Problems with TextAttr

To create a Syntax Highlight Editor i need TextCtrl.SetStyle but i get
Exceptions with TextAttr class. I already tryed (wxWidgets 2.4\wx.NET
0.5), (wxWidgets 2.4\wx.NET 0.6) and (wxWidgets 2.5\wx.NET 0.6) but can`t
get it run. OS: Gentoo Linux - Mono: 1.0.4

---

wx.TextAttr ta = new wx.TextAttr(wx.Colour.wxBLUE);
Gives me the following exception stack:
** (Editor.exe:24485): WARNING **: Missing method .ctor in assembly
Editor.exe typeref index 45

Unhandled Exception: System.NullReferenceException: Object reference not
set toan instance of an object
in (unmanaged) EditorFrame:OnNew (object,wx.Event)
in <0x00095> EditorFrame:OnNew (object,wx.Event)
in <0x00069> (wrapper delegate-invoke)
System.MulticastDelegate:invoke_void_object_Event (object,wx.Event)
in <0x0038c> wx.EvtHandler:MarshalEvent (intptr,int)
in <0x0006f> (wrapper native-to-managed) wx.EvtHandler:MarshalEvent
(intptr,int)

---

wx.TextAttr ta = new wx.TextAttr();
Gives me the following exception stack:
Unhandled Exception: System.NullReferenceException: Object reference not
set toan instance of an object
in (unmanaged) (wrapper managed-to-native) wx.TextAttr:wxTextAttr_ctor
(intptr,intptr,intptr)
in <0x00004> (wrapper managed-to-native) wx.TextAttr:wxTextAttr_ctor
(intptr,intptr,intptr)
in <0x00056> wx.TextAttr:.ctor (wx.Colour,wx.Colour,wx.Font)
in <0x00019> wx.TextAttr:.ctor ()
in <0x00320> ScriptEditor:.ctor
(string,System.Drawing.Point,System.Drawing.Size)
in <0x00094> EditorFrame:OnNew (object,wx.Event)
in <0x00069> (wrapper delegate-invoke)
System.MulticastDelegate:invoke_void_object_Event (object,wx.Event)
in <0x0038c> wx.EvtHandler:MarshalEvent (intptr,int)
in <0x0006f> (wrapper native-to-managed) wx.EvtHandler:MarshalEvent
(intptr,int)


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