C# – how do I prevent mousewheel-scrolling in my combobox?
Use the MouseWheel event for your ComboBox: void comboBox1_MouseWheel(object sender, MouseEventArgs e) { ((HandledMouseEventArgs)e).Handled = true; } Note: you’ll have to create event in code: comboBox1.MouseWheel += new MouseEventHandler(comboBox1_MouseWheel);