如何实现c#在webform中播放声音?我建立的是web窗体,无法引用winmm.dll,好像是因为这种方法只用于windows应用程序的;大家最好能给出代码。谢谢

解决方案 »

  1.   

    [DllImport("winmm.dll")]   
      public   static   extern   long PlaySound(String   fileName,long   a,long   b);   
      然后在程序里调用它FILENAME文件。   
      PlaySound("路径\am.wav",0,0);   
      名字空间不要忘记:   
      using   System.Runtime.InteropServices;
      

  2.   

    web窗体1.avi格式
    代码片断如下:
    <object id="video" width="400" height="200" border="0" classid="clsid:CFCDAA03-8BE4-11cf-B84B-0020AFBBCCFA">
    <param name="ShowDisplay" value="0">
    <param name="ShowControls" value="1">
    <param name="AutoStart" value="1">
    <param name="AutoRewind" value="0">
    <param name="PlayCount" value="0">
    <param name="Appearance value="0 value=""">
    <param name="BorderStyle value="0 value=""">
    <param name="MovieWindowHeight" value="240">
    <param name="MovieWindowWidth" value="320">
    <param name="FileName" value="/Mbar.avi">
    <embed width="400" height="200" border="0" showdisplay="0" showcontrols="1" autostart="1" autorewind="0" playcount="0" moviewindowheight="240" moviewindowwidth="320" filename="/Mbar.avi" src="Mbar.avi">
    </embed>
    </object> 
    2.mpg格式
    代码片断如下:
    <object classid="clsid:05589FA1-C356-11CE-BF01-00AA0055595A" id="ActiveMovie1" width="239" height="250">
    <param name="Appearance" value="0">
    <param name="AutoStart" value="-1">
    <param name="AllowChangeDisplayMode" value="-1">
    <param name="AllowHideDisplay" value="0">
    <param name="AllowHideControls" value="-1">
    <param name="AutoRewind" value="-1">
    <param name="Balance" value="0">
    <param name="CurrentPosition" value="0">
    <param name="DisplayBackColor" value="0">
    <param name="DisplayForeColor" value="16777215">
    <param name="DisplayMode" value="0">
    <param name="Enabled" value="-1">
    <param name="EnableContextMenu" value="-1">
    <param name="EnablePositionControls" value="-1">
    <param name="EnableSelectionControls" value="0">
    <param name="EnableTracker" value="-1">
    <param name="Filename" value="/mpeg/halali.mpg" valuetype="ref">
    <param name="FullScreenMode" value="0">
    <param name="MovieWindowSize" value="0">
    <param name="PlayCount" value="1">
    <param name="Rate" value="1">
    <param name="SelectionStart" value="-1">
    <param name="SelectionEnd" value="-1">
    <param name="ShowControls" value="-1">
    <param name="ShowDisplay" value="-1">
    <param name="ShowPositionControls" value="0">
    <param name="ShowTracker" value="-1">
    <param name="Volume" value="-480">
    </object>3.smi格式
    代码片断如下:
    <OBJECT id=RVOCX classid=clsid:CFCDAA03-8BE4-11cf-B84B-0020AFBBCCFA width=240 height=180>
    <param name="_ExtentX" value="6350">
    <param name="_ExtentY" value="4763">
    <param name="AUTOSTART" value="-1">
    <param name="SHUFFLE" value="0">
    <param name="PREFETCH" value="0">
    <param name="NOLABELS" value="-1">
    <param name="SRC" value="rm.rm">
    <param name="CONTROLS" value="ImageWindow">
    <param name="CONSOLE" value="console1">
    <param name="LOOP" value="0">
    <param name="NUMLOOP" value="0">
    <param name="CENTER" value="0">
    <param name="MAINTAINASPECT" value="0">
    <param name="BACKGROUNDCOLOR" value="#000000"><embed src="real.smi" type="audio/x-pn-realaudio-plugin" console="Console1" controls="ImageWindow" height="180" width="240" autostart="true"></OBJECT>4.rm格式
    代码片断如下:
    <OBJECT ID=video1 CLASSID="clsid:CFCDAA03-8BE4-11cf-B84B-0020AFBBCCFA" HEIGHT=288 WIDTH=352>
    <param name="_ExtentX" value="9313">
    <param name="_ExtentY" value="7620">
    <param name="AUTOSTART" value="0">
    <param name="SHUFFLE" value="0">
    <param name="PREFETCH" value="0">
    <param name="NOLABELS" value="0">
    <param name="SRC" value="rtsp://203.*.*.35/vod/dawan-a.rm">
    <param name="CONTROLS" value="ImageWindow">
    <param name="CONSOLE" value="Clip1">
    <param name="LOOP" value="0">
    <param name="NUMLOOP" value="0">
    <param name="CENTER" value="0">
    <param name="MAINTAINASPECT" value="0">
    <param name="BACKGROUNDCOLOR" value="#000000"><embed SRC type="audio/x-pn-realaudio-plugin" CONSOLE="Clip1" CONTROLS="ImageWindow" HEIGHT="288" WIDTH="352" AUTOSTART="false">
    </OBJECT>5.wmv格式
    代码片断如下:
    <object id="NSPlay" width=200 height=180 classid="CLSID:22d6f312-b0f6-11d0-94ab-0080c74c7e95" codebase="http://activex.microsoft.com/activex/controls/mplayer/en/nsmp2inf.cab#Version=6,4,5,715" standby="Loading Microsoft Windows Media Player components..." type="application/x-oleobject" align="right" hspace="5">
    <param name="AutoRewind" value=1>
    <param name="FileName" value="/blog/******.wmv">
    <param name="ShowControls" value="1">
    <param name="ShowPositionControls" value="0">
    <param name="ShowAudioControls" value="1">
    <param name="ShowTracker" value="0">
    <param name="ShowDisplay" value="0">
    <param name="ShowStatusBar" value="0">
    <param name="ShowGotoBar" value="0">
    <param name="ShowCaptioning" value="0">
    <param name="AutoStart" value=1>
    <param name="Volume" value="-2500">
    <param name="AnimationAtStart" value="0">
    <param name="TransparentAtStart" value="0">
    <param name="AllowChangeDisplaySize" value="0">
    <param name="AllowScan" value="0">
    <param name="EnableContextMenu" value="0">
    <param name="ClickToPlay" value="0">
    </object>