Problem : Debug Assertion Failed: dbgdel.cpp Line: 52 _BLOCK_TYPE_IS_VALID The text in subject is that which is shown in a debug assertion error message box displayed when the m_pConn->Open(…) method below is called. When this […]
Problem : Deleting CToolTipCtrl Dynamic Memory Hi, in my dialog app I am using CToolTipCtrl to implement some tooltip text in various places, yet despite using “delete” in my class destructor, VC++ keeps telling me […]
Problem: OLE Error 80030002 I am coding a Program in Borland C++ Builder 5. I am using ADO Connections, queries, datasets, and command components. I am initializing the COM Objects with CoInitialize(NULL), but i am […]
Question : Resize/scroll flicker in ownerdraw CListCtrl I have an ownerdrawn list control which resizes and scrolls just fine, but is there a way to reduce the noticeable flicker? Solution: Resize/scroll flicker in ownerdraw CListCtrl […]
Question : Async InternetReadFileEx() problem Hi! I need to do async communications using HttpSendRequest() and InternetReadFile(). HttpSendRequest() returns ERROR_IO_PENDING and I wait for INTERNET_STATUS_REQUEST_COMPLETE event in OnStatusCallback(), then I call InternetReadFileEx() which returns incomplete data (usually […]
Question : Program freezes when AfxGetApp()->PumpMessage( ) is called Hello I’m still fairly new to MFC programming and especially multithreading, but my multithreaded application is now freezing when PumpMessage is called. Here is the code where […]
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