在 C# 中执行 msi 安装

msiexec.exe /qn

[DllImport(,CharSet = MsiSetInternalUI( dwUILevel,IntPtr phWnd);

NativeMethods.MsiSetInternalUI(,IntPtr.Zero)

[DllImport(,CharSet = MsiInstallUIHandler MsiSetExternalUI([MarshalAs(UnmanagedType.FunctionPtr)] MsiInstallUIHandler puiHandler,NativeMethods.InstallLogMode dwMessageFilter,IntPtr pvContext);

[DllImport(,CharSet = MsiInstallProduct([MarshalAs(UnmanagedType.LPWStr)] szPackagePath,[MarshalAs(UnmanagedType.LPWStr)] szCommandLine);

[DllImport(,CharSet = MsiEnableLog(GcMsiUtil.NativeMethods.InstallLogMode dwLogMode,[MarshalAs(UnmanagedType.LPWStr)] szLogFile, dwLogAttributes);

{
MyInstaller _installer = BackgroundWorker _installerBGWorker = _installer </span>= <span style="color: #0000ff"&gt;new</span><span style="color: #000000"&gt; MyInstaller(); _installerBGWorker.WorkerReportsProgress </span>= <span style="color: #0000ff"&gt;true</span><span style="color: #000000"&gt;; _installerBGWorker.WorkerSupportsCancellation </span>= <span style="color: #0000ff"&gt;true</span><span style="color: #000000"&gt;; _installerBGWorker.DoWork </span>+=<span style="color: #000000"&gt; _installerBGWorker_DoWork; _installerBGWorker.RunWorkerCompleted </span>+=<span style="color: #000000"&gt; _installerBGWorker_RunWorkerCompleted; _installerBGWorker.ProgressChanged </span>+=<span style="color: #000000"&gt; _installerBGWorker_ProgressChanged; </span><span style="color: #0000ff"&gt;this</span>.Shown +=<span style="color: #000000"&gt; InstallProcessForm_Shown; } </span><span style="color: #0000ff"&gt;private</span> <span style="color: #0000ff"&gt;void</span> InstallProcessForm_Shown(<span style="color: #0000ff"&gt;object</span><span style="color: #000000"&gt; sender,EventArgs e) { </span><span style="color: #008000"&gt;//</span><span style="color: #008000"&gt; 当窗口打开后就开始<a href="https://www.jb51.cc/tag/houtai/" target="_blank" class="keywords">后台</a>的安装</span>

<span style="color: #000000"> _installerBGWorker.RunWorkerAsync();
}

</span><span style="color: #0000ff"&gt;private</span> <span style="color: #0000ff"&gt;void</span> _installerBGWorker_ProgressChanged(<span style="color: #0000ff"&gt;object</span><span style="color: #000000"&gt; sender,ProgressChangedEventArgs e)
{
    </span><span style="color: #008000"&gt;//</span><span style="color: #008000"&gt; 消息通过 e.UserState 传回，并通过label<a href="https://www.jb51.cc/tag/xianshi/" target="_blank" class="keywords">显示</a>在窗口上</span>
    <span style="color: #0000ff"&gt;string</span> message =<span style="color: #000000"&gt; e.UserState.ToString();
    </span><span style="color: #0000ff"&gt;this</span>.label1.Text =<span style="color: #000000"&gt; message;
    </span><span style="color: #0000ff"&gt;if</span> (message == <span style="color: #800000"&gt;"</span><span style="color: #800000"&gt;正在取消安装 ...</span><span style="color: #800000"&gt;"</span><span style="color: #000000"&gt;)
    {
        </span><span style="color: #0000ff"&gt;this</span>.CancelButton.Enabled = <span style="color: #0000ff"&gt;false</span><span style="color: #000000"&gt;;
    }
}

</span><span style="color: #0000ff"&gt;private</span> <span style="color: #0000ff"&gt;void</span> _installerBGWorker_RunWorkerCompleted(<span style="color: #0000ff"&gt;object</span><span style="color: #000000"&gt; sender,RunWorkerCompletedEventArgs e)
{
    </span><span style="color: #008000"&gt;//</span><span style="color: #008000"&gt; 安装过程结束</span>

<span style="color: #000000"> }

</span><span style="color: #0000ff"&gt;private</span> <span style="color: #0000ff"&gt;void</span> _installerBGWorker_DoWork(<span style="color: #0000ff"&gt;object</span><span style="color: #000000"&gt; sender,DoWorkEventArgs e)
{
    BackgroundWorker bgWorker </span>= sender <span style="color: #0000ff"&gt;as</span><span style="color: #000000"&gt; BackgroundWorker;

