AndyB (2010-04-30)

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Hi,

I am using a DirtyObjectCatcher in my Eco 5 Winforms application.

This has been working well for some time. Now when specific actions are performed I get a Null reference exception in the DirtyObjectCatcher.SubscribeToUndoblock method:

private void SubscribeToUndoblock()
{
IUndoBlock block = this.UndoService.UndoList[this.UndoBlockName];
if (block != null)
{
block.Subscribe(this.Subscriber.AsISubscriber());
}
}

The Null reference is caused by this.UndoService returning null;

SubscribeToUndoblock is called by private void CheckDirtyListChanged(object sender, EventArgs e) which is attached to the Application.Idle event here in DirtyObjectCatcher.

private void Subscriber_Receive(object sender, EventArgs e)
{
Application.Idle += new EventHandler(this.CheckDirtyListChanged);
}


Is there any chance of a fix to this problem?
A suggested work around?
The source to DroopyEyes.EcoExtensions.WinForm.dll?

This is a showstopper for me and my client!!

Regards AndyB