45 lines
1.7 KiB
C#
45 lines
1.7 KiB
C#
|
using System;
|
|||
|
|
using System.IO;
|
|||
|
|
using System.Runtime.InteropServices;
|
|||
|
|
|
|||
|
|
namespace SqlServerTypes
|
|||
|
|
{
|
|||
|
|
/// <summary>
|
|||
|
|
/// Utility methods related to CLR Types for SQL Server
|
|||
|
|
/// </summary>
|
|||
|
|
public class Utilities
|
|||
|
|
{
|
|||
|
|
[DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)]
|
|||
|
|
private static extern IntPtr LoadLibrary(string libname);
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Loads the required native assemblies for the current architecture (x86 or x64)
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="rootApplicationPath">
|
|||
|
|
/// Root path of the current application. Use Server.MapPath(".") for ASP.NET applications
|
|||
|
|
/// and AppDomain.CurrentDomain.BaseDirectory for desktop applications.
|
|||
|
|
/// </param>
|
|||
|
|
public static void LoadNativeAssemblies(string rootApplicationPath)
|
|||
|
|
{
|
|||
|
|
var nativeBinaryPath = IntPtr.Size > 4
|
|||
|
|
? Path.Combine(rootApplicationPath, @"SqlServerTypes\x64\")
|
|||
|
|
: Path.Combine(rootApplicationPath, @"SqlServerTypes\x86\");
|
|||
|
|
|
|||
|
|
LoadNativeAssembly(nativeBinaryPath, "msvcr120.dll");
|
|||
|
|
LoadNativeAssembly(nativeBinaryPath, "SqlServerSpatial140.dll");
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
private static void LoadNativeAssembly(string nativeBinaryPath, string assemblyName)
|
|||
|
|
{
|
|||
|
|
var path = Path.Combine(nativeBinaryPath, assemblyName);
|
|||
|
|
var ptr = LoadLibrary(path);
|
|||
|
|
if (ptr == IntPtr.Zero)
|
|||
|
|
{
|
|||
|
|
throw new Exception(string.Format(
|
|||
|
|
"Error loading {0} (ErrorCode: {1})",
|
|||
|
|
assemblyName,
|
|||
|
|
Marshal.GetLastWin32Error()));
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|