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Code to View/Hide Status Bar in SDI and MDI Applications Maryland

Here's a little handler for the OnViewStatusBar message handler to change the "View/Hide Status Bar" menu option so that the application (main) window changes its height according to the size of the visible client area.

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Originally published at Internet.com

Ever wanted to change the "View/Hide Status Bar" menu option so that the application (main) window changes its height accordingly preserving the size of the visible client area?

Here's a little handler for the OnViewStatusBar message handler to perform this task. Versions for MFC or Non-MFC available. // // OnViewStatusBar handler // // increase or decrease app window height to adapt to // visible or invisible status bar // void CMainFrame::OnViewStatusBar() // MFC version // by Volker Bartheld { CControlBar* pBar = GetControlBar(AFX_IDW_STATUS_BAR); if (pBar != NULL) { RECT AppWinRect, BarRect; GetWindowRect(&AppWinRect); pBar->GetWindowRect(&BarRect); int iBarHeight = BarRect.bottom - BarRect.top; BOOL bShow = (pBar->GetStyle() & WS_VISIBLE) == 0; ShowControlBar(pBar, bShow, FALSE); if (bShow) { // ... increase frame SetWindowPos(&CWnd::wndNoTopMost, AppWinRect.top, AppWinRect.left, AppWinRect.right-AppWinRect.left, AppWinRect.bottom- AppWinRect.top+iBarHeight, SWP_NOMOVE); } else { // ... decrease frame SetWindowPos(&CWnd::wndNoTopMost, AppWinRect.top, AppWinRect.left, AppWinRect.right-AppWinRect.left, AppWinRect.bottom-AppWinRect.top- iBarHeight, SWP_NOMOVE); } } } void CMainFrame::OnViewStatusBar() // non-MFC-version // by Alexander Sailer { // MFC StatusbarHandler aufrufen OnBarCheck(ID_VIEW_STATUS_BAR); CControlBar* pBar = NULL; BOOL bVisible(false); RECT AppWinRect, BarRect; int iBarHeight(0); // get ptr to status bar pBar = GetControlBar(ID_VIEW_STATUS_BAR); ASSERT(pBar); // Abme_ungen holen GetWindowRect(&AppWinRect); pBar->GetWindowRect(&BarRect); iBarHeight = BarRect.bottom - BarRect.top; // Abfrage ob Bar sichtbar ist bVisible = pBar->IsVisible(); if (bVisible)// ... increase frame { SetWindowPos(&CWnd::wndNoTopMost, AppWinRect.top, AppWinRect.left, AppWinRect.right-AppWinRect.left, AppWinRect.bottom-AppWinRect.top+iBarHeight, SWP_NOMOVE); } else // ... decrease frame { SetWindowPos(&CWnd::wndNoTopMost, AppWinRect.top, AppWinRect.left, AppWinRect.right-AppWinRect.left, AppWinRect.bottom-AppWinRect.top-iBarHeight, SWP_NOMOVE); } }

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Author: Volker Bartheld

Read article at Internet.com site

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Code to View/Hide Status Bar in SDI and MDI Applications Maryland

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