Vb net toolstripprogressbar not updating

If youre on 1.0, upgrade If you dont want to upgrade, you can call Invoke Required on the form itself, and if it is needed, Invoke a method tha tupdates the progressbar.

If I set the value to x, the value displayed is not immediately updated, it takes a small amount of time to draw it as the bar is animated from its current value to the new value. Text = " - Finished drawing" End Sub I just tried this out and can see exactly what you mean. It is a difference if we can immediately react to something, but since the information is 'burned' on the surface of the eyes until it will be 'read' by nerves, it is not lost.

Raises the Invalidated event with a specified region of the control to invalidate.(Inherited from Control.) control is typically used when an application performs tasks such as copying files or printing documents.

Users of an application might consider an application unresponsive if there is no visual cue.

I want to update the Progress Bar from a thread started by the form when a treeview item is clicked on.

I set up a delegate and a method to issue the Perform Step() but the compiler tells me that the Tool Strip Progress Bar does not contain a definition for Invoke. Thanks in advance, Hal Use a Background Worker, and update the progressbar from the worker's progresschanged event, which is UI thread safe If youre on 1.1 and dont have a BGW, you can get one by googling; its not part of the framework.

Note: I haven't tried this myself, so please don't send me hate mail if you spend all day on this to find you get the same results... EDIT: Wasn't happy with my response, seemed a bit lazy...

By using the (that returns a Boolean value indicating the file copy operation was completed successfully) that performs the file copy operation.

NET Framework 2.0 Background Worker class makes it easy to code simple threading into your applications.

The following list shows the types of items that a Tool Strip may contain: You can click the Smart Tags (Tasks) arrow and click the "Insert Standard Items" to add the standard controls to your Tool Strip control.

At runtime, you can access the controls inside the Items collection, or you can refer to the tools directly by their names.

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However, a common question that gets asked in VB related forums is, “How do I update a control, or controls, from the worker thread? Many people seem to be in search of a simple explanation of how to do this.

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