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CMDIChildWndEx Class

This topic is included for completeness. For more detail see the source code located in the VC\atlmfc\src\mfc folder of your Visual Studio installation.

The CMDIChildWndEx class provides the functionality of a Windows multiple document interface (MDI) child window. It extends the functionality of CMDIChildWnd Class. The framework requires this class when an MDI application uses certain MFC classes.

class CMDIChildWndEx : public CMDIChildWnd

Public Methods

Name

Description

CMDIChildWndEx::ActivateTopLevelFrame

Called internally by the framework to activate top level frame when the application should be activated from a taskbar tab.

CMDIChildWndEx::AddDockSite

 

CMDIChildWndEx::AddPane

Adds a pane.

CMDIChildWndEx::AddTabbedPane

Adds a tabbed pane.

CMDIChildWndEx::AdjustDockingLayout

Adjusts the docking layout.

CMDIChildWndEx::CanShowOnMDITabs

 

CMDIChildWndEx::CanShowOnTaskBarTabs

Tells the framework whether this MDI child can be displayed on Windows 7 taskbar tabs.

CMDIChildWndEx::CanShowOnWindowsList

Returns TRUE if the MDI child window name can be displayed in the CMFCWindowsManagerDialog Class dialog box. Otherwise returns FALSE.

CMDIChildWndEx::CreateObject

Called by the framework to create a dynamic instance of this class type.

CMDIChildWndEx::DockPane

Docks a pane.

CMDIChildWndEx::DockPaneLeftOf

Docks one pane to the left of another pane.

CMDIChildWndEx::EnableAutoHidePanes

Enables auto-hide mode for panes when they are docked at the specified sides of the window.

CMDIChildWndEx::EnableDocking

Enables docking of the child window to the main frame.

CMDIChildWndEx::EnableTaskbarThumbnailClipRect

Enables or disables automatic selection of a portion of a window's client area to display as that window's thumbnail in the taskbar.

CMDIChildWndEx::GetDockingManager

 

CMDIChildWndEx::GetDocumentName

Returns the name of the document that is displayed in the MDI child window.

CMDIChildWndEx::GetFrameIcon

Called by the framework to retrieve the MDI child window icon.

CMDIChildWndEx::GetFrameText

Called by the framework to retrieve the text for the MDI child window.

CMDIChildWndEx::GetPane

Finds a pane by the specified control ID.

CMDIChildWndEx::GetRelatedTabGroup

 

CMDIChildWndEx::GetTabbedPane

Returns a pointer to an embedded docking pane that was converted to a tabbed document.

CMDIChildWndEx::GetTabProxyWnd

Returns tab proxy window actually registered with Windows 7 taskbar tabs.

CMDIChildWndEx::GetTaskbarPreviewWnd

Called by the framework when it needs to obtain a child window (usually a view or splitter window) to be displayed on Windows 7 taskbar tab thumbnail.

CMDIChildWndEx::GetTaskbarThumbnailClipRect

Called by the framework when it needs to select a portion of a window's client area to display as that window's thumbnail in the taskbar.

CMDIChildWndEx::GetThisClass

Called by the framework to obtain a pointer to the CRuntimeClass object that is associated with this class type.

CMDIChildWndEx::GetToolbarButtonToolTipText

Called by the framework to retrieve a tooltip for a toolbar button.

CMDIChildWndEx::InsertPane

Registers the specified pane with the docking manager.

CMDIChildWndEx::InvalidateIconicBitmaps

Invalidates iconic bitmap representation of MDI child.

CMDIChildWndEx::IsPointNearDockSite

Determines whether a specified point is near the dock site.

CMDIChildWndEx::IsReadOnly

Returns TRUE if the document that is displayed in the child window is read-only. Otherwise returns FALSE.

CMDIChildWndEx::IsRegisteredWithTaskbarTabs

Returns TRUE if MDI child was successfully registered with Windows 7 taskbar tabs.

CMDIChildWndEx::IsTabbedPane

Returns TRUE if the MDI child window contains a docking pane. Otherwise returns FALSE.

CMDIChildWndEx::IsTaskbarTabsSupportEnabled

Tells whether the MDI child can appear on Windows 7 taskbar tabs.

CMDIChildWndEx::IsTaskbarThumbnailClipRectEnabled

Tells whether automatic selection of a portion of a window's client area to display as that window's thumbnail in the taskbar is enabled or disabled.

