| public static JetSetSystemParameter ( JET_INSTANCE instance, JET_SESID sesid, JET_param paramid, JET_CALLBACK paramValue, string paramString ) : JET_wrn | ||
| instance | JET_INSTANCE |
/// The instance to set the option on or |
| sesid | JET_SESID | The session to use. |
| paramid | JET_param | The parameter to set. |
| paramValue | JET_CALLBACK | The value of the parameter to set, if the parameter is an integer type. |
| paramString | string | The value of the parameter to set, if the parameter is a string type. |
| return | JET_wrn | |
public void Init(bool recoveryEnabled)
{
int pageSize;
Esent.JetGetDatabaseFileInfo(m_filename, out pageSize, JET_DbInfo.PageSize);
string dir = Path.GetDirectoryName(m_filename) + Path.DirectorySeparatorChar;
Esent.JetSetSystemParameter(JET_INSTANCE.Nil, JET_SESID.Nil, JET_param.DatabasePageSize, pageSize, null);
Esent.JetSetSystemParameter(JET_INSTANCE.Nil, JET_SESID.Nil, JET_param.LogFilePath, 0, dir);
Esent.JetSetSystemParameter(JET_INSTANCE.Nil, JET_SESID.Nil, JET_param.SystemPath, 0, dir);
// Put the temp DB in our working directory.
Esent.JetSetSystemParameter(JET_INSTANCE.Nil, JET_SESID.Nil, JET_param.TempPath, 0, Directory.GetCurrentDirectory() + Path.DirectorySeparatorChar);
// Set recovery option.
Esent.JetSetSystemParameter(JET_INSTANCE.Nil, JET_SESID.Nil, JET_param.Recovery, 0, recoveryEnabled ? "On" : "Off");
m_jetInstance = new Instance("ESEVIEW");
m_jetInstance.Init();
m_sesid = new Session(m_jetInstance);
Esent.JetAttachDatabase(m_sesid, m_filename, recoveryEnabled ? AttachDatabaseGrbit.None : AttachDatabaseGrbit.ReadOnly);
Esent.JetOpenDatabase(m_sesid, m_filename, null, out m_dbid, OpenDatabaseGrbit.ReadOnly);
}
/// <summary>
/// Set a system parameter which is a boolean.
/// </summary>
/// <param name="param">The parameter to set.</param>
/// <param name="value">The value to set.</param>
private void SetBoolParameter(JET_param param, bool value)
{
if (value)
{
Api.JetSetSystemParameter(this.instance, this.sesid, param, 1, null);
}
else
{
Api.JetSetSystemParameter(this.instance, this.sesid, param, 0, null);
}
}
/// <summary>
/// Set a system parameter which is a boolean.
/// </summary>
/// <param name="param">The parameter to set.</param>
/// <param name="value">The value to set.</param>
private static void SetBoolParameter(JET_param param, bool value)
{
int setting = value ? 1 : 0;
Api.JetSetSystemParameter(JET_INSTANCE.Nil, JET_SESID.Nil, param, setting, null);
}
/// <summary>
/// Set a system parameter which is an integer.
/// </summary>
/// <param name="param">The parameter to set.</param>
/// <param name="value">The value to set.</param>
private static void SetIntegerParameter(JET_param param, int value)
{
Api.JetSetSystemParameter(JET_INSTANCE.Nil, JET_SESID.Nil, param, value, null);
}
/// <summary>
/// Set a system parameter which is a string.
/// </summary>
/// <param name="param">The parameter to set.</param>
/// <param name="value">The value to set.</param>
private static void SetStringParameter(JET_param param, string value)
{
Api.JetSetSystemParameter(JET_INSTANCE.Nil, JET_SESID.Nil, param, 0, value);
}
/// <summary>
/// Set a system parameter which is an integer.
/// </summary>
/// <param name="param">The parameter to set.</param>
/// <param name="value">The value to set.</param>
private void SetIntegerParameter(JET_param param, int value)
{
Api.JetSetSystemParameter(this.instance, this.sesid, param, value, null);
}
/// <summary>
/// Set a system parameter which is a string.
/// </summary>
/// <param name="param">The parameter to set.</param>
/// <param name="value">The value to set.</param>
private void SetStringParameter(JET_param param, string value)
{
Api.JetSetSystemParameter(this.instance, this.sesid, param, 0, value);
}