Deploying Application Upgrades over the internet

Hello everyone, Let me try this again. My last effort fell into the bit bucket. I am looking for information (reference material or recommendations or guiding principles) realted to deploying upgrades for my application over the internet via web services. First, to be honest, I have not yet accessed a web service from inside any MFC Client. I presume this will be relatively straight forward. Assuming that I can issue a web service request, I envision a control on the menu "Check for Updates Now". When this control is selected the application would issue a web service request

Posting 60 messages per second to CView locks up UI (animation continues...)

Hi, As recommended by Jerry and Scott in this newsgroups, I experimented with CreateTimerQueueTimer and PostMessage(WM_APP_...) to drive animations in a CView derived window. I have 2 types of animations: GDI based and Direct3D based. I noticed that Direct3D based animations were really smooth when I ran them at a frequency which was close to the adapter's refresh rate: 60hz. I was quite pleased to see the smoothness of the animations and a very low CPU usage (alternating between 3-4%). Unfortunately the app's UI (e.g. closing/sizing/moving the frame, menus, etc.) became

[Q] CTabCtrl/CBitmapButton: custom color for the WHOLE background

Hello, i read several articles on codeproject about owner drawn controls, specifically for changing the background and text colors of MFC controls. This works, except for CTabCtrls and CBitmapButtons. CTabCtrl: i can change text/background for the entries (text) in the tabctrl, and also for the tabs. But the frame around the whole thing always has the same (system) color. CBitmapButton: doesn't matter what i do (overwriting DrawItem(), OnCtrlColor(), CtrlColor()), text/background always in the system colors. Can anyone give me a hint hwo this can be achieved? Regards, Chr

CArray of stdext::hash_map<int,int> not possible ( access violation ) ?

Hello, I have problems using CArray<> with hash_map<>. What's wrong with the following code ? class A { A() {} A( const A& ) {} ~A() {} void operator=( const A& ) {} stdext::hash_map<int,int> m_member; }; .... A item; CArray<A> test; test.Add( item ); test.Add( item ); test.RemoveAll(); // access violation in hash_map<> destructor ???????? The same code with std::map<> works ok. What is the problem ?. Everything tested under VS.2005. Thanks, Adam

fatal error u1052 file ntwin32.mak not found

I'm trying to compile a library using instructions that may be out of date. They call for the use of NMAKE, but that's generating an error which stubbornly defies solution. Is there another way to compile C++ source that doesn't use NMAKE -- what would be the recommendation. There is a makefile.vc file. I'm trying to compile the GEOS geographic library: http://geodjango.org/docs/install.html#geosbuild Installation instructions: Win32 ----- If you use Microsoft Visual C++ (7.1 or later) compiler, you can build GEOS using NMAKE program and provided makefile.vc files.

loading updated DLL in application

Hello everyone! I have a regular MFC DLL (with Use MFC in a Shared DLL), which contains a component class, with a test_app (with Use MFC in a Shared DLL too) in unique solution (.sln). In the test_app I settled properties like: - added reference search path in local DLL directory and DLL's debug directory; - added DLL directory in Additional Include Directories; - added DLL's .lib in Additional Dependencies of Linker - Input so in this way when I update DLL, in the test_app when I call DLL's member variable and expand the list of methods, properties, events I see all updates o

CDC draw on a greyscale bitmap

We have to work with very large B/W bitmaps and to display them quickly enough we create greyscale copies of this at lower resolution. (greyscale lower resolution looks much better that B/W on screen) What I really want to do is to create a greyscale bitmap of a particular size and then draw on it using a CDC but I've not found a way to do this yet. The only way I've got is to use the following code but this always creates bitmap with the colour depth of the screen - often way too much resulting in unnecessarily large bitmap. Any help will be much appreciated CDC dcScr

Bug in Grid Lines in CListCtrl Report View

Hi, This thing is again annoying me! whenever I display the grid lines using LVS_EX_GRIDLINES , there are problems when scrolling the CListCtrl at once , the grid lines seem to loose their position and thus generating a blurred view or sometimes just disappear temporarily. Have anyone else faced the same thing ? Thanks

Text output and kerning?