    </span><span style="color: #008000"&gt;//</span><span style="color: #008000"&gt; 开始执行安装<a href="https://www.jb51.cc/tag/fangfa/" target="_blank" class="keywords">方法</a></span>
    _installer = <span style="color: #0000ff"&gt;new</span><span style="color: #000000"&gt; MyInstaller();
    </span><span style="color: #0000ff"&gt;string</span> msiFilePath = <span style="color: #800000"&gt;"</span><span style="color: #800000"&gt;xxx.msi</span><span style="color: #800000"&gt;"</span>; <span style="color: #008000"&gt;//</span><span style="color: #008000"&gt; msi file path</span>

<span style="color: #000000"> _installer.Install(bgWorker,msiFilePath);
}

</span><span style="color: #0000ff"&gt;private</span> <span style="color: #0000ff"&gt;void</span> CancelButton_Click(<span style="color: #0000ff"&gt;object</span><span style="color: #000000"&gt; sender,EventArgs e)
{
    _installer.Canceled </span>= <span style="color: #0000ff"&gt;true</span><span style="color: #000000"&gt;;
 _installerBGWorker.CancelAsync();
}

</span><span style="color: #0000ff"&gt;public</span> <span style="color: #0000ff"&gt;bool</span> Canceled { <span style="color: #0000ff"&gt;get</span>; <span style="color: #0000ff"&gt;set</span><span style="color: #000000"&gt;; }

</span><span style="color: #0000ff"&gt;public</span> <span style="color: #0000ff"&gt;void</span> Install(BackgroundWorker bgWorker,<span style="color: #0000ff"&gt;string</span><span style="color: #000000"&gt; msiFileName)
{
    _bgWorker </span>=<span style="color: #000000"&gt; bgWorker;

    NativeMethods.MyMsiInstallUIHandler oldHandler </span>= <span style="color: #0000ff"&gt;null</span><span style="color: #000000"&gt;;
    </span><span style="color: #0000ff"&gt;try</span><span style="color: #000000"&gt;
    {
        </span><span style="color: #0000ff"&gt;string</span> logPath = <span style="color: #800000"&gt;"</span><span style="color: #800000"&gt;test.log</span><span style="color: #800000"&gt;"</span><span style="color: #000000"&gt;;
        NativeMethods.MsiEnableLog(NativeMethods.LogMode.Verbose,logPath,</span><span style="color: #800080"&gt;0u</span><span style="color: #000000"&gt;);
        NativeMethods.MsiSetInternalUI(</span><span style="color: #800080"&gt;2</span><span style="color: #000000"&gt;,IntPtr.Zero);

        oldHandler </span>= NativeMethods.MsiSetExternalUI(<span style="color: #0000ff"&gt;new</span><span style="color: #000000"&gt; NativeMethods.MyMsiInstallUIHandler(MsiProgressHandler),NativeMethods.LogMode.ExternalUI,IntPtr.Zero);
        </span><span style="color: #0000ff"&gt;string</span> param = <span style="color: #800000"&gt;"</span><span style="color: #800000"&gt;ACTION=INSTALL</span><span style="color: #800000"&gt;"</span><span style="color: #000000"&gt;;
        _bgWorker.ReportProgress(</span><span style="color: #800080"&gt;0</span>,<span style="color: #800000"&gt;"</span><span style="color: #800000"&gt;正在安装 xxx ...</span><span style="color: #800000"&gt;"</span><span style="color: #000000"&gt;);
        NativeMethods.MsiInstallProduct(msiFileName,param);
    }
    </span><span style="color: #0000ff"&gt;catch</span><span style="color: #000000"&gt;(Exception e)
    {
        </span><span style="color: #008000"&gt;//</span><span style="color: #008000"&gt; todo</span>

<span style="color: #000000"> }
<span style="color: #0000ff">finally<span style="color: #000000">
{
<span style="color: #008000">//<span style="color: #008000"> 一定要把默认的handler设回去。
<span style="color: #0000ff">if(oldHandler != <span style="color: #0000ff">null<span style="color: #000000">)
{
NativeMethods.MsiSetExternalUI(oldHandler,NativeMethods.LogMode.None,IntPtr.Zero);
}
}
}

