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Draw transparent toolbar? |
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jeffcmj 
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Joined: 28 October 2004 Status: Offline Points: 92 |
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 Topic: Draw transparent toolbar?Posted: 12 July 2005 at 3:42am |
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Hi, Does anyone know how to make toolbar transparent? I mean the toolbar's uses the background filled via FillDockBar. Best
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Oleg
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Joined: 21 May 2003 Location: United States Status: Offline Points: 11234 |
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Posted: 12 July 2005 at 7:09am |
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See code of void CXTPNativeXPTheme::FillCommandBarEntry(CDC* pDC, CXTPCommandBar* pBar) it can help... |
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Oleg, Support Team
CODEJOCK SOFTWARE SOLUTIONS |
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jeffcmj
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Posted: 12 July 2005 at 8:48pm |
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This code seems use the same function to draw both of them. It works well with solid background, but what if the background is a picture? What I want is the thing like MFC toolbar on the rebar, with whom I can draw a picture on the rebar and make toolbar transparent, then the toolbar button will show on the picture. Thanks
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Oleg
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Joined: 21 May 2003 Location: United States Status: Offline Points: 11234 |
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Posted: 13 July 2005 at 5:17am |
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In FillCommandBarEntry you must draw part of this picture to make it look like transparent. Windows doesn't allow to make child window transparent. |
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Oleg, Support Team
CODEJOCK SOFTWARE SOLUTIONS |
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jeffcmj
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Posted: 13 July 2005 at 5:55am |
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In my previous project, I use this trick to let parent window draw child window. CPoint pt (0, 0); bRes = (BOOL) pParent->SendMessage (WM_ERASEBKGND, (WPARAM)pDC->m_hDC); pDC->SetWindowOrg(pt.x, pt.y); But it does not work with XTP, because XTP draws the DockBar in OnPaint, not OnEraseBkgnd, any suggestion? Thanks |
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Oleg
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Posted: 13 July 2005 at 7:36am |
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ok, here is your sample |
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Oleg, Support Team
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jeffcmj
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Posted: 13 July 2005 at 7:40am |
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Thanks ole. I feel myself silly after seeing your sample. ;-)
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jeffcmj
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Posted: 23 August 2005 at 11:44pm |
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Sorry for bring this thread back. I still think XTP command bar shall redraw the background in OnErase handler. For example, I have another control placed on the bar, if XTP's bar redraw the background in OnErase handle, then I only need to use the following code to make my control transparent: CPoint pt (0, 0); bRes = (BOOL) pParent->SendMessage (WM_ERASEBKGND, (WPARAM)pDC->m_hDC); pDC->SetWindowOrg(pt.x, pt.y); The big advantage of this way is the control actually not even know it's parent is the XTP bar, thus makes the control more independent. Best Jeff |
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Oleg
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Posted: 24 August 2005 at 12:00am |
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Hi, Standard controls and CommandBars too supports WM_PRINT message. instead bRes = (BOOL) pParent->SendMessage (WM_ERASEBKGND, (WPARAM)pDC->m_hDC); try pParent->Print(pDC, PRF_CLIENT); |
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Oleg, Support Team
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oleg wrote: