C now automatically switches different SQLite dll files on 32 bit and 64 bit systems
- 2020-10-23 20:16:01
- OfStack
Direct code:
using System;
using System.Collections.Generic;
using System.Windows.Forms;
using System.Management;
using System.IO;
namespace SqliteAuto
{
static class Program
{
/// <summary>
/// The main entry point to the application.
/// </summary>
[STAThread]
static void Main()
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
string dll32 = System.Windows.Forms.Application.StartupPath + "\\lib\\SQLite32.DLL";
string dll64 = System.Windows.Forms.Application.StartupPath + "\\lib\\SQLite64.DLL";
string dllpath = System.Windows.Forms.Application.StartupPath + "\\System.Data.SQLite.dll";
if (Detect32or64() == "32")
{
// do 32bit things.
try
{
using (FileStream fs = File.Create(dllpath)) { }
File.Copy(dll32, dllpath, true);
}
catch
{
Console.WriteLine("ERR");
}
}
else if (Detect32or64() == "64")
{
//do 64bit things
try
{
using (FileStream fs = File.Create(dllpath)) { }
File.Copy(dll64, dllpath, true);
}
catch
{
Console.WriteLine("ERR");
}
}
Application.Run(new Form1());
}
private static string Detect32or64()
{
try
{
string addressWidth = String.Empty;
ConnectionOptions mConnOption = new ConnectionOptions();
ManagementScope mMs = new ManagementScope("\\\\localhost", mConnOption);
ObjectQuery mQuery = new ObjectQuery("select AddressWidth from Win32_Processor");
ManagementObjectSearcher mSearcher = new ManagementObjectSearcher(mMs, mQuery);
ManagementObjectCollection mObjectCollection = mSearcher.Get();
foreach (ManagementObject mObject in mObjectCollection)
{
addressWidth = mObject["AddressWidth"].ToString();
}
return addressWidth;
}
catch (Exception ex)
{
Console.WriteLine(ex.ToString());
return String.Empty;
}
}
}
}