Try using InvokeRequired, Invoke() etc. technique for multi-thread calls. On Mon, Jan 18, 2010 at 3:37 PM, adri <[email protected]> wrote:
> Hi, > > I am developing a (simple) systray app in VB.Net 2008. When it is > minimized and a status variable changes, I am using Growl for Windows > to notify the user. Growl allows for callbacks. In the Growl > callback, I would like to restore the app's main form with 'me.visible > = true'. When I do this I get an error 'Cross-thread operation not > valid'. I have tried Microsoft's solution using a dummy timer (see > http://support.microsoft.com/kb/190523). > > Could someone please point me in the right direction? > > Regards, > Adri >
