C#或者WPF 代码检测电脑上是否已经安装.net 4.0 环境？求解。。。
C#或者WPF 代码检测电脑上是否已经安装.net 4.0 环境？求解。。。我想要一个方法或者一个程序。在运行的机器上检测是否安装了.net 4.0 的环境。如果已经安装，返回true ，否则返回false！ C#?WPF?.net4.0? C# WPF .Net4.0 检测环境
[解决办法]
不知道你想要的是不是这个
http://msdn.microsoft.com/zh-cn/library/vstudio/bb909885.aspx
[解决办法]
你这有啥意义。wpf都能运行了。
方法还是有的，检查方法是看看注册表有没有相关的注册项。
[解决办法]
class Program
{
static void Main(string[] args)
{
Console.WriteLine(" OS Version: {0}", Environment.OSVersion);
Console.WriteLine(" CLR Version: {0} ( {1} )", Environment.Version, RuntimeFramework.CurrentFramework);
Console.WriteLine("Default Encoding: {0}", Encoding.Default);
Console.WriteLine();
Console.WriteLine("Available Frameworks:");
foreach (var frame in RuntimeFramework.AvailableFrameworks) Console.WriteLine(" " + frame);
Console.ReadLine();
}
}
public enum RuntimeType
{
Any, // Any supported runtime framework
Net, // Microsoft .NET Framework
NetCF, // Microsoft .NET Compact Framework
SSCLI, // Microsoft Shared Source CLI
Mono, // Mono
}
// See http://nunit.org, this class from NUnit Project's RuntimeFramework.cs
// RuntimeFramework represents a particular version of a common language runtime implementation.
[Serializable]
public sealed class RuntimeFramework
{
public RuntimeType Runtime { get; private set; }
public Version Version { get; private set; }
public string DisplayName { get; private set; }
static RuntimeFramework currentFramework;
public static RuntimeFramework CurrentFramework
{
get
{
if (currentFramework == null)
{
var monoRuntimeType = Type.GetType("Mono.Runtime", false);
var runtime = monoRuntimeType != null ? RuntimeType.Mono : RuntimeType.Net;
currentFramework = new RuntimeFramework(runtime, Environment.Version);
if (monoRuntimeType != null)
{
var method = monoRuntimeType.GetMethod("GetDisplayName", BindingFlags.Static
[解决办法]
BindingFlags.NonPublic
[解决办法]
BindingFlags.DeclaredOnly
[解决办法]
BindingFlags.ExactBinding);
if (method != null) currentFramework.DisplayName = (string)method.Invoke(null, new object[0]);
}
}
return currentFramework;
}
}
public static RuntimeFramework[] AvailableFrameworks
{
get
{
var frameworks = new List<RuntimeFramework>();
foreach (var framework in GetAvailableFrameworks(RuntimeType.Net)) frameworks.Add(framework);
foreach (var framework in GetAvailableFrameworks(RuntimeType.Mono)) frameworks.Add(framework);
return frameworks.ToArray();
}
}
public static bool IsMonoInstalled()
{
if (CurrentFramework.Runtime == RuntimeType.Mono) return true;
// Don't know how to do this on linux yet, but it's not a problem since we are only supporting Mono on Linux
if (Environment.OSVersion.Platform != PlatformID.Win32NT) return false;
var key = Registry.LocalMachine.OpenSubKey(@"Software\Novell\Mono");
if (key == null) return false;
var version = key.GetValue("DefaultCLR") as string;
if (string.IsNullOrEmpty(version)) return false;
return key.OpenSubKey(version) != null;
}
// Returns an array of all available frameworks of a given type, for example, all mono or all .NET frameworks.
public static RuntimeFramework[] GetAvailableFrameworks(RuntimeType rt)
{
var frameworks = new List<RuntimeFramework>();
if (rt == RuntimeType.Net && Environment.OSVersion.Platform != PlatformID.Unix)
{
var key = Registry.LocalMachine.OpenSubKey(@"Software\Microsoft\.NETFramework\policy");
if (key != null)
foreach (var name in key.GetSubKeyNames())
if (name.StartsWith("v"))
foreach (var build in key.OpenSubKey(name).GetValueNames())
frameworks.Add(new RuntimeFramework(rt, new Version(name.Substring(1) + "." + build)));
}
else if (rt == RuntimeType.Mono && IsMonoInstalled())
{
var framework = new RuntimeFramework(rt, new Version(1, 1, 4322));
framework.DisplayName = "Mono 1.0 Profile";
frameworks.Add(framework);
framework = new RuntimeFramework(rt, new Version(2, 0, 50727));
framework.DisplayName = "Mono 2.0 Profile";
frameworks.Add(framework);
}
return frameworks.ToArray();
}
public RuntimeFramework(RuntimeType runtime, Version version)
{
Runtime = runtime;
Version = version;
DisplayName = runtime.ToString() + " " + version.ToString();
}
public override string ToString()
{
return DisplayName;
}
}
另外一个：http://blog.csdn.net/yysyangyangyangshan/article/details/7039769
