New Features in VB 9.0 and C# 3.0
The following is a list of some new language-specific features available to C# 3.0 and VB 9.0, available in Visual
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P/Invoking C++ callback functions crashes when .NET application is not in focus
A C++ DLL exports one function having its only parameter as a pointer to another function: #define AFX_EXT_CLASS __declspec(dllexport)typedef void
Read moreC++ String Code Snippets
Split a string http://bytes.com/forum/thread221760.html http://msdn.microsoft.com/en-us/library/2c8d19sb(VS.80).aspx We are going to use wcstok to split string into tokens using separators. This
Read moreUseful Conversion in C++
BYTE[] to DWORD: BYTE tzValue[4]; DWORD value = tzValue[3]*16*16*16 + tzValue[2]*16*16 + tzValue[1]*16 + tzValue[0]; Print hexadecimal: printf(“Value: 0x%08lxn”, value);
Read moreUse the DefaultEvent attribute in .NET
The DefaultEvent attribute indicates a class’s default event. If the class is a component and you double-click on it in
Read moreBit-fields in C++
Classes and structures can contain members that occupy less storage than an integral type. These members are specified as bit
Read moreAccessing WIN32 API functions from C++ CLI
First, add the following declaration to stdafx.h: // TODO: reference additional headers your program requires here #include “windows.h” For example,
Read moreC++ Read/Write files
Write binary data to file using namespace std; BYTE* buffer; ofstream fout(“file.dat”, ios::binary); fout.write((char *)(&buffer), sizeof(number)); fout.close(); Reference: Simple File
Read moreLate-binding in .NET
Early-binding: Variable types are defined at compile time (e.g. string, integers): String st = “hello world”;Boolean ok = st.Contains(“hello”); The
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