</span><span style="color: #008000"&gt;//</span><span style="color: #008000"&gt;最重要的就是这个<a href="https://www.jb51.cc/tag/fangfa/" target="_blank" class="keywords">方法</a>了，这里仅演示了如何cancel一个安装，更多详情请参考MSDN文档</span>
<span style="color: #0000ff"&gt;private</span> <span style="color: #0000ff"&gt;int</span> MsiProgressHandler(IntPtr context,<span style="color: #0000ff"&gt;int</span> messageType,<span style="color: #0000ff"&gt;string</span><span style="color: #000000"&gt; message)
{
    </span><span style="color: #0000ff"&gt;if</span> (<span style="color: #0000ff"&gt;this</span><span style="color: #000000"&gt;.Canceled)
    {
        </span><span style="color: #0000ff"&gt;if</span> (_bgWorker != <span style="color: #0000ff"&gt;null</span><span style="color: #000000"&gt;)
        {
            _bgWorker.ReportProgress(</span><span style="color: #800080"&gt;0</span>,<span style="color: #800000"&gt;"</span><span style="color: #800000"&gt;正在取消安装 ...</span><span style="color: #800000"&gt;"</span><span style="color: #000000"&gt;);
        }
        </span><span style="color: #008000"&gt;//</span><span style="color: #008000"&gt; 这个返回值会告诉msi,cancel当前的安装</span>
        <span style="color: #0000ff"&gt;return</span> <span style="color: #800080"&gt;2</span><span style="color: #000000"&gt;;
    }
    </span><span style="color: #0000ff"&gt;return</span> <span style="color: #800080"&gt;1</span><span style="color: #000000"&gt;;
}

}

<span style="color: #0000ff">internal <span style="color: #0000ff">static <span style="color: #0000ff">class<span style="color: #000000"> NativeMethods
{
[DllImport(<span style="color: #800000">"<span style="color: #800000">msi.dll<span style="color: #800000">",CharSet =<span style="color: #000000"> CharSet.Auto)]
<span style="color: #0000ff">internal <span style="color: #0000ff">static <span style="color: #0000ff">extern <span style="color: #0000ff">int MsiSetInternalUI(<span style="color: #0000ff">int<span style="color: #000000"> dwUILevel,IntPtr phWnd);

[DllImport(</span><span style="color: #800000"&gt;"</span><span style="color: #800000"&gt;msi.dll</span><span style="color: #800000"&gt;"</span>,CharSet =<span style="color: #000000"&gt; CharSet.Auto)]
</span><span style="color: #0000ff"&gt;internal</span> <span style="color: #0000ff"&gt;static</span> <span style="color: #0000ff"&gt;extern</span><span style="color: #000000"&gt; MyMsiInstallUIHandler MsiSetExternalUI([MarshalAs(UnmanagedType.FunctionPtr)] MyMsiInstallUIHandler puiHandler,NativeMethods.LogMode dwMessageFilter,IntPtr pvContext);

[DllImport(</span><span style="color: #800000"&gt;"</span><span style="color: #800000"&gt;msi.dll</span><span style="color: #800000"&gt;"</span>,CharSet =<span style="color: #000000"&gt; CharSet.Auto)]
</span><span style="color: #0000ff"&gt;internal</span> <span style="color: #0000ff"&gt;static</span> <span style="color: #0000ff"&gt;extern</span> <span style="color: #0000ff"&gt;uint</span> MsiInstallProduct([MarshalAs(UnmanagedType.LPWStr)] <span style="color: #0000ff"&gt;string</span> szPackagePath,[MarshalAs(UnmanagedType.LPWStr)] <span style="color: #0000ff"&gt;string</span><span style="color: #000000"&gt; szCommandLine);

[DllImport(</span><span style="color: #800000"&gt;"</span><span style="color: #800000"&gt;msi.dll</span><span style="color: #800000"&gt;"</span>,CharSet =<span style="color: #000000"&gt; CharSet.Auto)]
</span><span style="color: #0000ff"&gt;internal</span> <span style="color: #0000ff"&gt;static</span> <span style="color: #0000ff"&gt;extern</span> <span style="color: #0000ff"&gt;uint</span> MsiEnableLog(NativeMethods.LogMode dwLogMode,<span style="color: #0000ff"&gt;uint</span><span style="color: #000000"&gt; dwLogAttributes);

</span><span style="color: #0000ff"&gt;internal</span> <span style="color: #0000ff"&gt;delegate</span> <span style="color: #0000ff"&gt;int</span> MyMsiInstallUIHandler(IntPtr context,[MarshalAs(UnmanagedType.LPWStr)] <span style="color: #0000ff"&gt;string</span><span style="color: #000000"&gt; message);

[Flags]
</span><span style="color: #0000ff"&gt;internal</span> <span style="color: #0000ff"&gt;enum</span> LogMode : <span style="color: #0000ff"&gt;uint</span><span style="color: #000000"&gt;
{
    None </span>= <span style="color: #800080"&gt;0u</span><span style="color: #000000"&gt;,Verbose </span>= <span style="color: #800080"&gt;4096u</span><span style="color: #000000"&gt;,ExternalUI </span>= <span style="color: #800080"&gt;20239u</span><span style="color: #000000"&gt;
}

}

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