new IntPtr(0)); //暂停mciSendString("stop myDivece"

时间:2022-03-27 09:18:39


1.首先导入如下两个函数:

/// <summary> /// 向媒体控制接口发送控制命令 /// </summary> /// <param>命令,参见 /// (v=vs.85).aspx </param> /// <param>命令返回的信息,,如果没有需要返回的信息可以为null</param> /// <param>指定返回信息的字符串巨细</param> /// <param>回调句柄,如果命令参数中没有指定notify标识,可以为new IntPtr(0)</param> /// <returns>返回命令执行状态的错误代码</returns> [DllImport("winmm.dll")] static extern Int32 mciSendString(string lpszCommand, StringBuilder returnString, int bufferSize, IntPtr hwndCallback); /// <summary> /// 返回对执行状态错误代码的描述 /// </summary> /// <param>mciSendCommand或者mciSendString返回的错误代码</param> /// <param>对错误代码的描述字符串</param> /// <param>指定字符串的巨细</param> /// <returns>如果ERROR Code未知,返回false</returns> [DllImport("winmm.dll")] static extern bool mciGetErrorString(Int32 errorCode, StringBuilder errorText, Int32 errorTextSize);


2.示例代码如下:

int error = mciSendString("open C:\\Users\\Angel\\Desktop\\123.wav alias myDivece", null, 0, new IntPtr(0)); if (error == 0) { mciSendString("play myDivece", null, 0, new IntPtr(0)); //播放 } else { StringBuilder errorText = new StringBuilder(); mciGetErrorString(error, errorText, 50); MessageBox.Show(errorText.ToString()); }


3.可以通过以下语句进行播放控制:

mciSendString("play myDivece", null, 0, new IntPtr(0)); //播放 mciSendString("pause myDivece", null, 0, new IntPtr(0)); //暂停 mciSendString("stop myDivece", null, 0, new IntPtr(0)); //遏制 mciSendString("close myDivece", null, 0, new IntPtr(0)); //*