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c#selectedindex

Comparing a Selected Index Combo Box to another Selected Index Combo Box

Basically what I am trying to do, is compare the selected Index of two combo boxes in Win Forms. If ComboBoxA.SelectedIndex == 1 and, ComboBoxB.SelectedIndex == 1, I need to prevent that from happening, by changing ComboBoxB.SelectedIndex to 2.

I tried doing this through an If statement and couldn't get the results I was looking for. 

  if (Northern.SelectedIndex == 1 && NorthernEnd.SelectedIndex == 1)
                NorthernEnd.SelectedIndex = 2;

However, I can't seem to get this to work. I am a beginner in C# working on my last assignment of the term.

Solution

  • You can handle the event to prevent the action:

    if (Northern.SelectedIndex == 1 && NorthernEnd.SelectedIndex == 1)
    e.Handled = true;

    Here is the MSDN ref.