How do I convert a System::IO::Stream^ to an LPCSTR for PlaySound?

Posted by Jon Cage on Stack Overflow See other posts from Stack Overflow or by Jon Cage
Published on 2010-06-15T12:53:03Z Indexed on 2010/06/15 13:02 UTC
Read the original article Hit count: 197

Filed under:

conversion

|

c++-cli

|

stream

|

playsound

I'm trying to embed and then play back a .wav file in a C++/CLI app but all the examples I've seen which use PlaySound are in VB. I can't see how to get froma Stream^ to the LPCSTR which PlaySound requires:

System::IO::Stream^ s = Assembly::GetExecutingAssembly()->GetManifestResourceStream ("Ping.wav");

LPCSTR buf = s->????;

PlaySound(buf, NULL, SND_ASYNC|SND_MEMORY|SND_NOWAIT);

I guess I need some sort of horrible .net memory conversion magic.

© Stack Overflow or respective owner

Related posts about conversion

Conversion constructor vs. conversion operator: precedence

as seen on Stack Overflow - Search for 'Stack Overflow'
Reading some questions here on SO about conversion operators and constructors got me thinking about the interaction between them, namely when there is an 'ambiguous' call. Consider the following code: class A; class B { public: B(){} B(const A&) //conversion constructor … >>> More
Conversion of bytes into a type without changing the application (ie storing the conversion method i

as seen on Stack Overflow - Search for 'Stack Overflow'
Is there a way to store a conversion strategy (for converting some bytes) into a database and then execute it on the run time. If one were to store a complete java file, you would need to compile it, store the class and some how inject into the already running system. I am not sure how this would… >>> More
General type conversion without risking Exceptions

as seen on Stack Overflow - Search for 'Stack Overflow'
I am working on a control that can take a number of different datatypes (anything that implements IComparable). I need to be able to compare these with another variable passed in. If the main datatype is a DateTime, and I am passed a String, I need to attempt to convert the String to a DateTime… >>> More
Create a Unit Conversion Application with the Zend_Measure Component

as seen on Internet.com - Search for 'Internet.com'
Learn how to create a simple conversion calculator using the Zend Framework's Zend_Measure component ... >>> More
Create a Unit Conversion Application with the Zend_Measure Component

as seen on Internet.com - Search for 'Internet.com'
Learn how to create a simple conversion calculator using the Zend Framework's Zend_Measure component ... >>> More

Related posts about c++-cli

cannot convert from 'cli::array<Type> ^' to 'cli::array<Type> ^[]'

as seen on Stack Overflow - Search for 'Stack Overflow'
I'm pretty new to C++/CLI and I am trying to convert a System::String to a System::Char array. Here's what I have so far: private: System::Void modeToolStripMenuItem_Click(System::Object^ sender, System::EventArgs^ e) { Mode frmMode; if(frmMode.ShowDialog() == System::Windows::Forms::DialogResult::OK){ … >>> More
Calling cli::array<int>::Reverse via a typedef in C++/CLI

as seen on Stack Overflow - Search for 'Stack Overflow'
Here is what I'm trying: typedef cli::array<int> intarray; int main(){ intarray ^ints = gcnew intarray { 0, 1, 2, 3 }; intarray::Reverse(ints); // C2825, C2039, C3149 return 0; } Compilation resulted in the following errors: .\ints.cpp(46) : error C2825: 'intarray': must… >>> More
"svn: Cannot negotiate authentication mechanism" for OSX CLI and WinXp TortoiseSVN, but linux CLI works

as seen on Server Fault - Search for 'Server Fault'
I had a working subversion server which used the passwd file which stores passwords in clear text. My requirements changed so that passwords now need to be encrypted. I did everything according to the book to use SASL, or so I believe, but now only the linux command line can authenticate. My OSX… >>> More
Huge performance difference between two web servers, odd behavior seen using process monitor

as seen on Server Fault - Search for 'Server Fault'
We have two Coldfusion servers that have a huge performance difference running the exact same code on the exact same input data. The code in questions instantiates a large amount of CFCs (Coldfusion Components, which are similar to objects in OOP languages). I compared the two servers by running… >>> More
C++/CLI managed thread cleanup

as seen on Stack Overflow - Search for 'Stack Overflow'
Hi. I'm writing a managed C++/CLI library wrapper for the MySQL embedded server. The mysql C library requires me to call mysql_thread_init() for every thread that will be using it, and mysql_thread_end() for each thread that exits after using it. Debugging any given VB.Net project I can see at least… >>> More