A quick test has revealed that my MFC app is ignoring kerning pairs when drawing text on its CView. Delving into the help system, I can't (thus far) find any mention of kerning. Is there something I have to do with one or more of CFont, DrawText(), TextOut(), ExtTextOut() in order for text to respect the kerning pairs defined in a TrueType font? Dave -- David Webber Mozart Music Software http://www.mozart.co.uk For discussion and support see http://www.mozart.co.uk/mozartists/mailinglist.htm

DrawText and measuring offset strings

Hello everyone, I'm trying to draw a legenda on memDC like: colour square : description | colour square : description |.... since I need to apply an offset, is there a function or something to calculate the relative length of strings on graphic surface?... I think a character correspond to certain dot pitch length multiplied to n-chars of the string... Thanks Ciao Luigi

What is the best way to drive (time) animations?

Hi, I've been using WM_TIMER for 2d animations. That is, I'd set a timer to a certain frequency and then move animation frames on timer messages. This approach was simple and sufficient for me in the past. I now need to animate 3D objects using Direct3D. I need more consistency and probably a bit higher frame-per-second than the one provided by WM_TIMER. Most of the non-mfc examples that I have seen use a combination of performance counter and main message loop. Example: for (;;) { while (::PeekMessage(&(pState->m_msgCur), NULL, 0, 0, PM_REMOVE)){ ::Transl

proper way to close a socket?

I have a problem with CAsynsocket. I can connect to a remote socket. When I want to close the connection, I just delete the socket object (which closes the connection) and have no problems. But if I've started to connect to a remote socket that doesn't exist (or doesn't accept), and I delete the local socket object while waiting for the connection, I sometimes get an assert in CAsyncSocket::DoCallBack(). See below. Actually, it's not in the middle of an Accept call because I test with an address and port that I know doesn't exist. Any idea how I should be doing this so as not

MDI CView and some kind of bar at bottom of CView

Hi, I have created a MDI project with CView's using VS2008Pro. I want to have some sort of bar at the bottom of every CView where i can put controls on, like buttons. I dont know how this bar is called and how to create one for every CView. I have a picture of it here to explain what i want. http://www.4shared.com/dir/32975742/b4bac91c/CView_Bar.html Could someone please tell me what kind of bar this would be and how to create it for CViews? Thanks.

Truncate a LPCTSTR

Hello everyone, I'm trying to truncate with a certain LPCTSTR string to n position and get another LPCTSTR variable truncated by that n position.... Is it possible? Any hint?... Thanks Ciao Luigi

PostMessage in OnInitDialog()

Hi All, I have code like this: ------------------------------------------------------------------------------ ..h file: class CMyDialog : public CDialog { CShockwaveFlashActivexControl m_SWFlashMovie; // other members } ..cpp file: BOOL CMyDialog::OnInitDialog() { CDialog::OnInitDialog(); // There are five controls. Below three lines shift the focus to second control. PostMessage(WM_KEYDOWN, (WPARAM)VK_TAB); PostMessage(WM_KEYDOWN, (WPARAM)VK_TAB); PostMessage(WM_KEYDOWN, (WPARAM)VK_TAB); return TRUE; } ---------------------------------------------------

unique number for a system

Hi, I want to fetch a unique ID for a system so for that I want to get the following: 1.OS Serial Number 2.CPU Serial Number or any other way to generate a unique ID for a system? Please help me.. Thanks

excel automation excel8.h/cpp

have been using excel automation for several years without any problems and use the excel8.h and excel8.cpp files that were generated by Visual C++ ages ago (probably with Excel 97). Everything works except that these files have nothing in them about AddIns (Maybe addins only added as a feature after Excel 97) I've tried regenerating these wrapper classes using Visual Studio 2005 but it wants to create separate classes which is fine except I cant get them to work each generated class has the following line #import "C:\\Program Files (x86)\\Microsoft Office\\OFFICE11\\EXCEL.

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Square shaped balloon tips.

Hi, Please suggest me what I can do to display square shaped balloon tips and with controls in them. Thanks.

