'How do I' create a long running operation page (gears page)?

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This one is an awesome feature to add if you've got an application running a workflow asynchronously and on-the-fly (see post on programmatically launching a workflow) and you want to coordinate the results of said workflow synchronously, so.you have to wait for the workflow to complete.

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Check out Microsoft.SharePoint.SPLongOperation. This object allows you to begin and complete the long operation quite easily.

SPLongOperation operation = new SPLongOperation(this) {  LeadingHTML = "This is a bold description of my operation",  TrailingHTML = "This is a normal sub-description of my operation"};operation.Begin();Thread.Sleep(5000);operation.End("/redirectpage.aspx");