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Extended Splitter Window class

, 26 Apr 2001
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An extended splitter window class that makes creating 'T' style layouts simple.

Sample Image - CExSplitter3Wnd.jpg


I needed a 3 window splitter that will split the window in a "T" shape as opposed to 3 columns or 3 rows. This CExSplitter3Wnd class will allow you to create a 3 window splitter according to a pre-defined layout. Below are the patterns that are defined. Note that you can add any layout you wish:

Note that PATTERN_5 and PATTERN_6 are created the usual way. The other 4 patterns show the extended style.

To create one of those patterns:

  1. Override the OnCreateClient function in your SDI MainFrame.
  2. Construct a new CExSplitter3Wnd object
  3. Set style and initial view sizes
  4. Call the set pattern function with the following parameters :
    • CWnd* pParent
    • SPLIT_PATTERN SplitPattern
    • CRuntimeClass* pFirstView
    • CRuntimeClass* pSecView
    • CRuntimeClass* pThirdView
    • CCreateContext* pContext

SPLIT_PATTERN is an enum defined:

typedef enum 
    PATTERN_1 ,
    PATTERN_2 ,
    PATTERN_3 ,
    PATTERN_4 ,
    PATTERN_5 ,
    PATTERN_6 ,



BOOL CMainFrame::OnCreateClient(LPCREATESTRUCT lpcs, CCreateContext* pContext)
    // TODO: Add your specialized code here and/or call the base class

    m_pTopWndSplitter  = new CExSplitter3Wnd;

    m_pTopWndSplitter->SetStyle(WS_CHILD | WS_VISIBLE | WS_BORDER);
    return TRUE;

You can retrieve the different view sizes by calling one of the dimension functions. Each view (first, second, third) has its own function:

void GetFirsWndDim(int* nCurrDim,int* nMinDim);
void GetSecWndDim(int* nCurrDim,int* nMinDim);
void GetThirdWndDim(int* nCurrDim,int* nMinDim);


This article has no explicit license attached to it but may contain usage terms in the article text or the download files themselves. If in doubt please contact the author via the discussion board below.

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About the Author


Israel Israel
C++ Developer

Comments and Discussions

Generalsplit window sizing Pinmemberkittunair14-May-05 0:14 
GeneralFix Splitter 3rd Pane Pinmembervikram_mfc16-May-04 23:02 
Questionhow to create controls in the splitterwindows PinmemberPriya Su9-May-04 20:05 
AnswerRe: how to create controls in the splitterwindows Pinmembervikram_mfc16-May-04 23:35 
GeneralThanks! PinmemberSpectrum_12-Oct-03 22:39 
QuestionHow to do this case? Pinmemberericlts2-Apr-03 14:39 
Generalsplitting and un-splitting Pinmemberrawblark2-Jul-02 4:47 
QuestionDisplaying non-split window as well split window? Pinmembermohanrajh4-May-02 17:34 
GeneralHELP ACESS METHOD Pinmembertfrazao13-Mar-02 6:04 
Which acess a method of VIEW diferent...
view2::print() -- ???
AfxMessageBox("i dont speak english!!\n I am Brasilian");
}Cry | :(( Cry | :((
Tiago Frazão / sMIL0n
GeneralGood Job ;-) Pinmemberlamback5-Mar-02 16:24 
QuestionHow to transfer datas between views in Spliter window Pinmembersen29-Jan-02 0:10 
AnswerRe: How to transfer datas between views in Spliter window PinmemberWan Ling Li5-Apr-04 3:59 
QuestionHow to switch views in the third pan PinmemberJulia113-Dec-01 8:11 
GeneralMore Splits PinmemberS.E.McKelvy11-Jul-01 11:03 
GeneralRe: More Splits PinmemberJohn P. Curtis30-Jan-02 17:47 
GeneralNot extensible PinmemberDatacrime30-Apr-01 3:51 
GeneralRe: Not extensible PinmemberAnonymous3-Jun-01 4:42 
GeneralNot necessary PinmemberAnonymous29-Apr-01 0:09 
GeneralRe: Not necessary Pinmemberran wainstein29-Apr-01 8:42 
GeneralRe: Not necessary PinmemberAnonymous3-Jun-01 4:46 
GeneralRe: Not necessary Pinmembersanvm10-Aug-03 21:03 
GeneralRe: Not necessary Pinmemberhewat13-Nov-03 3:43 
GeneralMemory leaks PinmemberMoz27-Apr-01 6:53 
GeneralRe: Memory leaks PinmemberAnonymous3-Jun-01 4:49 
GeneralRe: Memory leaks Pinmemberlio18-Feb-02 7:02 

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