调用API获取系统信息代码,CSharp代码库,德仔网

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【CSharp】调用API获取系统信息
作者:Dezai.CN / 发布于2011/4/26/ 588
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首先定义外部API导入DLL
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            <td class="number">1</td>
            <td class="content">"csharp plain">[DllImport("csharp string"><font color="#0000ff">"kernel32"</font>"csharp plain">)]</td>
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            <td class="number">2</td>
            <td class="content">"csharp keyword"><strong><font color="#006699">public</font></strong> "csharp keyword"><strong><font color="#006699">static</font></strong> "csharp keyword"><strong><font color="#006699">extern</font></strong> "csharp keyword"><strong><font color="#006699">void</font></strong> "csharp plain">GetSystemInfo("csharp keyword"><strong><font color="#006699">ref</font></strong> "csharp plain">CPU_INFO cpuinfo);</td>
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            <td class="number">3</td>
            <td class="content">"csharp plain">[DllImport("csharp string"><font color="#0000ff">"kernel32"</font>"csharp plain">)]</td>
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            <td class="number">4</td>
            <td class="content">"csharp keyword"><strong><font color="#006699">public</font></strong> "csharp keyword"><strong><font color="#006699">static</font></strong> "csharp keyword"><strong><font color="#006699">extern</font></strong> "csharp keyword"><strong><font color="#006699">void</font></strong> "csharp plain">GlobalMemoryStatus("csharp keyword"><strong><font color="#006699">ref</font></strong> "csharp plain">MEMORY_INFO meminfo);</td>
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结构体定义
MEMORY_INFO
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            <td class="number">01</td>
            <td class="content">"csharp plain">[StructLayout( LayoutKind.Sequential)]</td>
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            <td class="number">02</td>
            <td class="content">"csharp keyword"><strong><font color="#006699">public</font></strong> "csharp keyword"><strong><font color="#006699">struct</font></strong> "csharp plain">MEMORY_INFO</td>
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            <td class="number">03</td>
            <td class="content">"csharp plain">{</td>
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            <td class="number">04</td>
            <td class="content">"csharp keyword"><strong><font color="#006699">public</font></strong> "csharp keyword"><strong><font color="#006699">uint</font></strong> "csharp plain">dwLength;</td>
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            <td class="number">05</td>
            <td class="content">"csharp color1"><font color="#808080">/// <summary></font></td>
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            <td class="number">06</td>
            <td class="content">"csharp color1"><font color="#808080">/// 被使用内存(百分率)</font></td>
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            <td class="number">07</td>
            <td class="content">"csharp color1"><font color="#808080">/// </summary></font></td>
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            <td class="number">08</td>
            <td class="content">"csharp keyword"><strong><font color="#006699">public</font></strong> "csharp keyword"><strong><font color="#006699">uint</font></strong> "csharp plain">dwMemoryLoad;</td>
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            <td class="number">09</td>
            <td class="content">"csharp color1"><font color="#808080">/// <summary></font></td>
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            <td class="number">10</td>
            <td class="content">"csharp color1"><font color="#808080">/// 物理内存(字节)</font></td>
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            <td class="number">11</td>
            <td class="content">"csharp color1"><font color="#808080">/// </summary></font></td>
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            <td class="number">12</td>
            <td class="content">"csharp keyword"><strong><font color="#006699">public</font></strong> "csharp keyword"><strong><font color="#006699">uint</font></strong> "csharp plain">dwTotalPhys;</td>
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            <td class="number">13</td>
            <td class="content">"csharp color1"><font color="#808080">/// <summary></font></td>
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            <td class="number">14</td>
            <td class="content">"csharp color1"><font color="#808080">/// 可使用的物理内存(字节)</font></td>
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            <td class="number">15</td>
            <td class="content">"csharp color1"><font color="#808080">/// </summary></font></td>
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            <td class="number">16</td>
            <td class="content">"csharp keyword"><strong><font color="#006699">public</font></strong> "csharp keyword"><strong><font color="#006699">uint</font></strong> "csharp plain">dwAvailPhys;</td>
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            <td class="number">17</td>
            <td class="content">"csharp color1"><font color="#808080">/// <summary></font></td>
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            <td class="number">18</td>
            <td class="content">"csharp color1"><font color="#808080">/// 交换文件总大小(字节)</font></td>
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            <td class="number">19</td>
            <td class="content">"csharp color1"><font color="#808080">/// </summary></font></td>
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            <td class="number">20</td>
            <td class="content">"csharp keyword"><strong><font color="#006699">public</font></strong> "csharp keyword"><strong><font color="#006699">uint</font></strong> "csharp plain">dwTotalPageFile;</td>
