using System;
using System.Diagnostics;
using System.IO;
using FirebirdSql.Data.FirebirdClient;

namespace ProbaFB3Embedded
{
	public class Firebird
	{
		string CurDirectory;
		string FolderDB;
		string PathDB;
		string ConnectionString;
		FbConnection Conn;
		
		public Firebird()
		{
			string FullPath = Process.GetCurrentProcess().MainModule.FileName;
			CurDirectory = Path.GetDirectoryName(FullPath);
			
			FolderDB = CurDirectory + @"\data";
			PathDB = FolderDB + @"\fb3.fdb";

			if (!Directory.Exists(FolderDB))
				Directory.CreateDirectory(FolderDB);
			
			ConnectionString = "User=SYSDBA;Password=masterkey;Role=;Port=3050;DataSource=localhost;Database=" + PathDB + ";Dialect=3;Providers=engine12;Charset=WIN1251;ServerType=1;";
			
			if (!File.Exists(PathDB))
			{
				FbConnection.CreateDatabase(ConnectionString);
			}
		}
	}
}

SharpDevelop Version : 5.1.0.5134-RC-d5052dc5
.NET Version         : 4.5.51209
OS Version           : Microsoft Windows NT 6.1.7601 Service Pack 1
Current culture      : Russian (Russia) (ru-RU)
Current UI language  : en
Working Set Memory   : 215924kb
GC Heap Memory       : 50842kb

Exception thrown:
System.InvalidOperationException: Sequence contains more than one element
   at System.Linq.Enumerable.Single[TSource](IEnumerable`1 source)
   at Debugger.Value.GetFieldValue(String name)
   at ICSharpCode.SharpDevelop.Services.WindowsDebugger.debuggedProcess_DebuggingPaused(Object sender, DebuggerPausedEventArgs e)
   at Debugger.Process.OnPaused(DebuggerPausedEventArgs e)
   at Debugger.ManagedCallback.<>c__DisplayClass13_0.<ExitCallback>b__0()
   at Debugger.MTA2STA.<>c__DisplayClass6_1.<EnqueueCall>b__0()
   at Debugger.MTA2STA.PerformCall()
   at Debugger.MTA2STA.PerformAllCalls()
   at System.Windows.Forms.Control.InvokeMarshaledCallbackDo(ThreadMethodEntry tme)
   at System.Windows.Forms.Control.InvokeMarshaledCallbackHelper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Forms.Control.InvokeMarshaledCallback(ThreadMethodEntry tme)
   at System.Windows.Forms.Control.InvokeMarshaledCallbacks()

---- Recent log messages:
09:53:52.255 [18] DEBUG - Resolved (Line 37, Col 51) to 
09:53:52.488 [1] DEBUG - Resolved (Line 45, Col 35) to 
09:54:05.450 [1] DEBUG - Resolved (Line 42, Col 45) to 
09:54:17.951 [1] DEBUG - Resolved (Line 42, Col 45) to 
09:54:26.168 [1] INFO - Start building ProbaFB3Embedded
09:54:26.169 [25] DEBUG - Setting property CurrentSolutionConfigurationContents to '<SolutionConfiguration><ProjectConfiguration Project="{272105EC-08DB-429B-AF0F-B8A69D23E937}">Release|AnyCPU</ProjectConfiguration></SolutionConfiguration>'
09:54:26.169 [25] DEBUG - Setting property SolutionDir to 'D:\Source\MyDevelopment\Proba\ProbaFB3Embedded\'
09:54:26.169 [25] DEBUG - Setting property SolutionExt to '.sln'
09:54:26.169 [25] DEBUG - Setting property SolutionFileName to 'ProbaFB3Embedded.sln'
09:54:26.169 [25] DEBUG - Setting property SolutionName to 'ProbaFB3Embedded'
09:54:26.169 [25] DEBUG - Setting property SolutionPath to 'D:\Source\MyDevelopment\Proba\ProbaFB3Embedded\ProbaFB3Embedded.sln'
09:54:26.296 [13] DEBUG - Received command ReportEvent
09:54:26.310 [13] DEBUG - Received command ReportEvent
09:54:26.383 [13] DEBUG - Received command ReportEvent
09:54:26.383 [13] DEBUG - Received command ReportEvent
09:54:26.383 [13] DEBUG - Received command BuildDone
09:54:26.384 [13] INFO - Finished building ProbaFB3Embedded, success=True
09:54:26.385 [1] INFO - Debugger Command: Start (withDebugger=True)
09:54:26.386 [1] INFO - Saving layout file: C:\Users\doos\AppData\Roaming\ICSharpCode\SharpDevelop5\layouts\Default.xml
09:54:26.387 [1] INFO - Loading layout file: C:\Users\doos\AppData\Roaming\ICSharpCode\SharpDevelop5\layouts\Debug.xml, hideAllLostPads=False
09:54:26.499 [1] DEBUG - ChooseLayoutCommand.LayoutChanged(object,EventArgs)
09:54:26.499 [1] DEBUG - ChooseLayoutCommand.Run()
09:54:26.500 [1] INFO - Saving layout file: C:\Users\doos\AppData\Roaming\ICSharpCode\SharpDevelop5\layouts\Debug.xml
09:54:26.917 [1] DEBUG - Resolved (Line 31, Col 35) to 
09:54:27.346 [1] ERROR - ThreadException caught
--> Exception:
System.InvalidOperationException: Sequence contains more than one element
   at System.Linq.Enumerable.Single[TSource](IEnumerable`1 source)
   at Debugger.Value.GetFieldValue(String name)
   at ICSharpCode.SharpDevelop.Services.WindowsDebugger.debuggedProcess_DebuggingPaused(Object sender, DebuggerPausedEventArgs e)
   at Debugger.Process.OnPaused(DebuggerPausedEventArgs e)
   at Debugger.ManagedCallback.<>c__DisplayClass13_0.<ExitCallback>b__0()
   at Debugger.MTA2STA.<>c__DisplayClass6_1.<EnqueueCall>b__0()
   at Debugger.MTA2STA.PerformCall()
   at Debugger.MTA2STA.PerformAllCalls()
   at System.Windows.Forms.Control.InvokeMarshaledCallbackDo(ThreadMethodEntry tme)
   at System.Windows.Forms.Control.InvokeMarshaledCallbackHelper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Forms.Control.InvokeMarshaledCallback(ThreadMethodEntry tme)
   at System.Windows.Forms.Control.InvokeMarshaledCallbacks()

---- Post-error application state information:
Installed 3rd party AddIns: 
ProjectService.CurrentSolution: [Solution D:\Source\MyDevelopment\Proba\ProbaFB3Embedded\ProbaFB3Embedded.sln with 1 projects]
ProjectService.CurrentProject: [CSharpProject: ProbaFB3Embedded]
Workbench.ActiveContent: [AvalonEditViewContent D:\Source\MyDevelopment\Proba\ProbaFB3Embedded\ProbaFB3Embedded\Firebird.cs]

        Using the Firebird embedded server
        User=SYSDBA;Password=masterkey;Database=SampleDatabase.fdb;DataSource=localhost;
        Port=3050;Dialect=3;Charset=NONE;Role=;Connection lifetime=15;Pooling=true;
        MinPoolSize=0;MaxPoolSize=50;Packet Size=8192;ServerType=1;

        It's the key/value ServerType=1; that tells the driver it's in embedded mode.