title: Valid methods in being highlighted in red 'Unresolved Reference'
body: <p>How to solve this problem? The program works. But the methods in Gogland are highlighted in red. Qt version 5.8 is added.</p>
  
  <pre><code>Gogland (1.0 Preview) 1.0 EAP
  Build #GO-171.4694.61, built on June 27, 2017
  Gogland EAP User
  Expiration date: September 25, 2017
  JRE: 1.8.0_112-release-736-b21 amd64
  JVM: OpenJDK 64-Bit Server VM by JetBrains s.r.o
  Linux 4.8.0-58-generic
  
  
  batis@dev:~$ printenv | grep GO
  GOROOT=/usr/lib/go-1.8/
  GOPATH=/home/batis/gocode/
  
  package main
  
  import (
      "os"
      "github.com/therecipe/qt/widgets"
  )
  
  func main() {
      widgets.NewQApplication(len(os.Args), os.Args)
  
      //create a window
      window := widgets.NewQMainWindow(nil, 0)
  
      ......
  
      widgets.QApplication_Exec()
  }
  </code></pre>
  
  <p><a href="https://i.stack.imgur.com/Z8jd1.png" rel="noreferrer"><img src="https://i.stack.imgur.com/Z8jd1.png" alt="Some image"></a></p>
  
  <p><a href="https://i.stack.imgur.com/rrAkA.png" rel="noreferrer"><img src="https://i.stack.imgur.com/rrAkA.png" alt="GOPATH"></a></p>
  
  <p><a href="https://i.stack.imgur.com/Crf4d.png" rel="noreferrer"><img src="https://i.stack.imgur.com/Crf4d.png" alt="Some image"></a></p>
  
  <p><a href="https://i.stack.imgur.com/nmbsp.png" rel="noreferrer"><img src="https://i.stack.imgur.com/nmbsp.png" alt="Test run OK!"></a></p>