XiangTan_DM/DM_Weight/util/TabTip/EnvironmentEx.cs

41 lines
1.0 KiB
C#

using Microsoft.Win32;
namespace DM_Weight.util.TabTip
{
internal enum OSVersion
{
Undefined,
Win7,
Win8Or81,
Win10
}
internal static class EnvironmentEx
{
private static OSVersion OSVersion = OSVersion.Undefined;
internal static OSVersion GetOSVersion()
{
if (OSVersion != OSVersion.Undefined)
return OSVersion;
string OSName = GetOSName();
if (OSName.Contains("7"))
OSVersion = OSVersion.Win7;
else if (OSName.Contains("8"))
OSVersion = OSVersion.Win8Or81;
else if (OSName.Contains("10"))
OSVersion = OSVersion.Win10;
return OSVersion;
}
private static string GetOSName()
{
RegistryKey rk = Registry.LocalMachine.OpenSubKey(@"SOFTWARE\Microsoft\Windows NT\CurrentVersion");
if (rk == null) return "";
return (string) rk.GetValue("ProductName");
}
}
}