Microsoft also says that it has no plans to support iPhone app development, despite bloggers' rumors Contrary to a published report, Microsoft CEO Steve Ballmer will not be presenting at the Apple WWDC (Worldwide Developers Conference) in two weeks. Speculation had centered on Ballmer appearing at the San Francisco event to talk about Visual Studio 2010 accommodating Apple’s iPhone OS-based devices, which feature applications based on the Objective-C language. But a Microsoft Twitter message on Thursday rejected the notion of Ballmer speaking at the conference.“Steve Ballmer not speaking at Apple Dev Conf. Nor appearing on Dancing with the Stars. Nor riding in the Belmont. Just FYI,” the Tweet said. The company also has no plans to support Objective-C, a Microsoft spokesman said.[ See InfoWorld’s review of Visual Studio 2010, which shipped last month. | Read InfoWorld’s peace plan for the Flash-on-iPhone fight. ] Visual Studio 2010 accommodations for Objective-C would benefit Microsoft, an analyst said, though Visual Studio currently does not support Objective-C development. “If Visual Studio was to support Objective-C, it would be a great strategic move for Microsoft,” said IDC analyst Al Hilwa.This story was updated on May 27, 2010, with new information from Microsoft regarding Objective-C development.This article, “Ballmer: I’m not going to WWDC,” was originally published at InfoWorld.com. Follow the latest developments in business technology news and get a digest of the key stories each day in the InfoWorld Daily newsletter and on your mobile device at infoworldmobile.com. Software DevelopmentTechnology Industry