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            <td class="number">21</td>
            <td class="content">"csharp color1"><font color="#808080">/// <summary></font></td>
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            <td class="number">22</td>
            <td class="content">"csharp color1"><font color="#808080">/// 尚可交换文件大小(字节)</font></td>
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            <td class="number">23</td>
            <td class="content">"csharp color1"><font color="#808080">/// </summary></font></td>
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            <td class="number">24</td>
            <td class="content">"csharp keyword"><strong><font color="#006699">public</font></strong> "csharp keyword"><strong><font color="#006699">uint</font></strong> "csharp plain">dwAvailPageFile;</td>
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            <td class="number">25</td>
            <td class="content">"csharp color1"><font color="#808080">/// <summary></font></td>
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            <td class="number">26</td>
            <td class="content">"csharp color1"><font color="#808080">/// 总虚拟内存(字节)</font></td>
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            <td class="number">27</td>
            <td class="content">"csharp color1"><font color="#808080">/// </summary></font></td>
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            <td class="number">28</td>
            <td class="content">"csharp keyword"><strong><font color="#006699">public</font></strong> "csharp keyword"><strong><font color="#006699">uint</font></strong> "csharp plain">dwTotalVirtual;</td>
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            <td class="number">29</td>
            <td class="content">"csharp color1"><font color="#808080">/// <summary></font></td>
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            <td class="number">30</td>
            <td class="content">"csharp color1"><font color="#808080">/// 未用虚拟内存(字节)</font></td>
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            <td class="number">31</td>
            <td class="content">"csharp color1"><font color="#808080">/// </summary></font></td>
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            <td class="number">32</td>
            <td class="content">"csharp keyword"><strong><font color="#006699">public</font></strong> "csharp keyword"><strong><font color="#006699">uint</font></strong> "csharp plain">dwAvailVirtual; </td>
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            <td class="number">33</td>
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            <td class="number">34</td>
            <td class="content">"csharp plain">}</td>
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CPU_INFO
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            <td class="number">01</td>
            <td class="content">"csharp plain">[StructLayout(LayoutKind.Sequential)]</td>
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            <td class="number">02</td>
            <td class="content">"csharp keyword"><strong><font color="#006699">public</font></strong> "csharp keyword"><strong><font color="#006699">struct</font></strong> "csharp plain">CPU_INFO</td>
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            <td class="number">03</td>
            <td class="content">"csharp plain">{</td>
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            <td class="number">04</td>
            <td class="content">"csharp color1"><font color="#808080">/// <summary></font></td>
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            <td class="number">05</td>
            <td class="content">"csharp color1"><font color="#808080">/// CPU的OEM_ID</font></td>
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            <td class="number">06</td>
            <td class="content">"csharp color1"><font color="#808080">/// </summary></font></td>
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            <td class="number">07</td>
            <td class="content">"csharp keyword"><strong><font color="#006699">public</font></strong> "csharp keyword"><strong><font color="#006699">uint</font></strong> "csharp plain">dwOemId;</td>
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            <td class="number">08</td>
            <td class="content">"csharp color1"><font color="#808080">/// <summary></font></td>
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            <td class="number">09</td>
            <td class="content">"csharp color1"><font color="#808080">/// CPU中的页面大小</font></td>
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            <td class="number">10</td>
            <td class="content">"csharp color1"><font color="#808080">/// </summary></font></td>
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            <td class="number">11</td>
            <td class="content">"csharp keyword"><strong><font color="#006699">public</font></strong> "csharp keyword"><strong><font color="#006699">uint</font></strong> "csharp plain">dwPageSize;</td>
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            <td class="number">12</td>
            <td class="content">"csharp color1"><font color="#808080">/// <summary></font></td>
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            <td class="number">13</td>
            <td class="content">"csharp color1"><font color="#808080">/// 最小地址</font></td>
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            <td class="number">14</td>
            <td class="content">"csharp color1"><font color="#808080">/// </summary></font></td>
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            <td class="number">15</td>
            <td class="content">"csharp keyword"><strong><font color="#006699">public</font></strong> "csharp keyword"><strong><font color="#006699">uint</font></strong> "csharp plain">lpMinimumApplicationAddress;</td>
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            <td class="number">16</td>
            <td class="content">"csharp color1"><font color="#808080">/// <summary></font></td>