Sorted vector

Hello everyone.... I have a vector of POINT: typedef vector<POINT> vectPoints; I'd like to have an ordered array of this vector so I can remove and insert "sources of POINT" in ordered way... so I thought about sets... It is possible to have something like: typedef set<int, vectPoints> array_of_POINTS so I could have that int as order key?... If yes, how I could "insert" since doing array_of_POINTS afP; vectPoints vp; .... afP.insert(idxorder, vp); doesn't work?... thanks to all! Ciao Luigi

Testing for memory leaks

Is there a (portable) app runs another app, and reports leaks?

Forcing an optimized pallette when converting a 24-bit bitmap to 8-bit using GDI+

I want to save 24-bit BMP images as 8-bit PNG files, where the number of unique colors <= 256. I don't want windows to automatically screw up the colors and use its own selections. I want to keep the original unique 256 colors, exactly as they are in the original. How do I force windows to not screw up the colors? Why isn't NOT screwing up the colors the default?

CHtmlView zoom in/out images

I am using CHtmlView.Navigate2 to to use the web viewer features inside of my application. This way I can have a simple viewer. This it is working but some browser features are not available, for example I want zoom in/out images. Directly in browser this works well but when from my application show the image but it is not possible zoom in/out the image. It is possible enable these features? Thanks & Regards, Rui

Setting the ColorDepth EncoderParameter to GDI+ Image::Save() ???

Setting the ColorDepth EncoderParameter to GDI+ Image::Save() Status Save( const WCHAR *filename, const CLSID *clsidEncoder, const EncoderParameters *encoderParams ); The only examples that I could find were incorrect examples asking for correction and receiving none.

Incorrect control background colors on CTabCtrl

We're moving an MFC project from VS6 to VS2008. In the process we've encountered a cosmetic bug wherein controls (statics, radios, checkboxes, etc) that appear on a CTabCtrl within a dialog don't have the same background color as the CTabCtrl. The CTabCtrl has a lighter background than the dialog's background (which is okay) and the controls' backgrounds (which isn't okay). There are LOTS of posts about the background color of CTabCtrls on the web (not necessary dealing with VS2008, but often with XP themes). This page (written in 2004) http://www.codeproject.com/KB/wtl/ThemedDialog.

How to run MultiDigiMon.exe ?

Hi Experts: Any one knows how to start MultiDigiMon.exe? Thanks Michael

MDI GUI

Hi, I have created (generated) a MDI project with tabbed documents with VS2008 Pro. Visual Studio generates an application with the File/Class view window, properties window, output window and the first MDI document/ view. I want to control the sides on which the windows dock. I thought this was done in BOOL CMainFrame::CreateDockingWindows() , i changed the CBRS_TOP to CBRS_BOTTOM and CBRS_RIGHT to CBRS_LEFT , but the windows still come out the same in the client area. It makes no difference what is use for a window style attribute of CBRS_xxxx. Where and how can i control wher

Clear CWnd Child with png

Hi, I want to overdraw an Image on a CWnd Object with a second Image including transparent parts. But I can see the first Image through the second Image. I can't use fillRect because I I want to see the Background of the CWnd Object behind it. Is it possible to clear the CWnd so that I have a "transparent" Background as it is on creation? I am using two CImage Objects and two png Images On Mousemove I change the CImage Pointer mp_ActiveBook to the second CImage Object and onMouseleave I switch the pointer again and call OnPaint void CLitBoardItem::OnPaint() {

VS 2008

Well I finally bought the new 2008 VS. I'm moving carefully over as I have to keep a 7.1 build current. I'm moving my support first as I don't have to keep it updated. I started with that hexml project. When I get to this as a copy constructor: XMLNODESET::XMLNODESET( XMLNODESET& inSet ) { *this= inSet; } dec: class HE_XML_EXT_CLASS XMLNODESET { private: std::vector<TiXmlNode*> set; .... }; The pointer to the vector is copied now where as in 7.1 it would do a deep copy of the vector. This can't be right, is this a known issue? And I'm not sure how to fix it

Sleeping...

