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Posted 17 Feb 2002

3D Studio Max like Slidable DialogBar

, 17 Feb 2002
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Ever seen 3D Studio 2.5 Slidable DialogBar? Want to know how they did it?


Kinetix and Autodesk always impressed me with their great GUI. 3D Studio Max has a Slidable DialogBar that the user can slide up and down... Well here is how to do it yourself. It is probably one of the easiest code I ever had to show around and anybody with a little experience in VC++ / MFC will get it. (I actually posted it because I have never seen another programmer or company create a GUI similar to 3DS Max)

Here is the Magic Theory behind it

  1. Create any kind of CWnd derived class . That will be your TOP level Window (could be a CDialog / CDialogBar / CButton anything...)

    Lets say CDialogBarExt ....derived from CDialogBar.

  2. Create a CWnd derived Class that will contain the actual sliding dialog.

    Lets say CDlgContainer ....derived from CWnd

  3. Create a member variable for CDialogBarExt of type CDlgContainer.

  4. Create a CDialog derived class .

    Lets say CInnerDlg (this is the actual sliding dialog !!!)

  5. Create a member variable of type CInnerDlg for CDlgContainer....

So up till know we have CDialogBarExt--->CDlgContainer--->CInnerDlg ? ok? the Code for Sliding the dialog is below and should be entered in the


The easiest way to understand, is to look through the code it is very simple!!!

void CInnerDlg::OnLButtonUp(UINT nFlags, CPoint point) 
        m_bDragging = FALSE;
    CDialog::OnLButtonUp(nFlags, point);

void CInnerDlg::OnMouseMove(UINT nFlags, CPoint point) 

 int ydiff;

    if(m_bDragging && nFlags & MK_LBUTTON)
       CRect rcWnd;

       CRect prect;
       GetParent()->GetClientRect (prect);

       // IF WE HAVE TO GO DOWN OR UP // 
       if (m_ptDragFrom.y>point.y) {    
          ydiff = point.y - m_ptDragFrom.y;
       }// IF WE HAVE TO GO DOWN OR UP // 
       if (m_ptDragFrom.y<point.y) {    
          ydiff = m_ptDragFrom.y -point.y;

       int tmp=prect.Height ()-rcWnd.Height ();
       // CONSTRAINTS !
       if (posY<tmp+1) posY=tmp+1;
       if (posY>-1) posY=-1;

       // MOVE THE DIALOG 
        SetWindowPos(NULL, 3, 
                     rcWnd.Height(), SWP_SHOWWINDOW|SWP_NOSIZE);

    CDialog::OnMouseMove(nFlags, point);

void CInnerDlg::OnLButtonDown(UINT nFlags, CPoint point) 
   m_bDragging = TRUE;
   m_ptDragFrom = point;
   ::SetCursor(AfxGetApp()->LoadCursor (IDC_CURSOR_HAND));
   CDialog::OnLButtonDown(nFlags, point);


