C # mcisendstring () enables Loop Playing of music

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Using System;
Using System. runtime. interopservices;
Using System. text;
Using System. Windows. forms;

Namespace Playmp3withwindow
{
Public   Partial   Class Form1: Form
{
Public   Const   Int Mm_mcinotify =   0x3b9 ; // This is the command to declare that the music mcisendstring () is sent to the System

[Dllimport ( " Winmm. dll " )]
Private   Static   Extern   Long Mcisendstring ( String Command,
Stringbuilder returnstring,
Int Returnsize,
Intptr hwndcallback );
Public Form1 ()
{
Initializecomponent ();

Playsong (@"123.mp3");//When complete callback to defwndproc

//The path of the song. Play it at the beginning.

}

protected override void defwndproc ( ref message m)
{< br> base . defwndproc ( ref m );

If (M. MSG = mm_mcinotify) // determine whether the command is mm_mcinotify

// mcisendstring () mm_mcinotify command sent to the System
{< br> playsong ( @" 456.mp3 " ); // This is automatically played after broadcasting...
}< BR >}

Public   Void Playsong ( String File)
{
Mcisendstring ( " Close Media " , Null , 0 , Intptr. Zero ); // Close
Mcisendstring ( " Open \" "   + File +   " \ "Type mpegvideo alias Media " , Null , 0 , Intptr. Zero );

// The song that opens the file path ", type mpegvideo is the file type, alias is to alias the file as media
Mcisendstring ( " Play media venture y " , Null , 0 , This . Handle ); // Play
}

}
}

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