Hi All I have the following problem: 1. I built a DLL which have a for loop. The loop needs to "sleep" X mseconds between each ietration. Also, the DLL has a dialog and obviously its exported functions are being used by the client and their input must be processed. So I used Win32 Sleep(x) to put the loop to sleep but it of course caused the whole main process to sleep, hence to the dialog to be "stucked" and to the rest of the messages to be blocked until the Sleep completed. 2. So I found XSleep function on the web which in essence implements the sleep on another thread.

Create non-elevated process from elevated process,...?

Hi, i am looking for some way to execute some application of my chioce from an elevated process. This is )for sure) no problem, but the problem is that i want to execute the newly spawned process as a non elevated process without the elevated token rights of the same user. I already tried this by using this, but it is not a realiable solution since it depends on a running shell/explorer process. http://blogs.msdn.com/aaron_margosis/archive/2009/06/06/faq-how-do-i-start-a-program-as-the-desktop-user-from-an-elevated-app.aspx Does someone have a good idea, possibly not something

cannot execute C preprocessor cl.exe

Hello, I got the following compiler error: command line error MIDL1004 : cannot execute C preprocessor cl.exe midl Output: 20>Creating Type Library... 20>Processing .\UnitConverter.idl 20>midl : command line error MIDL1004 : cannot execute C preprocessor cl.exe 20>Build log was saved at "file://v:\MysolutionFoler\MyProjectFoler\DebugU\BuildLog.htm" 20>UnitConverter - 1 error(s), 0 warning(s) When I Open VS2005 command prompt and run the commmands in BuildLog.htm file the all work fine. But why I got the compiler error when build by VS IDE? Please tell me if you have any

question about mfc42.dll

Hi, I've been using msvc6 for a year now, and I prefer it over any other IDE for Windows development. However, I've never had to deal with MFC. I decided to make msvc6 have an 'xp style'. At first, I tried by including a manifest file in it's resource section. That seemed to work only for some controls, but all of them, most controls were still unchanged. Then I applied an inline patch to call InitCommonControls, but that had no effect either. While seeing the unchanged controls' properties in Spy++, I noticed they didn't have normal window class names. I believe those classes were i

fprintf (stderr statement is crasing

Hi, I converted code from vc6 to vc9, on vc6 environment the below statement is working fine fprintf (stderr, "Failed FormatMessage - MessageIndex = <%d>.\n", 0); but when I run this on vc9(visual studio 2008) an exception is thrown,How to handle the exception is the issue. The exception condition will occur definitely but handling that is what I need.In vc6 same code is working fine. Any one please Help it is very urgent to solve the exception.

What is the fastest sustainable web service response time?

Is it possible for a very fast web service to consistently provide an average 500 millisecond response time? Is the internet itself too slow making this goal completely infeasible using current technology?

BitBlt SRCAND and PDF

I am using BitBlt with SRCAND and everything works perfectly on screen and the normal printers. But, when I print to a PDF driver the SRCAND flag seems to be ignored so the result is wrong. (I have read elsewhere that PDF does not handle SRCAND) Does anyone have any ideas how to handle this? Many thanks Phil

Need critical input on this

I have created the below code that actually works and compiles with zero errors and zero warnings. I would like criticism and input on it from all angles, First off is there a better way to do this. Does my code have problems etc. (granted I have left some error checking out to keep it brief) This all started when I wanted to change the font type and size in my FormView Listbox. I always try to keep everything within MFC since I want to concentrate on my stuff and not windows stuff. But everywhere I looked on the net for changing a font in a resource control had stuff setting the O

multiple core programming in win32

Hello I'm glad to announce you the set up of a new site www.mucore.com I propose a light weight library for multi core programming. Gimme you feedback. RV

need some class help

I have noticed some things (for sometime now) that I did not run across when I first read about C++ nor do I think I really understand them. Could someone please explain the differences (or definitions ) of these. Would really appreciate this. What is a SuperClass (is this like a base class ? ) What is a SubClass (is this like a derived class ? What is a nested class ( is this what I used to know as Composition of a class ? ) And exactly what is being compiled when (in the VStudio Class wizard ) when I create a resource control variable of category "Control" and of type "DerivedCl

how to store the listcontrol values into file

Hi to all, How to store all the listcontrol data's into file. if data is there i want to edit from the listcontrol.It is possible to do that.Pls anyone help me i am struggling for using listcontrol. Regards, Muthu

