Win32 API 声明C#版 谁有吗,请发一份?

Question

谢谢
[email protected]

Answer 1

你可以去www.pinvoke.net去查询相关的api函数。

Answer 2

[email protected] 我也要一份

Answer 3

[DllImport("winmm.dll")]
static extern Int32 mciGetErrorString(Int32 errorCode,
   StringBuilder errorText, Int32 errorTextSize);[DllImport("winmm.dll")]
static extern Int32 mciSendString(String command,
   StringBuilder buffer, Int32 bufferSize, IntPtr hwndCallback);[DllImport("winmm.dll")]
extern static Int32 midiStreamClose(IntPtr hMidiStream);[DllImport("winmm.dll")]
extern static Int32 midiStreamOpen(ref IntPtr hMidiStream, ref Int32 puDeviceID, Int32 cMidi, IntPtr dwCallback, IntPtr dwInstance, Int32 fdwOpen);[DllImport("winmm.dll")]
static extern TODO midiStreamOut(TODO);[DllImport("winmm.dll")]
static extern Int32 midiStreamPause(IntPtr hMidiStream);[DllImport("winmm.dll")]
static extern TODO midiStreamPosition(TODO);[DllImport("winmm.dll")]
static extern TODO midiStreamProperty(TODO);[DllImport("winmm.dll")]
static extern Int32 midiStreamRestart(IntPtr hMidiStream);[DllImport("winmm.dll")]
static extern Int32 midiStreamStop(IntPtr hMidiStream);[DllImport("winmm.dll")]
static extern Int32 mixerClose(IntPtr hmx);[DllImport("winmm.dll")]
static extern Int32 mixerGetControlDetails(IntPtr hmxobj,
   ref MixerControlDetails pmxcd, UInt32 fdwDetailsmixer);[DllImport("winmm.dll")]
static extern Int32 mixerGetLineControls(IntPtr hmxobj,
   ref MIXERLINECONTROLS pmxlc, UInt32 fdwControls);[DllImport("winmm.dll")]
static extern Int32 mixerGetLineInfo(IntPtr hmxobj,
   ref MIXERLINE pmxl, UInt32 fdwInfo);[DllImport("winmm.dll", SetLastError=true)]
static extern uint mixerGetNumDevs();[DllImport("winmm.dll")]
static extern Int32 mixerOpen(ref IntPtr phmx, uint pMxId,
   IntPtr dwCallback, IntPtr dwInstance, UInt32 fdwOpen);[DllImport("winmm.dll")]
static extern Int32 mixerSetControlDetails(IntPtr hmxobj,
   ref MixerControlDetails pmxcd, UInt32 fdwDetails);[DllImport("winmm.dll", SetLastError=true)]
static extern bool PlaySound(string pszSound,
   System.UIntPtr hmod, uint fdwSound);/// <summary>
/// Play Sound in bytes
/// </summary>
/// <param name="pszSound">Wave File Data</param>
/// <param name="hmod"></param>
/// <param name="dwFlag">Play Flag</param>
/// <returns>succeed return true</returns>
[DllImport("winmm.dll", SetLastError=true)]
public static extern bool PlaySound(byte[] pszSound, IntPtr hmod, SoundFlags dwFlag);///If you want to test with Button_Click() ,below code is show
[System.Runtime.InteropServices.DllImport("winmm.dll", SetLastError=true)]
static extern bool PlaySound(string pszSound,System.UIntPtr hmod, uint fdwSound);private void button2_Click(object sender, System.EventArgs e)
{
  UIntPtr ip = UIntPtr.Zero;
  bool result = 
    PlaySound(
     @"C:\Documents and Settings\All Users\Documents\My Music\Sample Music\New Stories (Highway Blues).wma"
     ,ip
     ,0);
}[Flags]
    public enum SoundFlags : int
    {
        SND_SYNC = 0x0000,            // play synchronously (default)
        SND_ASYNC = 0x0001,        // play asynchronously
        SND_NODEFAULT = 0x0002,        // silence (!default) if sound not found
        SND_MEMORY = 0x0004,        // pszSound points to a memory file
        SND_LOOP = 0x0008,            // loop the sound until next sndPlaySound
        SND_NOSTOP = 0x0010,        // don't stop any currently playing sound
            /// <summary>
            /// Stop Playing Wave
            /// </summary>
            SND_PURGE = 0x40,
        SND_NOWAIT = 0x00002000,        // don't wait if the driver is busy
        SND_ALIAS = 0x00010000,        // name is a registry alias
        SND_ALIAS_ID = 0x00110000,        // alias is a predefined id
        SND_FILENAME = 0x00020000,        // name is file name
        SND_RESOURCE = 0x00040004        // name is resource name or atom
    }
    public static void Play (string strFileName)
    {
        PlaySound (strFileName, UIntPtr.Zero, (uint)(SoundFlags.SND_FILENAME | SoundFlags.SND_ASYNC));
    }    public static void Play (byte[] waveData)
    {
        PlaySound (waveData, IntPtr.Zero, PlayFlags.SND_ASYNC | PlayFlags.SND_MEMORY);
    }[DllImport("winmm.dll", EntryPoint="timeBeginPeriod")]
public static extern uint MM_BeginPeriod(uint uMilliseconds);static void Main(string[] args)
{
  StreamWriter oWriter = null;
  MM_BeginPeriod(1); // set timer resolution to 1ms => freq=1000Hz  try
  {
    oWriter = new StreamWriter(@"ticks.txt");
    // tickcount has resolution of 16.5ms, mmtime has 1ms
    for(int nLoop = 0; nLoop < 100000; nLoop++)
      oWriter.WriteLine("{0}: TickCount={1}, MMTime={2}", nLoop, Environment.TickCount, MM_GetTime());
  }
  catch(IOException oException)
  {
    Console.WriteLine(oException.Message);
  }
  finally
  {
    if(oWriter != null)
      oWriter.Close();
  }  MM_EndPeriod(1);
}[DllImport("winmm.dll", EntryPoint="timeEndPeriod")]
public static extern uint MM_EndPeriod(uint uMilliseconds);[DllImport("winmm.dll", SetLastError=true)]
static extern UInt32 timeGetDevCaps( ref TimeCaps timeCaps,
            UInt32 sizeTimeCaps );[DllImport("winmm.dll", SetLastError=true)]
static extern UInt32 timeGetSystemTime( ref MmTime mmTime, UInt32 sizeMmTime );[DllImport("winmm.dll", EntryPoint="timeGetTime")]
public static extern uint MM_GetTime();[DllImport("winmm.dll", SetLastError=true)]
static extern UInt32 timeKillEvent( UInt32 timerEventId );[DllImport("winmm.dll", SetLastError=true)]
static extern UInt32 timeSetEvent( UInt32 msDelay, UInt32 msResolution,
            TimerEventHandler handler, ref UInt32 userCtx, UInt32 eventType );[DllImport("winmm.dll", SetLastError=true)]
static extern TODO waveInGetNumDevs(TODO);[DllImport("winmm.dll", SetLastError=true)]
static extern uint waveOutGetNumDevs();[DllImport("winmm.dll", SetLastError=true, CallingConvention=CallingConvention.Winapi)]
public static extern int waveOutSetVolume(int uDeviceID, int dwVolume);