Placing Logo on the Top DockBar of the Frame Window

In the demo project I put in this article I derived CLogo from MFC CBitmapButton class. But you could change my code and derive CLogo from any class derived from CWnd. I use the class, from which CLogo is derived, for visual representation of logo.

Step 1: Create a new Single document or Multiple document project by using MFC AppWizard.

Step 2: Add Logo.cpp and Logo.h files to the project.

Step 3: Change the base class of CLogo to any class derived from CWnd you want. Be sure that you have replaced all occurrences of CBitmapButton in Logo.cpp and Logo.h files.

Step 4: Add #include statement to StdAfx.h file for CDockBar support.

Step 5: Add a member variable of CLogo type to CMainFrame:

protected:
 CLogo m_wndLogo;

Step 6: Add creation code for the CLogo base class at the end of OnCreate handler of CMainFrame. Be sure that you have used the top dockbar as a parent window for the logo. Since I use CBitmapButton, I added the next lines:

// LOGO SUPPORT
CControlBar* pTopDockBar = GetControlBar(AFX_IDW_DOCKBAR_TOP);
if (pTopDockBar 
&& m_wndLogo.Create(NULL,
                    WS_CHILD | WS_VISIBLE | BS_OWNERDRAW,
                    CRect(0,0,0,0),
                    pTopDockBar,
                    IDC_LOGO_BUTTON))
{	
 m_wndLogo.LoadBitmaps(IDB_LOGO_BITMAP, IDB_LOGOSEL_BITMAP);
 m_wndLogo.SizeToContent();
}
// LOGO SUPPORT

Step 7: Add the string resource with the integer identifier of the logo window for displaying tooltips and the message line in the status bar. I added the next string resource:

IDC_LOGO_BUTTON "Go to Sunbay's home page\nGo to Sunbay's Home Page"

Step 8: Add the handler of ON_LOGO_CLICK registered window message to CMainFrame. You could handle this message as you want. For example, my demo application launches a registered internet browser and goes to the home page of my company.

That is all. Now you could compile your project and try out how the program behaves.

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