partial class Examples
{
  // The following example code demonstrates how to modify advanced display settings using
  // the Rhino SDK. In this example, a display mode's mesh wireframe thickness (in pixels)
  // will be modified.
  public static Rhino.Commands.Result AdvancedDisplay(Rhino.RhinoDoc doc)
  {
    // Use the display attributes manager to build a list of display modes.
    // Note, these are copies of the originals...
    DisplayModeDescription[] display_modes = DisplayModeDescription.GetDisplayModes();
    if( display_modes==null || display_modes.Length<1 )
      return Rhino.Commands.Result.Failure;

    // Construct an options picker so the user can pick which
    // display mode they want modified
    Rhino.Input.Custom.GetOption go = new Rhino.Input.Custom.GetOption();
    go.SetCommandPrompt("Display mode to modify mesh thickness");
    List<int> opt_list = new List<int>();

    for( int i=0; i<display_modes.Length; i++ )
    {
      string english_name = display_modes[i].EnglishName;
      english_name = english_name.Replace("_", "");
      english_name = english_name.Replace(" ", "");
      english_name = english_name.Replace("-", "");
      english_name = english_name.Replace(",", "");
      english_name = english_name.Replace(".", "");
      int index = go.AddOption(english_name);
      opt_list.Add(index);
    }

    // Get the command option
    go.Get();
    if( go.CommandResult() != Rhino.Commands.Result.Success )
      return go.CommandResult();

    int selected_index = go.Option().Index;
    DisplayModeDescription selected_description = null;
    for( int i=0; i<opt_list.Count; i++ )
    {
      if( opt_list[i]==selected_index )
      {
        selected_description = display_modes[i];
        break;
      }
    }

    // Validate...
    if( selected_description==null )
      return Rhino.Commands.Result.Failure;

    // Modify the desired display mode. In this case, we
    // will just set the mesh wireframe thickness to zero.
    selected_description.DisplayAttributes.MeshSpecificAttributes.MeshWireThickness = 0;
    // Use the display attributes manager to update the display mode.
    DisplayModeDescription.UpdateDisplayMode(selected_description);

    // Force the document to regenerate.
    doc.Views.Redraw();
    return Rhino.Commands.Result.Success;
  }
}

Partial Friend Class Examples
  ' The following example code demonstrates how to modify advanced display settings using
  ' the Rhino SDK. In this example, a display mode's mesh wireframe thickness (in pixels)
  ' will be modified.
  Public Shared Function AdvancedDisplay(ByVal doc As Rhino.RhinoDoc) As Rhino.Commands.Result
	' Use the display attributes manager to build a list of display modes.
	' Note, these are copies of the originals...
	Dim display_modes() As DisplayModeDescription = DisplayModeDescription.GetDisplayModes()
	If display_modes Is Nothing OrElse display_modes.Length<1 Then
	  Return Rhino.Commands.Result.Failure
	End If

	' Construct an options picker so the user can pick which
	' display mode they want modified
	Dim go As New Rhino.Input.Custom.GetOption()
	go.SetCommandPrompt("Display mode to modify mesh thickness")
	Dim opt_list As New List(Of Integer)()

	For i As Integer = 0 To display_modes.Length - 1
	  Dim english_name As String = display_modes(i).EnglishName
	  english_name = english_name.Replace("_", "")
	  english_name = english_name.Replace(" ", "")
	  english_name = english_name.Replace("-", "")
	  english_name = english_name.Replace(",", "")
	  english_name = english_name.Replace(".", "")
	  Dim index As Integer = go.AddOption(english_name)
	  opt_list.Add(index)
	Next i

	' Get the command option
	go.Get()
	If go.CommandResult() <> Rhino.Commands.Result.Success Then
	  Return go.CommandResult()
	End If

	Dim selected_index As Integer = go.Option().Index
	Dim selected_description As DisplayModeDescription = Nothing
	For i As Integer = 0 To opt_list.Count - 1
	  If opt_list(i)=selected_index Then
		selected_description = display_modes(i)
		Exit For
	  End If
	Next i

	' Validate...
	If selected_description Is Nothing Then
	  Return Rhino.Commands.Result.Failure
	End If

	' Modify the desired display mode. In this case, we
	' will just set the mesh wireframe thickness to zero.
	selected_description.DisplayAttributes.MeshSpecificAttributes.MeshWireThickness = 0
	' Use the display attributes manager to update the display mode.
	DisplayModeDescription.UpdateDisplayMode(selected_description)

	' Force the document to regenerate.
	doc.Views.Redraw()
	Return Rhino.Commands.Result.Success
  End Function
End Class

import Rhino
import scriptcontext

# The following example demonstrates how to modify advanced display settings
# using RhinoCommon. In this example, a display mode's mesh wireframe thickness
# (in pixels) will be modified.
def AdvancedDisplay():
    # Use the display attributes manager to build a list of display modes.
    # Note, these are copies of the originals...
    display_modes = Rhino.Display.DisplayModeDescription.GetDisplayModes()
    if not display_modes: return Rhino.Commands.Result.Failure

    # Construct an options picker so the user can pick which
    # display mode they want modified
    go = Rhino.Input.Custom.GetOption()
    go.SetCommandPrompt("Display mode to modify mesh thickness")
    opt_list = []
    for i, mode in enumerate(display_modes):
        english_name = mode.EnglishName
        english_name = english_name.translate(None, "_ -,.")
        opt_list.append( go.AddOption(english_name) )

    # Get the command option
    go.Get()
    if go.CommandResult()!=Rhino.Commands.Result.Success:
        return go.CommandResult();

    selected_index = go.Option().Index
    selected_description = None
    for i,option in enumerate(opt_list):
        if option==selected_index:
            selected_description = display_modes[i]
            break
    # Validate...
    if not selected_description: return Rhino.Commands.Result.Failure

    # Modify the desired display mode. In this case, we
    # will just set the mesh wireframe thickness to zero.
    selected_description.DisplayAttributes.MeshSpecificAttributes.MeshWireThickness = 0
    # Use the display attributes manager to update the display mode.
    Rhino.Display.DisplayModeDescription.UpdateDisplayMode(selected_description)
    # Force the document to regenerate.
    scriptcontext.doc.Views.Redraw()
    return Rhino.Commands.Result.Success

if __name__=="__main__":
    AdvancedDisplay()