CS0246 C# The type or namespace name \'Bitmap\' could         


        

Answer 1

Update

As of last month (May 2018), Microsoft have a production release (previously it was preview/RC) of System.Drawing.Common, a NuGet package which supersedes both versions of the CoreCompat.System.Drawing package. This should be used going forwards.

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For now you can use the CoreCompat.System.Drawing nuget package.

We've been using it in production code for a few months (drawing on video screencaps) and it has been working great. It's basically a slot-in replacement for System.Drawing.

Answer 2

I'm the author of CoreCompat.System.Drawing. If you're on .NET Core 2.0, I'd recommend you'd move to System.Drawing.Common instead, which is the Microsoft-maintained implementation of System.Drawing for .NET Core.

If you're on Linux or macOS, make sure to install libgdiplus. On macOS, run brew install mono-libgdiplus; on Linux your package manager should provide you with a libgdiplus package.