CMDIChildWndEx::m_dwDefaultTaskbarTabPropertyFlags

A combination of flags, which is passed by the framework to the SetTaskbarTabProperties method, when a tab (MDI child) is being registered with Windows 7 taskbar tabs. The default combination is STPF_USEAPPTHUMBNAILWHENACTIVE | STPF_USEAPPPEEKWHENACTIVE.

CMDIChildWndEx::OnGetIconicLivePreviewBitmap

Called by the framework when it needs to obtain a bitmap for live preview of MDI child.

CMDIChildWndEx::OnGetIconicThumbnail

Called by the framework when it needs to obtain a bitmap for iconic thumbnail of MDI child.

CMDIChildWndEx::OnMoveMiniFrame

Called by the framework to move a mini-frame window.

CMDIChildWndEx::OnPressTaskbarThmbnailCloseButton

Called by the framework when the user presses close button on Taskbar tab thumbnail..

CMDIChildWndEx::OnSetPreviewMode

Called by the framework to enter or exit print preview mode.

CMDIChildWndEx::OnTaskbarTabThumbnailActivate

Called by the framework when the Taskbar tab thumbnail should process WM_ACTIVATE message.

CMDIChildWndEx::OnTaskbarTabThumbnailMouseActivate

Called by the framework when the Taskbar tab thumbnail should process WM_MOUSEACTIVATE message.

CMDIChildWndEx::OnTaskbarTabThumbnailStretch

Called by the framework when it needs to stretch a bitmap for Windows 7 taskbar tab thumbnail preview of MDI child.

CMDIChildWndEx::OnUpdateFrameTitle

Called by the framework to update the frame title. (Overrides CMDIChildWnd::OnUpdateFrameTitle.)

CMDIChildWndEx::PaneFromPoint

Returns the pane that contains the given point.

CMDIChildWndEx::PreTranslateMessage

Used by class CWinApp to translate window messages before they are dispatched to the TranslateMessage and DispatchMessage Windows functions. (Overrides CWnd::PreTranslateMessage.)

CMDIChildWndEx::RecalcLayout

Recalculates the layout of the window.

CMDIChildWndEx::RegisterTaskbarTab

Registers MDI child with Windows 7 taskbar tabs.

CMDIChildWndEx::RemovePaneFromDockManager

Removes a pane from the docking manager.

CMDIChildWndEx::SetRelatedTabGroup

 

CMDIChildWndEx::SetTaskbarTabActive

Activates corresponding Windows 7 taskbar tab.

CMDIChildWndEx::SetTaskbarTabOrder

Inserts MDI child before specified window on Windows 7 taskbar tabs.

CMDIChildWndEx::SetTaskbarTabProperties

Sets properties for a Windows 7 taskbar tab.

CMDIChildWndEx::SetTaskbarThumbnailClipRect

Called internally by the framework to set clipping rectangle to select a portion of a window's client area to display as that window's thumbnail in the taskbar.

CMDIChildWndEx::ShowPane

 

CMDIChildWndEx::UnregisterTaskbarTab

Removes MDI child from Windows 7 taskbar tabs.

CMDIChildWndEx::UpdateTaskbarTabIcon

Updates Windows 7 taskbar tab icon.

To take advantage of extended docking features in MDI applications, derive the MDI child window class of your application from CMDIChildWndEx instead of CMDIChildWnd.

The following example derives a class from CMDIChildWndEx. This code snippet comes from the VisualStudioDemo Sample: MFC Visual Studio Application.


class CChildFrame : public CMDIChildWndEx
{
	DECLARE_DYNCREATE(CChildFrame)
public:
	CChildFrame();

// Overrides
public:
	virtual BOOL PreCreateWindow(CREATESTRUCT& cs);
	virtual void ActivateFrame(int nCmdShow = -1);

	virtual BOOL IsReadOnly();
	virtual LPCTSTR GetDocumentName(CObject** pObj);

// Implementation
public:
	virtual ~CChildFrame();
#ifdef _DEBUG
	virtual void AssertValid() const;
	virtual void Dump(CDumpContext& dc) const;
#endif

protected:
	afx_msg int OnCreate(LPCREATESTRUCT lpCreateStruct);

	DECLARE_MESSAGE_MAP()
};


CObject

   CCmdTarget

      CWnd

         CFrameWnd

            CMDIChildWnd

               CMDIChildWndEx

Header: afxMDIChildWndEx.h

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