Possible to force a refresh?

[McBainUK]

I'm currently working on the Files plugin and would like to add a "Please wait. 5 of 6 items copied." type message but unsure how to do it.
Code flow is like this:

1. User chooses copy on a menu
   
2. Itterate over items to copy and send copy commands to Windows.
   

I would like to show the "Please wait" message between steps 1 and 2. Ie

1. User presses chooses copy on a menu
   
2. Set "Please wait" message to visible (then in render() render the message)
   
3. Program itterate over items to copy and send copy commands to Windows.
   
4. Hide "Please wait" message
   

The problem is that the message is never shown because the copy commands seem to take over. GBPVR only calls the render() method after the files copy.

Anyone know if it is possible to force a render call? Or maybe an alternative way of doing it? pluginHelper.ShowMessage() would work but I understand it has problems and shouldnt be used.

[sub]

You can return true from needsRendering() if you need to rerender. You'd probably need to be doing your file copying on a background thread though.

[reven]

yeah i do it how sub suggestions, just return true from needsRendering, and update the message shown in the seperate copy thread.

theres a pluginHelper.ForceRefresh(); method, but thats a messy way to do it.

[McBainUK]

You can return true from needsRendering() if you need to rerender. You'd probably need to be doing your file copying on a background thread though.

Thought this would be the way to do it. Time to read up on threads then...