using?System;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Data;
using?System.Drawing;
using?System.Linq;
using?System.Text;
using?System.Windows.Forms;
//引入命名空間
using?System.Runtime.InteropServices;

namespace?PC_ShengKa
{
????public?partial?class?Form1?:?Form
????{
????????public?Form1（）
????????{
????????????InitializeComponent（）;
????????}
????????//調用API函數
????????[DllImport（“winmm.dll“EntryPoint=“waveOutGetNumDevs“）]
????????public?static?extern?int?waveOutGetNumDevs（）;
????????private?void?button1_Click（object?sender?EventArgs?e）
????????{
????????????MessageBox.Show（waveOutGetNumDevs（）.ToString（））;
????????????//判斷是否存在聲卡
????????????if?（waveOutGetNumDevs（）!=0）?????
	????????{
		????????MessageBox.Show（“有聲卡!“）;
????????????????Form2?frm=new?Form2（）;
????????????????frm.ShowDialog（）;
????????????}
????????????else
	????????{
????????????????MessageBox.Show（“無聲卡！！！“）;
	????????}
????????}
????}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????13824??2010-06-21?15:07??聲卡的檢測\PC_ShengKa\bin\Debug\PC_ShengKa.exe

?????文件??????36352??2010-06-21?15:07??聲卡的檢測\PC_ShengKa\bin\Debug\PC_ShengKa.pdb

?????文件??????11600??2010-06-21?15:08??聲卡的檢測\PC_ShengKa\bin\Debug\PC_ShengKa.vshost.exe

?????文件????????490??2010-03-17?22:39??聲卡的檢測\PC_ShengKa\bin\Debug\PC_ShengKa.vshost.exe.manifest

?????文件???????1044??2010-06-21?15:01??聲卡的檢測\PC_ShengKa\Form1.cs

?????文件???????2127??2010-06-21?14:45??聲卡的檢測\PC_ShengKa\Form1.Designer.cs

?????文件???????5817??2010-06-21?14:45??聲卡的檢測\PC_ShengKa\Form1.resx

?????文件???????4172??2010-06-21?15:08??聲卡的檢測\PC_ShengKa\Form2.cs

?????文件??????10857??2010-06-21?15:01??聲卡的檢測\PC_ShengKa\Form2.Designer.cs

?????文件???????9694??2010-06-21?15:01??聲卡的檢測\PC_ShengKa\Form2.resx

?????文件???????2152??2010-06-21?14:42??聲卡的檢測\PC_ShengKa\obj\x86\Debug\DesignTimeResolveAssemblyReferences.cache

?????文件???????6235??2010-06-21?15:07??聲卡的檢測\PC_ShengKa\obj\x86\Debug\DesignTimeResolveAssemblyReferencesInput.cache

?????文件????????386??2010-06-21?15:07??聲卡的檢測\PC_ShengKa\obj\x86\Debug\GenerateResource.read.1.tlog

?????文件????????936??2010-06-21?15:07??聲卡的檢測\PC_ShengKa\obj\x86\Debug\GenerateResource.write.1.tlog

?????文件????????848??2010-06-21?15:08??聲卡的檢測\PC_ShengKa\obj\x86\Debug\PC_ShengKa.csproj.FileListAbsolute.txt

?????文件??????13824??2010-06-21?15:07??聲卡的檢測\PC_ShengKa\obj\x86\Debug\PC_ShengKa.exe

?????文件????????180??2010-06-21?14:59??聲卡的檢測\PC_ShengKa\obj\x86\Debug\PC_ShengKa.Form1.resources

?????文件????????180??2010-06-21?15:07??聲卡的檢測\PC_ShengKa\obj\x86\Debug\PC_ShengKa.Form2.resources

?????文件??????36352??2010-06-21?15:07??聲卡的檢測\PC_ShengKa\obj\x86\Debug\PC_ShengKa.pdb

?????文件????????180??2010-06-21?14:59??聲卡的檢測\PC_ShengKa\obj\x86\Debug\PC_ShengKa.Properties.Resources.resources

?????文件???????3983??2010-06-21?14:59??聲卡的檢測\PC_ShengKa\PC_ShengKa.csproj

?????文件????????491??2010-06-21?14:42??聲卡的檢測\PC_ShengKa\Program.cs

?????文件???????1352??2010-06-21?14:42??聲卡的檢測\PC_ShengKa\Properties\AssemblyInfo.cs

?????文件???????2868??2010-06-21?14:42??聲卡的檢測\PC_ShengKa\Properties\Resources.Designer.cs

?????文件???????5612??2010-06-21?14:42??聲卡的檢測\PC_ShengKa\Properties\Resources.resx

?????文件???????1093??2010-06-21?14:42??聲卡的檢測\PC_ShengKa\Properties\Settings.Designer.cs

?????文件????????249??2010-06-21?14:42??聲卡的檢測\PC_ShengKa\Properties\Settings.settings

?????文件????????872??2010-06-21?14:42??聲卡的檢測\PC_ShengKa.sln

????..A..H.?????18432??2010-06-21?15:08??聲卡的檢測\PC_ShengKa.suo

?????目錄??????????0??2010-06-21?14:42??聲卡的檢測\PC_ShengKa\obj\x86\Debug\TempPE

............此處省略11個文件信息