| http://www.w3.org/ns/prov#value | - How to fix Error when i using BackgroundWorker in C# sonthuy_st20-Nov-12 21:36 this's the error when I run the program Cross-thread operation not valid: Control 'listBox1' accessed from a thread other than the thread it was created on. please help me this's my code, it is simple private void button1_Click(object sender, EventArgs e)
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