CWnd derived parent, owner draw reflection does not work

Hello, I have a following scenario to handle: A CWnd derived class is a parent window for a number of child controls. One of those controls is a descendant of CStatic. The child control (CStatic derived) is created dynamically with SS_OWNERDRAW style set and handles ON_WM_DRAWITEM_REFLECT. The problem is that DrawItem of the child control is never called. I also set break point in CWnd::OnDrawItem to see if it called at all and I found out that it is not. On the other hand if I put the control on CDialog everything works as expected. I begin to think that bare CWnd does not fully h

type question

Hello, I am a non professional programmer that writes stuff for my work as a Civil Engineering Cad drafter. So please excuse inexperience. My question is, I'm currently working with a struct that has an unsigned int declared in the WINUSER.H file as typedef struct tagDRAWITEMSTRUCT { UINT CtlType; UINT CtlID; UINT itemID; //<- this guy here UINT itemAction; UINT itemState; HWND hwndItem; HDC hDC; RECT rcItem; DWORD itemData; } DRAWITEMSTRUCT; But in the docs for this structure it is said that for an empty list box this me

Combine list view with a tab ctrl

Hi Sorry if this is a very basic question. I would like to create a window with a CListView (in report mode) and above the listview's header a CTabCtrl. The only way I know to do it is to use a splitter and embed the CTabCtrl in a CFormView. The trouble is - the window looks very ugly, and space is wasted as the CFormView seems to require a minimum amount of empty space around the tab ctrl. Is there a trick for creating such windows? thanks, Neil

DDX contol type question

Greatly appreciate anyone showing me what I'm missing here. My ViewClass holds my resource editor ListBox and is the parent class. DerivedClass (from CListBox base class) holds my owner draw DrawItem function. I don't really yet understand everything about this but I wrote my first OwnerDraw derived CListBox class for the DrawItem Function to change the text in my VC studio resource editor created ListBox. Well the code compiled with no errors but in my debugger I noticed that this one UINT in my DrawItem function, going in was already initialized with a value that it should not ha

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Listview displaying blank images

Hello ALL, I have an ATL Com object which displays a set of items in a list view. Each item in the list control is shown using an image also. When I access this ATL COM object from a C++ based application, everything works. But when i access the same from C# application, images are appearing as blank. I tried directly inserting items as well as virtual list view method. Both results are somewhat same. What would be the reason? How do I resolve it?

forum post test only - ignore

Has anyone been expiring posting problems into this group? Two of my postings were successful in submission by then appears to have "expired" when viewing. Lets see what happens when posting via Google Groups.

What difference between these functions?

Hello all: I find some functions with underline before function name, sunch as _open, I want to know what difference between open and _open? I am heard the functions are classsified ANSI functions and Non-ANSI functions, Is it right?I want to know what class the function _open is?thanks.

show Image with CImage - Debug assertion failed

Hi, I tried to show a png Image using CImage ( Visual Studio 2008 prof ) It works pretty good, but only in Release Mode. If I run it in Debug Mode there is a Message: "Debug Assertion Failed! Program: ....[..]\application.exe File: g:[...]\atlimage.h Line: 503 Expression: m_hbitmap == 0 [..] if I ignore the message the picture is schown. How can I avoid this Failure My Code: BOOL OK; LPCTSTR lpBitSource=_T("D:\\Daten\\Visual Studio 2008\\Projects\\LitLaunchTestbox\\LitLaunch\\brett1.png"); CRect rect; GetClientRect(&rect); CWindowDC pDC(this); CDC d

Changing default of static control

I want to change the size of the font in my static control. I get the current font, and reset its height as shown below, but it does not have the desired affect. The font size does increase but not consistently. For example, if I increase the font hieght by 10, it actually shows a smaller size than the original. CFont fontStatic; CFont *pFont = m_StaticText.GetFont(); CFont *pFontNew = new CFont(); if (pFont) { LOGFONT logFont; pFont->GetLogFont(&logFont); logFont.lfHeight += 30; pFontNew->CreateFontIndirectW(&logFont); m_StaticText.SetFont(pFontNew); }