disable or cancel combobox SelectedIndexChanged event with code?

Question

I need to working with combobox SelectedIndexChanged event, but in some cases I want when click button cancel SelectedIndexChanged event or code related to this event stop working ?

Answer 1

ComboBox comboBox = new  ComboBox();

Subscribe to SelectedIndexChanged event

comboBox.SelectedIndexChanged += comboBox_SelectedIndexChanged;

Use below code to unsubscribe the SelectedIndexChanged event

comboBox.SelectedIndexChanged -= comboBox_SelectedIndexChanged;

Answer 2

There are number of options

1. You can unsubscribe the event temporarily
2. You can maintain a flag to check whether you need to process it or not.

Answer 3

1. You can disable/enable the combobox, on the basis of button click
2. You can unsubscribe the SelectedIndexChanged as told by @Ramashankar
3. Maintain a flag to check whether event has to be executed or not

Answer 4

You can unsubscribe the events like the below upon clicking on the button:

combo1.SelectedIndexChanged -= combo1_SelectedIndexChanged;