function M40()
inst = mc.mcGetInstance();
    -- create the wxFrame window
    mainframe = wx.wxFrame( wx.NULL,          -- no parent
                        wx.wxID_ANY,          -- whatever for wxWindow ID
                        "DummyFrame", -- frame caption
                        wx.wxDefaultPosition, -- place the frame in default position
                        wx.wxDefaultSize,     -- default frame size
                        wx.wxDEFAULT_FRAME_STYLE ) -- use default frame styles

    -- create a panel in the frame
    panel = wx.wxPanel(mainframe, wx.wxID_ANY)--We are not going to show it but we need to have this to use the File dialog

local file = wx.wxFileDialog(panel, "Select Probe File", "", "", "Text files (*.txt)|*.txt|Tap files (*.tap)|*.tap", 
                             wx.wxFD_SAVE,wx.wxDefaultPosition,wx.wxDefaultSize, "File Dialog" );
        if(file:ShowModal() == wx.wxID_OK)then
            local path = file:GetPath()   
			--wx.wxMessageBox(tostring(path))
			--[[
			Set the output of the probe points with the format String
			Example:
			X%.3AXIS_X
			will output X<xprobevalue> 
			]]--
			mc.mcCntlProbeFileOpen(inst, path, "X%.4AXIS_X Y%.4AXIS_Y Z%.4AXIS_Z \r\n", true);
        end 

end

if (mc.mcInEditor() == 1) then
    M40()
end