Hi all, I am trying to create a custom control that displays a bitmap with per-pixel alphablend (as some of you already know for other questions). Right now I am using a custom control in the resource editor and I attach it to a class derived from CWnd. When I register my custom class I set the hbrBackground of the WNDCLASS structe to ...
I am using CODBCRecordset (a class found on CodeProject) to find a single record in a table with 39 columns. If no record is found then the call to CRecordset::Open is fine. If a record matches the conditions then I get an Out of Memory exception when CRecordset::Open is called. I am selecting all the columns in the query (if I change th...
Is there in Windows API or in MFC any analog to atoh() function? atoh() converts a string containing a hexadecimal number into an unsigned number like unsigned x = atoh("A"); and x = 10 after the operation. In Windows I have a CString, containing "A". How can I convert it to int? ...
How can I destroy a pointer to CFindReplaceDialog object properly? For example I have class: class CjumpView : public CRichEditView { CFindReplceDialog *m_pFRDlg; // ... }; CjumpView::CjumpView() : m_pFRDlg(NULL) { } CjumpView::~CjumpView() { if(m_pFRDlg != NULL) { m_pFRDlg->DestroyWindow(); delete(m_pFRD...
I have a MFC dialog with 32 CComboBoxes on it that all have the same data in the listbox. Its taking a while to come up, and it looks like part of the delay is the time I need to spend using InsertString() to add all the data to the 32 controls. How can I subclass CComboBox so that the 32 instances share the same data? ...
I need a combobox in an Windows MFC application that has a search feature. It should work so that if you start typing something that matches one or more items in the list, the combobox should drop-down and display those items. Kinda like popular ajax-based search boxes on the web Do you - know of any control that provides this functiona...
Is it possible to derive custom-built dialog from CFindEditDialog? I want to build a dialog template in Viasual Studio Resource Builder (to draw it), then to hide the default Find dialog window and to use my instead. MSDN says: To customize the dialog box, derive a class from CFindReplaceDialog, provide a custom dialog template,...
Hey all. I have CLI/MFC application and I would like to begin to learn how to unit test with it. I have VS2008 Pro. If possible, I would like to use the built in unit testing. Thanks for your input! ...
c++ mfc if CHttpConnection::OpenRequest returns a null what can I use to get the internet error. The mfc artical doesn't say what a bad responce looks like. I just said it returns a handle to a CHttpFile. ...
Hi All, Need your help for the following issue: I have defined a new dialog and its controls in an already existing resource file. I have also created a new file which will handle the events being generated from this dialog. But i am not sure how to connect these two. Is the statement *enum { IDD=IDD_NEW_DIALOG };* all that is requ...
I noticed that I can start a program with it's associated handler by writing start filename. However, for some files, all I get is a console, and I don't know why. I'm trying to populate a list control in MFC, and I want to have the program and it's associated handler to run when I double click the selection. Is there a better way, or an...
Is there an equivalent to the Java File method isDirectory() in MFC? I tried using this : static bool isDirectory(CString } but it doesn't seem to work. ...
We have a legacy app that uses MFC's CArchive. I am researching saving the data in XML vs. binary. I have looked several libraries such as: Boost http://www.codeproject.com/KB/XML/xmlize.aspx http://www.ucancode.net/faq/Visual-C-MFC-XML-Example.htm http://www.codeguru.com/cpp/data/data-misc/xml/article.php/c4567 They are nice, and of...
I'm trying to set an invalid value to -1.. But I don't like magic numbers.. Anyone know where to find a set of common constants. I'm working in VS6 (ish). I'm trying to read a file from across a network, and I need a bad value for the total file size,so I know if I got valid info on it.. 0 is a valid size so I can't use that. Harper ...
When the page displayed in our CDHtmlDialog does an Asp.Net AJAX UpdatePanel we get a navigate event, but everything after that seems to be lost. We don't have a document anymore or get any mouse events on the page. ...
I am getting an error while porting my application from VC6 to Visual Studio 2005. Does anyone have any idea what this means? mfcs80.lib(dllmodul.obj) : error LNK2005: _DllMain@12 already defined in MSVCRT.lib(dllmain.obj) ...
Hi, I get the following error while trying to use hres = CoInitializeEx(0, COINIT_MULTITHREADED); error C2065: 'CoInitializeEx' : undeclared identifier I have already included: #define _WIN32_DCOM #include <iostream> using namespace std; #include <comdef.h> #include <Wbemidl.h> in my cpp file. Kindly help. Thanks, Neha ...
How can I draw a line chart in VC++ 6.0? ...
Is there reverse function to MFC AfxParseURL (which creates URL from service type, port and so on)? ...
Hi, I want to create custom tooltips where I can put any kind of controls. I have derived from CDialog and used the WS_POPUP | WS_BORDER styles. I also add the CS_DROPSHADOW style in the OnInitDialog to get the tooltip shadow. Then I manage myself the WM_MOUSEHOVER and WM_MOUSELEAVE events to show/hide the tooltips. I display the tool...