How do I import the System.Drawing class into an SSIS VB.NET script?

I am trying to reference an image file in a VB.net script component to get the height and width of a set of images. When I type in Imports System. ';drawing'; is not an option. I think i might have to import from the .net framework, but I am pretty lost. Help?How do I import the System.Drawing class into an SSIS VB.NET script?
Click on Projects,

Click Add References

under the .NET tab scroll down to System.drawing and select it. Press Add.

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