C / C++ / MFC

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Re: Avoid Moving a window Tomasz Sowinski15-Mar-02 2:43 Tomasz Sowinski 15-Mar-02 2:43  Yes, it should work for all types of windows. The sample was just taken from main frame window in small SDI app. Tomasz Sowinski -- http://www.shooltz.com Re: Avoid Moving a window Prem Kumar15-Mar-02 2:33 Prem Kumar 15-Mar-02 2:33  Hi, I guest windows provides the default action for moving u cannot stop the moving, but u can get back to the same position by using some thing ilke that foll code. In WM_INITDIALOG, take the window rect and on OnMove code it like the foll. void CTstNoMoveDlg::OnMove(int x, int y) { CDialog::OnMove(m_Rect.left, m_Rect.top); if( m_Rect.Width() > 100 ) ::SetWindowPos(m_hWnd,HWND_NOTOPMOST,m_Rect.left,m_Rect.top,m_Rect.Width(),m_Rect.Height(),/*SWP_NOSENDCHANGING*/SWP_SHOWWINDOW); } The reason for the If condition is a WM_MOVE is sent before the dialog is even properly instantiated at this pt the size might be rather less. Drag and Resize ActiveX control in CView sanskypotov15-Mar-02 1:58 sanskypotov 15-Mar-02 1:58  Hi, Can someone tell me is there any way to use an ActiveX control in CView. The intention is to use the ActiveX with additional facility like drag and resize the ActiveX control. Regards, Sansky God is Good, all the Time. All the Time, God is Good. please help me 15-Mar-02 1:55 15-Mar-02 1:55  i am not understanding how to get the ' key . for f1 key i have used vk_f1 virtual code .is there any such code for ' key. please do reply Re: please help me Tomasz Sowinski15-Mar-02 2:08 Tomasz Sowinski 15-Mar-02 2:08  What are you trying to do? Process WM_KEYDOWN message? Creating global keyboard hook for password sniffer? Something else? Tomasz Sowinski -- http://www.shooltz.com Re: please help me Tim Smith15-Mar-02 2:10 Tim Smith 15-Mar-02 2:10  VK_OEM_3 on US keyboards. Tim Smith I know what you're thinking punk, you're thinking did he spell check this document? Well, to tell you the truth I kinda forgot myself in all this excitement. But being this here's CodeProject, the most powerful forums in the world and would blow your head clean off, you've got to ask yourself one question, Do I feel lucky? Well do ya punk? Re: please help me Tomasz Sowinski15-Mar-02 2:14 Tomasz Sowinski 15-Mar-02 2:14  Isn't it VK_OEM_7? Tomasz Sowinski -- http://www.shooltz.com Re: please help me Tim Smith15-Mar-02 3:14 Tim Smith 15-Mar-02 3:14  You are right, VK_OEM_3 is `~ where VK_OEM_7 is '". Tim Smith I know what you're thinking punk, you're thinking did he spell check this document? Well, to tell you the truth I kinda forgot myself in all this excitement. But being this here's CodeProject, the most powerful forums in the world and would blow your head clean off, you've got to ask yourself one question, Do I feel lucky? Well do ya punk? Re: please help me Christian Graus15-Mar-02 10:30 Christian Graus 15-Mar-02 10:30  You can check the char value with "'". Christian The tragedy of cyberspace - that so much can travel so far, and yet mean so little. "I'm thinking of getting married for companionship and so I have someone to cook and clean." - Martin Marvinski, 6/3/2002 RGB to HSB Conversion.. Neha15-Mar-02 1:12 Neha 15-Mar-02 1:12  Hi, Does anyone knows how to convert RGB to HSB Value? Thanks Neha Re: RGB to HSB Conversion.. Tomasz Sowinski15-Mar-02 1:19 Tomasz Sowinski 15-Mar-02 1:19  If you want RGB to HSV conversion, check this link: http://www.cs.rit.edu/~ncs/color/t_convert.html Tomasz Sowinski -- http://www.shooltz.com Re: RGB to HSB Conversion.. Neha15-Mar-02 1:43 Neha 15-Mar-02 1:43  Thanks for the reply. But the HSL Value i will get through that function won't match with the value displayed in the window standard color dialog box. Re: RGB to HSB Conversion.. Tomasz Sowinski15-Mar-02 2:06 Tomasz Sowinski 15-Mar-02 2:06  HSL is slightly different than HSV. Check