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  1. Imports System
  2.  
  3. Public Class Test
  4. 	Public Shared Sub Main()
  5. 		MsgBox("Hello, World!")
  6. 	End Sub
  7. End Class
Runtime error #stdin #stdout #stderr 0.34s 41856KB
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Standard input is empty
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Standard output is empty
stderr
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Unhandled Exception: System.TypeInitializationException: An exception was thrown by the type initializer for System.Windows.Forms.WindowsFormsSynchronizationContext ---> System.TypeInitializationException: An exception was thrown by the type initializer for System.Windows.Forms.XplatUI ---> System.ArgumentNullException: Could not open display (X-Server required. Check you DISPLAY environment variable)
Parameter name: Display
  at System.Windows.Forms.XplatUIX11.SetDisplay (IntPtr display_handle) [0x00000] 
  at System.Windows.Forms.XplatUIX11..ctor () [0x00000] 
  at System.Windows.Forms.XplatUIX11.GetInstance () [0x00000] 
  at System.Windows.Forms.XplatUI..cctor () [0x00000] 
  --- End of inner exception stack trace ---
  at System.Windows.Forms.Theme.get_MenuAccessKeysUnderlined () [0x00000] 
  at System.Windows.Forms.SystemInformation.get_MenuAccessKeysUnderlined () [0x00000] 
  at System.Windows.Forms.Control..ctor () [0x00000] 
  at (wrapper remoting-invoke-with-check) System.Windows.Forms.Control:.ctor ()
  at System.Windows.Forms.WindowsFormsSynchronizationContext..cctor () [0x00000] 
  --- End of inner exception stack trace ---
  at System.Windows.Forms.Control..ctor () [0x00000] 
  at System.Windows.Forms.ScrollableControl..ctor () [0x00000] 
  at System.Windows.Forms.ContainerControl..ctor () [0x00000] 
  at System.Windows.Forms.Form..ctor () [0x00000] 
  at System.Windows.Forms.MessageBox+MessageBoxForm..ctor (IWin32Window owner, System.String text, System.String caption, MessageBoxButtons buttons, MessageBoxIcon icon, Boolean displayHelpButton) [0x00000] 
  at System.Windows.Forms.MessageBox+MessageBoxForm..ctor (IWin32Window owner, System.String text, System.String caption, MessageBoxButtons buttons, MessageBoxIcon icon, MessageBoxDefaultButton defaultButton, MessageBoxOptions options, Boolean displayHelpButton) [0x00000] 
  at (wrapper remoting-invoke-with-check) System.Windows.Forms.MessageBox/MessageBoxForm:.ctor (System.Windows.Forms.IWin32Window,string,string,System.Windows.Forms.MessageBoxButtons,System.Windows.Forms.MessageBoxIcon,System.Windows.Forms.MessageBoxDefaultButton,System.Windows.Forms.MessageBoxOptions,bool)
  at System.Windows.Forms.MessageBox.Show (System.String text, System.String caption, MessageBoxButtons buttons, MessageBoxIcon icon, MessageBoxDefaultButton defaultButton, MessageBoxOptions options) [0x00000] 
  at Microsoft.VisualBasic.Interaction.MsgBox (System.Object Prompt, MsgBoxStyle Button, System.Object Title) [0x00000] 
  at Test.Main () [0x00000]
https://ideone.com/dTUsrR
language:
VB.NET (mono-3.10)
created:
9 years ago
visibility:
public

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