net45 
namespace Microsoft.Build.BuildEngine
{
    public class InvalidToolsetDefinitionException : Exception
    {
        public string ErrorCode { get; }
    }
}
.NET Framework 3.54.04.54.5.14.5.24.64.6.14.6.24.74.7.14.7.24.84.8.1
Information specific to net45
Assembly

Microsoft.Build.Engine , Version=4.0.0.0, PublicKeyToken=b03f5f7f11d50a3a

Referencing

Your project needs an assembly reference to Microsoft.Build.Engine.

Platform Restrictions

This framework does not have platform annotations.

  • Built-in API
  • Package-provided API