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            <td class="number">17</td>
            <td class="content">"csharp color1"><font color="#808080">/// 最大地址</font></td>
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            <td class="number">18</td>
            <td class="content">"csharp color1"><font color="#808080">/// </summary></font></td>
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            <td class="number">19</td>
            <td class="content">"csharp keyword"><strong><font color="#006699">public</font></strong> "csharp keyword"><strong><font color="#006699">uint</font></strong> "csharp plain">lpMaximumApplicationAddress;</td>
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            <td class="number">20</td>
            <td class="content"></td>
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            <td class="number">21</td>
            <td class="content">"csharp keyword"><strong><font color="#006699">public</font></strong> "csharp keyword"><strong><font color="#006699">uint</font></strong> "csharp plain">dwActiveProcessorMask;</td>
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            <td class="number">22</td>
            <td class="content">"csharp color1"><font color="#808080">/// <summary></font></td>
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            <td class="number">23</td>
            <td class="content">"csharp color1"><font color="#808080">/// CPU个数</font></td>
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            <td class="number">24</td>
            <td class="content">"csharp color1"><font color="#808080">/// </summary></font></td>
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            <td class="number">25</td>
            <td class="content">"csharp keyword"><strong><font color="#006699">public</font></strong> "csharp keyword"><strong><font color="#006699">uint</font></strong> "csharp plain">dwNumberOfProcessors;</td>
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            <td class="number">26</td>
            <td class="content">"csharp color1"><font color="#808080">/// <summary></font></td>
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            <td class="number">27</td>
            <td class="content">"csharp color1"><font color="#808080">/// CPU的类型</font></td>
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            <td class="number">28</td>
            <td class="content">"csharp color1"><font color="#808080">/// </summary></font></td>
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            <td class="number">29</td>
            <td class="content">"csharp keyword"><strong><font color="#006699">public</font></strong> "csharp keyword"><strong><font color="#006699">uint</font></strong> "csharp plain">dwProcessorType;</td>
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            <td class="number">30</td>
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            <td class="number">31</td>
            <td class="content">"csharp keyword"><strong><font color="#006699">public</font></strong> "csharp keyword"><strong><font color="#006699">uint</font></strong> "csharp plain">dwAllocationGranularity;</td>
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            <td class="number">32</td>
            <td class="content">"csharp color1"><font color="#808080">/// <summary></font></td>
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            <td class="number">33</td>
            <td class="content">"csharp color1"><font color="#808080">/// CPU等级</font></td>
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            <td class="number">34</td>
            <td class="content">"csharp color1"><font color="#808080">/// </summary></font></td>
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            <td class="number">35</td>
            <td class="content">"csharp keyword"><strong><font color="#006699">public</font></strong> "csharp keyword"><strong><font color="#006699">uint</font></strong> "csharp plain">dwProcessorLevel;</td>
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            <td class="number">36</td>
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            <td class="number">37</td>
            <td class="content">"csharp keyword"><strong><font color="#006699">public</font></strong> "csharp keyword"><strong><font color="#006699">uint</font></strong> "csharp plain">dwProcessorRevision; </td>
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            <td class="number">38</td>
            <td class="content">"csharp plain">}</td>
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<div class="toolbar"><a style="width: 16px; height: 16px" class="item viewSource" title="view source" href="http://www.cnblogs.com/NatureSex/archive/2011/04/26/2029117.html#viewSource">view source</a><a style="width: 16px; height: 16px" class="item printSource" title="print" href="http://www.cnblogs.com/NatureSex/archive/2011/04/26/2029117.html#printSource">print</a><a style="width: 16px; height: 16px" class="item about" title="?" href="http://www.cnblogs.com/NatureSex/archive/2011/04/26/2029117.html#about">?</a></div>
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            <td class="number">01</td>
            <td class="content">"csharp comments"><font color="#008200">//调用GetSystemInfo函数获取CPU的相关信息</font></td>
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            <td class="number">02</td>
            <td class="content">"csharp plain">CPU_INFO CpuInfo;</td>
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            <td class="number">03</td>
            <td class="content">"csharp plain">CpuInfo = "csharp keyword"><strong><font color="#006699">new</font></strong> "csharp plain">CPU_INFO();</td>
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            <td class="number">04</td>
            <td class="content">"csharp plain">GetSystemInfo("csharp keyword"><strong><font color="#006699">ref</font></strong> "csharp plain">CpuInfo);</td>
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            <td class="number">05</td>
