/// <summary>
/// Destroys object
/// </summary>
public void Dispose()
{
if (_disposedFlag.Set())
{
_activeScriptGarbageCollector = null;
if (_is64Bit)
{
_activeScriptParse64 = null;
}
else
{
_activeScriptParse32 = null;
}
ComHelpers.ReleaseAndEmpty(ref _pActiveScriptGarbageCollector);
if (_is64Bit)
{
ComHelpers.ReleaseAndEmpty(ref _pActiveScriptDebug64);
ComHelpers.ReleaseAndEmpty(ref _pActiveScriptParse64);
}
else
{
ComHelpers.ReleaseAndEmpty(ref _pActiveScriptDebug32);
ComHelpers.ReleaseAndEmpty(ref _pActiveScriptParse32);
}
ComHelpers.ReleaseAndEmpty(ref _pActiveScript);
if (_activeScript != null)
{
_activeScript.Close();
Marshal.FinalReleaseComObject(_activeScript);
_activeScript = null;
}
}
}
/// <summary>
/// Destroys object
/// </summary>
/// <param name="disposing">Flag, allowing destruction of
/// managed objects contained in fields of class</param>
private void Dispose(bool disposing)
{
if (_disposedFlag.Set())
{
if (_is64Bit)
{
_activeScriptParse64 = null;
ComHelpers.ReleaseAndEmpty(ref _pActiveScriptParse64);
}
else
{
_activeScriptParse32 = null;
ComHelpers.ReleaseAndEmpty(ref _pActiveScriptParse32);
}
}
}
/// <summary>
/// Checks a support of the JavaScript engine on the machine
/// </summary>
/// <param name="clsid">CLSID of JavaScript engine</param>
/// <param name="isSupported">Flag indicating whether this JavaScript engine is supported</param>
/// <param name="supportSynchronizer">Support synchronizer</param>
/// <returns>Result of check (true - supports; false - does not support)</returns>
protected static bool IsSupported(string clsid, ref bool?isSupported, ref object supportSynchronizer)
{
if (isSupported.HasValue)
{
return(isSupported.Value);
}
lock (supportSynchronizer)
{
if (isSupported.HasValue)
{
return(isSupported.Value);
}
IntPtr pActiveScript = IntPtr.Zero;
try
{
pActiveScript = ComHelpers.CreateInstanceByClsid <IActiveScript>(clsid);
isSupported = true;
}
catch (COMException e)
{
if (e.ErrorCode == ComErrorCode.ClassNotRegistered)
{
isSupported = false;
}
else
{
isSupported = null;
}
}
catch
{
isSupported = null;
}
finally
{
ComHelpers.ReleaseAndEmpty(ref pActiveScript);
}
return(isSupported.HasValue && isSupported.Value);
}
}
/// <summary>
/// Destroys object
/// </summary>
/// <param name="disposing">Flag, allowing destruction of
/// managed objects contained in fields of class</param>
private void Dispose(bool disposing)
{
if (_disposedFlag.Set())
{
_dispatcher.Invoke(() =>
{
if (_dispatch != null)
{
ComHelpers.ReleaseComObject(ref _dispatch, !disposing);
_dispatch = null;
}
_activeScriptGarbageCollector = null;
ComHelpers.ReleaseAndEmpty(ref _pActiveScriptGarbageCollector);
if (_activeScriptParse != null)
{
_activeScriptParse.Dispose();
_activeScriptParse = null;
}
if (_activeScript != null)
{
_activeScript.Close();
Marshal.FinalReleaseComObject(_activeScript);
_activeScript = null;
}
ComHelpers.ReleaseAndEmpty(ref _pActiveScript);
});
if (disposing)
{
if (_hostItems != null)
{
_hostItems.Clear();
}
_lastException = null;
}
}
}
private void InnerDispose()
{
if (!_disposed)
{
_disposed = true;
if (_activeScriptSite != null)
{
_activeScriptSite.Dispose();
_activeScriptSite = null;
}
if (_activeScript != null)
{
_activeScript.Close();
_activeScript = null;
}
ComHelpers.ReleaseAndEmpty(ref _pActiveScript);
}
}
/// <summary>
/// Checks a support of the JavaScript engine on the machine
/// </summary>
/// <param name="clsid">CLSID of JavaScript engine</param>
/// <returns>Result of check (true - supports; false - does not support)</returns>
protected static bool IsSupported(string clsid)
{
bool isSupported;
IntPtr pActiveScript = IntPtr.Zero;
try
{
pActiveScript = ComHelpers.CreateInstanceByClsid <IActiveScript>(clsid);
isSupported = true;
}
catch
{
isSupported = false;
}
finally
{
ComHelpers.ReleaseAndEmpty(ref pActiveScript);
}
return(isSupported);
}