this for algorithm: http://www.mpa-garching.mpg.de/MPA-GRAPHICS/hsl-rgb.html Tomasz Sowinski -- http://www.shooltz.com Re: RGB to HSB Conversion.. Tomasz Sowinski15-Mar-02 2:12 Tomasz Sowinski 15-Mar-02 2:12  ... and you may find this article interesting: http://www.codeproject.com/bitmap/ccolor.asp Tomasz Sowinski -- http://www.shooltz.com Sub-Class System Menu jerry0davis14-Mar-02 23:55 jerry0davis 14-Mar-02 23:55  I use an owner drawn menu class. I'd like to subclass the system menu of my dialog based app. Any ideas how I can do it please? Thanks Jeremy Davis http://www.astad.org Re: Sub-Class System Menu Tomasz Sowinski14-Mar-02 23:59 Tomasz Sowinski 14-Mar-02 23:59  I've never done that, so treat this as educated guess Use SetMenuItemInfo and pass MFT_OWNERDRAW in the fType field of MENUITEMINFO struct. This makes menu item owner-drawn. Have no idea how your class works, but you should at least get WM_MEASUREITEM and WM_DRAWITEM messages. Tomasz Sowinski -- http://www.shooltz.com simple busy window NikoTanghe14-Mar-02 23:06 NikoTanghe 14-Mar-02 23:06  I need to create a window, dialog, ... that shows a single string to a user. all this in 1 object, no resources, and this should work on modal and modeless parents. what kind of MFC object should I use ? Does Anyone has an example or suggestion ? Re: simple busy window Tomasz Sowinski14-Mar-02 23:53 Tomasz Sowinski 14-Mar-02 23:53  Busy == what? There will be some background work when dialog will be displayed? Tomasz Sowinski -- http://www.shooltz.com Re: simple busy window NikoTanghe14-Mar-02 23:55 NikoTanghe 14-Mar-02 23:55  Tomasz Sowinski wrote: Busy == what? There will be some background work when dialog will be displayed? yes, window needs to be modeless Re: simple busy window Tomasz Sowinski15-Mar-02 0:02 Tomasz Sowinski 15-Mar-02 0:02  What kind of background activity do you have? Is it a worker thread, or idle time processing or something else? Tomasz Sowinski -- http://www.shooltz.com Re: simple busy window NikoTanghe15-Mar-02 1:05 NikoTanghe 15-Mar-02 1:05  Something like this: (like the MFC class CWaitCursor) { CWaitDialog Wait(_T("Wait a moment")); //Perform heavy operation } //destructor is called, Close Dialog Re: simple busy window Tomasz Sowinski15-Mar-02 1:14 Tomasz Sowinski 15-Mar-02 1:14  There's a problem with this approach. While your program performs 'heavy operation', no window - including main one and even your dialog - can be repainter. So your app will be basically frozen; all you can do is display a dialog with progress bar, but can't even have Cancel button. You may consider moving background work into separate worker thread. Or - you can pump the messages periodically during 'heavy operation'. Check the CWaitDialog class described by Jeff Prosise in the Wicked Code column in Feb'97 issue of MSJ. This article may be included in the MSDN installed on your harddisk; search for 'CWaitDialog'. If it isn't there, you'll should be able to find the article at msdn.microsoft.com Tomasz Sowinski -- http://www.shooltz.com Re: simple busy window NikoTanghe15-Mar-02 1:21 NikoTanghe 15-Mar-02 1:21  Thanks, But, I've already tried this approach. The class works fine. The problem is that a resource template is needed. That is not preferrable, because the class is shared over lots of different projects Re: simple busy window Tomasz Sowinski15-Mar-02 1:23 Tomasz Sowinski 15-Mar-02 1:23  NikoTanghe wrote: The problem is that a resource template is needed. That is not preferrable, because the class is shared over lots of different projects Check CDialog::CreateIndirect then. It allows you to create dialog template in memory - no resources required. Tomasz Sowinski -- http://www.shooltz.com Re: simple busy window NikoTanghe15-Mar-02 1:31 NikoTanghe 15-Mar-02 1:31  Thanks, I've completely overlooked this feature.

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