            <td class="content">"csharp plain">Console.WriteLine("csharp string"><font color="#0000ff">"本计算机中有"</font> "csharp plain">+ CpuInfo.dwNumberOfProcessors.ToString() + "csharp string"><font color="#0000ff">"个CPU"</font>"csharp plain">);</td>
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            <td class="number">06</td>
            <td class="content">"csharp plain">Console.WriteLine("csharp string"><font color="#0000ff">"CPU的类型为"</font> "csharp plain">+ CpuInfo.dwProcessorType.ToString());</td>
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            <td class="number">07</td>
            <td class="content">"csharp plain">Console.WriteLine("csharp string"><font color="#0000ff">"CPU等级为"</font> "csharp plain">+ CpuInfo.dwProcessorLevel.ToString());</td>
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            <td class="number">08</td>
            <td class="content">"csharp plain">Console.WriteLine("csharp string"><font color="#0000ff">"CPU的OEM ID为"</font> "csharp plain">+ CpuInfo.dwOemId.ToString());</td>
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            <td class="number">09</td>
            <td class="content">"csharp plain">Console.WriteLine("csharp string"><font color="#0000ff">"CPU中的页面大小为"</font> "csharp plain">+ CpuInfo.dwPageSize.ToString());</td>
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            <td class="number">10</td>
            <td class="content">"csharp plain">Console.WriteLine("csharp string"><font color="#0000ff">""</font> "csharp plain">+ CpuInfo.dwActiveProcessorMask.ToString());</td>
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            <td class="number">11</td>
            <td class="content">"csharp plain">Console.WriteLine("csharp string"><font color="#0000ff">""</font> "csharp plain">+ CpuInfo.dwAllocationGranularity.ToString());</td>
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            <td class="number">12</td>
            <td class="content">"csharp plain">Console.WriteLine("csharp string"><font color="#0000ff">""</font> "csharp plain">+ CpuInfo.dwProcessorRevision.ToString());</td>
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            <td class="number">13</td>
            <td class="content">"csharp plain">Console.WriteLine("csharp string"><font color="#0000ff">""</font> "csharp plain">+ CpuInfo.lpMaximumApplicationAddress.ToString());</td>
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            <td class="number">14</td>
            <td class="content">"csharp plain">Console.WriteLine("csharp string"><font color="#0000ff">""</font> "csharp plain">+ CpuInfo.lpMinimumApplicationAddress.ToString());</td>
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            <td class="number">15</td>
            <td class="content">"csharp comments"><font color="#008200">//调用GlobalMemoryStatus函数获取内存的相关信息</font></td>
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            <td class="number">16</td>
            <td class="content">"csharp plain">MEMORY_INFO MemInfo;</td>
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            <td class="number">17</td>
            <td class="content">"csharp plain">MemInfo = "csharp keyword"><strong><font color="#006699">new</font></strong> "csharp plain">MEMORY_INFO();</td>
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            <td class="number">18</td>
            <td class="content">"csharp plain">GlobalMemoryStatus("csharp keyword"><strong><font color="#006699">ref</font></strong> "csharp plain">MemInfo);</td>
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            <td class="number">19</td>
            <td class="content">"csharp comments"><font color="#008200">//感觉的这个使用率有点假</font></td>
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            <td class="number">20</td>
            <td class="content">"csharp plain">Console.WriteLine(MemInfo.dwMemoryLoad.ToString() + "csharp string"><font color="#0000ff">"%的内存正在使用"</font>"csharp plain">);</td>
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            <td class="number">21</td>
            <td class="content">"csharp plain">Console.WriteLine("csharp string"><font color="#0000ff">"物理内存共有"</font> "csharp plain">+ ((MemInfo.dwTotalPhys/1024)/1024).ToString() + "csharp string"><font color="#0000ff">"MB"</font>"csharp plain">);</td>
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            <td class="number">22</td>
            <td class="content">"csharp plain">Console.WriteLine("csharp string"><font color="#0000ff">"可使用的物理内存有"</font> "csharp plain">+ ((MemInfo.dwAvailPhys/1024)/1024).ToString() + "csharp string"><font color="#0000ff">"MB"</font>"csharp plain">);</td>
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            <td class="number">23</td>
            <td class="content">"csharp plain">Console.WriteLine("csharp string"><font color="#0000ff">"交换文件总大小为"</font> "csharp plain">+ ((MemInfo.dwTotalPageFile/1024)/1024).ToString() + "csharp string"><font color="#0000ff">"MB"</font>"csharp plain">);</td>
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            <td class="number">24</td>
            <td class="content">"csharp plain">Console.WriteLine("csharp string"><font color="#0000ff">"尚可交换文件大小为"</font> "csharp plain">+ ((MemInfo.dwAvailPageFile/1024)/1024).ToString() + "csharp string"><font color="#0000ff">"MB"</font>"csharp plain">);</td>
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            <td class="number">25</td>
            <td class="content">"csharp plain">Console.WriteLine("csharp string"><font color="#0000ff">"总虚拟内存有"</font> "csharp plain">+ ((MemInfo.dwTotalVirtual/1024)/1024).ToString() + "csharp string"><font color="#0000ff">"MB"</font>"csharp plain">);</td>
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            <td class="number">26</td>
            <td class="content">"csharp plain">Console.WriteLine("csharp string"><font color="#0000ff">"未用虚拟内存有"</font> "csharp plain">+ ((MemInfo.dwAvailVirtual/1024)/1024).ToString() + "csharp string"><font color="#0000ff">"MB"</font>"csharp plain">);</td>
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