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WPF user control crashes with 'The calling thread must be STA'

The Code Behind of a WinForm is crashing with The calling thread must be STA, because many UI components require this., when trying to create a WPF user control, using myWpfUserControl = new ...
wezten's user avatar
  • 2,216
4 votes
3 answers
3k views

Defining STA: "single thread affinity" or "single threaded apartment"; and how they relate

I'm working with WPF and am reading through materials on STA. Two questions: 1) STA is defined as standing for both "single thread affinity" and "single threaded apartment" by different articles. ...
user603563's user avatar
5 votes
1 answer
5k views

WPF with Windows Forms - STAThread

I am a newbie to WPF and have a couple of questions about WPF and Windows Forms integration. I have an existing Visual C# Windows Forms application. I would like to integrate it with a WPF window, ...
user26242's user avatar