c# 媒体应用，声音的应用
调用 声音 api

useing System.Runtime.InteropServices;


[DllImport("CoreDll.DLL", EntryPoint = "Play" SetLastError=true]
private  static extern int PlaySound(string szSound, IntPtr hMod, int flags);

DllImport()  呼叫的 dll名。
EntryPoint
SetLastError  设置 是否 保存异常。

调用 wav声音

[DllImport("CoreDll.DLL", EntryPoint = "PlaySound", SetLastError = true)]
    private extern static int WavPlay(string szSound, IntPtr hMod, int flags);

        private enum Flags
        {
            SND_SYNC = 0x0000,
            SND_ASYNC = 0x0001,
            SND_NODEFAULT = 0x0002,
            SND_MEMORY = 0x0004,
            SND_LOOP = 0x0008,
            SND_NOSTOP = 0x0010,
            SND_NOWAIT = 0x00002000,
            SND_ALIAS = 0x00010000,
            SND_ALIAS_ID = 0x00110000,
            SND_FILENAME = 0x00020000,
            SND_RESOURCE = 0x00040004
        }