[vtkusers] Problem in the inherit ance of vtkCommand

[Alexander.Wang]

Hi Paul Tait and Drew,
 
Thank BOTH of you! And What you said does work.
I greatly appreciate your timely help.
 
Alex
 



-----原始邮件-----
发件人:"Paul Tait - OPES" 
发送时间:2006-06-06 08:09:45
收件人:"'Alexander.Wang'" ,"'vtkusers '" 
抄送:(无)
主题:RE: [vtkusers] Problem in the inheritance of vtkCommand




MFC is using DEBUG_NEW which has 3 arguments. Just use ::new (globla scope) and it will do what YOU want
 
Paul Tait


-----Original Message-----
From: vtkusers-bounces+paul=opes.com.au at vtk.org [mailto:vtkusers-bounces+paul=opes.com.au at vtk.org] On Behalf Of Alexander.Wang
Sent: Monday, 5 June 2006 10:29 AM
To: vtkusers 
Subject: [vtkusers] Problem in the inheritance of vtkCommand


 
Hi all,
 
I want to have some callback for the interaction. I defined a class vtkDicomObserver inherited from vtkCommand, but there is a problem in the method NEW. When compiling the code of this method, the compiler tell me: error C2660: 'new' : function does not take 3 parameters. The program is running under Windows XP and MSVC 6.0, as a SDI project. Can anyone give me some advice? Here is the reference code.
 
//Code Begin
class vtkDicomObserver : public vtkCommand
{
public:
 virtual char const * GetClassName() const
 {
  return "vtkDicomObserver";
 }
 static vtkDicomObserver * New()
 {
  return new vtkDicomObserver;
//error occurs when compiling this sentence
 }
 vtkDicomObserver()
 {
  this->ImageViewer=NULL;
  this->ImgRenderWindowInteractor=NULL;
 }
 virtual void Execute(vtkObject *, unsigned long event, void* )
 {
  if(this->ImageViewer)
  {
   ...
  }
 }
 vtkImageViewer * ImageViewer;
 vtkRenderWindowInteractor * ImgRenderWindowInteractor;
 CPoint Point;
};

//Code End
 
Thanks in advance!
 
Yours sincerely,
Alexander







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