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About the Author

John Aspras
United States United States
No Biography provided

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Comments and Discussions

Generalyes but... legal issues Pin
Member 564686713-Nov-08 4:53
memberMember 564686713-Nov-08 4:53 
QuestionHow do I replace m_inner with a sheet Pin
akira3230-Oct-08 0:57
memberakira3230-Oct-08 0:57 
QuestionHelp to use the buttons on it Pin
master_pgl30-Oct-07 20:59
membermaster_pgl30-Oct-07 20:59 
GeneralGreat effort indeed (to author) Pin
RAD CPP30-Jul-06 1:34
memberRAD CPP30-Jul-06 1:34 
GeneralProblem CInnerDlg is not "inside" my Container Pin
peca200610-Jun-06 23:35
memberpeca200610-Jun-06 23:35 
Generalgreat job, can you helpl me to figure out this problem, thanks a lot Pin
nickong25-Jul-05 22:47
membernickong25-Jul-05 22:47 
QuestionHow to make a Dockable "TabPan" with this DialogBar just like 3DS MAX ? Pin
sgy2321-Dec-03 23:22
membersgy2321-Dec-03 23:22 
AnswerRe: How to make a Dockable &quot;TabPan&quot; with this DialogBar just like 3DS MAX ? Pin
imsniper15-Jan-04 3:36
memberimsniper15-Jan-04 3:36 
QuestionHow to map messages back to the main frame? Pin
Bubba214618-Jul-03 3:48
memberBubba214618-Jul-03 3:48 
AnswerRe: How to map messages back to the main frame? Pin
Bubba214621-Jul-03 5:06
memberBubba214621-Jul-03 5:06 
GeneralRe: How to map messages back to the main frame? Pin
WREY3-Jun-04 18:43
memberWREY3-Jun-04 18:43 
Generaldoesn't always work Pin
mel@endlessquests.com1-Jul-03 10:07
membermel@endlessquests.com1-Jul-03 10:07 
GeneralAwesome, but I have problems Pin
Turok_4_2_023-May-03 7:33
memberTurok_4_2_023-May-03 7:33 
GeneralThanks a lot Pin
cwtung10-Apr-03 21:33
membercwtung10-Apr-03 21:33 
GeneralRe: Thanks a lot Pin
imsniper18-Apr-03 0:19
memberimsniper18-Apr-03 0:19 
GeneralRe: Thanks a lot Pin
cwtung14-Aug-07 18:51
membercwtung14-Aug-07 18:51 
QuestionHow to make it slide? Pin
Jinming Xu10-Apr-03 9:16
sussJinming Xu10-Apr-03 9:16 
AnswerRe: How to make it slide? Pin
Anonymous22-Apr-03 1:39
sussAnonymous22-Apr-03 1:39 
Generalthere is a control better than this already in Code Project Pin
konqueror22-Jan-03 23:47
memberkonqueror22-Jan-03 23:47 
Generaldocking CdialogBar like toolbal Pin
yaser8-Sep-02 21:16
memberyaser8-Sep-02 21:16 
GeneralRe: docking CdialogBar like toolbal Pin
mnansyah30-Jan-03 20:04
membermnansyah30-Jan-03 20:04 
GeneralUsability... Pin
aaronp3-Sep-02 6:29
memberaaronp3-Sep-02 6:29 
GeneralRe: Usability... Pin
Anonymous8-Sep-02 1:26
sussAnonymous8-Sep-02 1:26 
GeneralThank you, thank you..oh, and thank you!! Pin
Anonymous16-Jul-02 22:33
sussAnonymous16-Jul-02 22:33 
GeneralIt has a problem.... Pin
Anonymous18-Jun-02 3:04
memberAnonymous18-Jun-02 3:04 
GeneralRe: It has a problem.... Pin
John Aspras19-Jun-02 20:59
memberJohn Aspras19-Jun-02 20:59 
GeneralSorry, not cool at all Pin
Anonymous20-Mar-02 13:11
memberAnonymous20-Mar-02 13:11 
GeneralRe: Sorry, not cool at all Pin
John Aspras2-Apr-02 20:48
memberJohn Aspras2-Apr-02 20:48 
GeneralRe: Sorry, not cool at all Pin
ZHANG Yan8-May-02 21:21
memberZHANG Yan8-May-02 21:21 
GeneralRe: Sorry, not cool at all Pin
Anonymous20-Aug-02 12:50
sussAnonymous20-Aug-02 12:50 
GeneralRe: Sorry, not cool at all - cool code, but stupid reader! Pin
Anonymous-219-Aug-02 0:09
sussAnonymous-219-Aug-02 0:09 
GeneralRe: Sorry, not cool at all - cool code, but stupid reader! Pin
Anonymous-219-Aug-02 0:09
sussAnonymous-219-Aug-02 0:09 
GeneralRe: Sorry, not cool at all Pin
cwtung10-Apr-03 21:43
membercwtung10-Apr-03 21:43 
GeneralRe: Sorry, not cool at all Pin
aguest22-Apr-03 19:22
memberaguest22-Apr-03 19:22 
GeneralRe: Sorry, not cool at all Pin
doublej7-Nov-03 3:45
memberdoublej7-Nov-03 3:45 
GeneralRe: Sorry, not cool at all Pin
Synetech29-Oct-04 9:43
memberSynetech29-Oct-04 9:43 
GeneralRe: Sorry, not cool at all Pin
cwtung14-Aug-07 19:43
membercwtung14-Aug-07 19:43 
GeneralGood work. Just a problem! Pin
Anonymous26-Feb-02 11:04
memberAnonymous26-Feb-02 11:04 
GeneralRe: Good work. Just a problem! Pin
John Aspras6-Mar-02 1:59
memberJohn Aspras6-Mar-02 1:59 
QuestionUsability issue? Pin
Igor Green18-Feb-02 20:29
memberIgor Green18-Feb-02 20:29 
AnswerRe: Usability issue? Pin
Christian Graus18-Feb-02 23:34
memberChristian Graus18-Feb-02 23:34 
GeneralRe: Usability issue? Pin
Thomas Freudenberg18-Feb-02 23:54
memberThomas Freudenberg18-Feb-02 23:54 
AnswerRe: Usability issue? Pin
Mitchell19-Feb-02 4:42
memberMitchell19-Feb-02 4:42 
AnswerRe: Usability issue? Pin
Bjoern Graf19-Feb-02 5:48
memberBjoern Graf19-Feb-02 5:48 
GeneralRe: Usability issue? Pin
Igor Green20-Feb-02 21:13
memberIgor Green20-Feb-02 21:13 
AnswerRe: Usability issue? Pin
archimedean4-May-03 5:01
memberarchimedean4-May-03 5:01 
GeneralThat is <i>sooo</i> cool! Pin
Shog918-Feb-02 14:06
memberShog918-Feb-02 14:06 
GeneralRe: That is <i>sooo</i> cool! Pin
Christian Graus18-Feb-02 17:27
memberChristian Graus18-Feb-02 17:27 
GeneralRe: That is <i>sooo</i> cool! Pin
Triac12-Mar-02 21:54
memberTriac12-Mar-02 21:54 

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