从 C# 中的 msi 文件中获取产品名称
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Get product name from msi file in C#
提问by
I have an msi file that installs an application. I need to know the product name of that application beforethe installation starts.
我有一个安装应用程序的 msi 文件。在安装开始之前，我需要知道该应用程序的产品名称。
I tried the following:
我尝试了以下方法：
{
...
Type type = Type.GetType("Windows.Installer");
WindowsInstaller.Installer installer = (WindowsInstaller.Installer)
Activator.CreateInstance(type);
installer.OpenDatabase(msiFile, 0); //this is my guess to pass in the msi file name...
...
}
but now? Type is null, which throws me an error. And where do I pass in the name of the MSI file?
但现在？类型为null，这会引发错误。我在哪里传递 MSI 文件的名称？
Thanks for any hints & comments.
感谢您的任何提示和评论。
回答by Roger Lipscombe
Where did you get the "Windows.Installer" stuff from?
你从哪里得到“Windows.Installer”的东西？
...because:
...因为：
Type.GetTypetakes a .NET type name, not a COM ProgId.- Windows Installer (at least on Windows 2003) doesn't have a ProgId.
Type.GetType采用 .NET 类型名称，而不是 COM ProgId。- Windows Installer（至少在 Windows 2003 上）没有 ProgId。
In summary: Use P/Invoke (DllImport, etc.) to talk to the MSI API.
总结：使用 P/Invoke（DllImport等）与 MSI API 对话。
回答by Jozef Izso
Wouldn't it be easier to use this code:
使用此代码不是更容易：
Type type = typeof(Windows.Installer);
Type type = typeof(Windows.Installer);
If you prefer the Type.GetType(String) overload you must include correct assembly name after full path to class, eg.:
如果您更喜欢 Type.GetType(String) 重载，则必须在类的完整路径后包含正确的程序集名称，例如：
Type type = Type.GetType("Windows.Installer, <assembly for MsiInstaller>");
Type type = Type.GetType("Windows.Installer, <assembly for MsiInstaller>");
回答by Chris Kaczor
You need to use:
您需要使用：
Type installerType = Type.GetTypeFromProgID("WindowsInstaller.Installer");
Here is a sample from some of my code - in my case I get the installer version:
这是我的一些代码的示例 - 在我的情况下，我获得了安装程序版本：
// Get the type of the Windows Installer object
Type installerType = Type.GetTypeFromProgID("WindowsInstaller.Installer");
// Create the Windows Installer object
Installer installer = (Installer)Activator.CreateInstance(installerType);
// Open the MSI database in the input file
Database database = installer.OpenDatabase(inputFile, MsiOpenDatabaseMode.msiOpenDatabaseModeReadOnly);
// Open a view on the Property table for the version property
View view = database.OpenView("SELECT * FROM Property WHERE Property = 'ProductVersion'");
// Execute the view query
view.Execute(null);
// Get the record from the view
Record record = view.Fetch();
// Get the version from the data
string version = record.get_StringData(2);
