WM_INITDIALOG in ParamMap2UserDlgProc

[Anonymous]

What are the rules to disable ParamBlk2 items on a panel?
I did an EnableWindow() in WM_INITDIALOG but all ParamBlk2 controls are still active - in contrast all standard windows controls behave correct. Even when I can disable these controls later, every "repaint" of the dialog panel puts them to enable again?

class cPanel2DlgProc : public ParamMap2UserDlgProc 
{
public:
  HWND hWin;

  cPanel2DlgProc() {}

  INT_PTR DlgProc(TimeValue t, IParamMap2 *map, HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam) {
   switch (msg) 
   {
     case WM_INITDIALOG:
     {
       HWND h = GetDlgItem( hWnd, IDC_PBLK2ITEM );
       if (h)
         EnableWindow( h, false ); // <<< this one fails..
     }
     break;
   }
 }

  void DeleteThis() { }
};

[Anonymous]

I've put similar code to NotifyRefChanged() func. In my case, I have material type and some ui should be disabled for some types. So, when material type is changed ui can be disabled.
You can do same thing in CreateParamDlg()

  IParamMap2* pMap = PBlock->GetMap( YOUR_ROLLOUT );
  if( pMap ){
    HWND hWnd = pMap->GetHWnd();
    EnableWindow(GetDlgItem( hWnd, YOUR_CONTROL ), false);
  }

[Anonymous]

Hi Michael,
to be honest, I do not see any difference. The HWND is exactly the same.
The question is where all I have to add this code, as every refresh of the UI enables the dlg controls again.
Istan

[Anonymous]

That's strange, it shouldn't be enabled just be refreshing. May be you are doing something wrong in other place?

What kind of plug-in you making? Is it object? Material? Modifier?.. Do you use P_MULTIMAP for ParamBlock? What type of control you trying to disable?

For example, to disable 3dsmax custom control (such as buttons, spinners etc) you should take ICustom<Type>* and call Disable():

ICustButton* pICustBtn = GetICustButton(GetDlgItem(hWnd,IDC_CUSTOMBUTTON));
pICustBtn->Disable();
ReleaseICustButton( pICustBtn );

[Anonymous]

Solved!!! My general "Enable" function failed in getting the Cust control pointer properly.
Thanks!

[Anonymous]

You are welcome 🙂