how to disable a button based on the list control selections in mfc

Question

I have 2 buttons namely "disconnect"- deletes a single variable as selected in list control and perform certain actions and "delete"-permanently deletes multiple variables as selected in a list control. my requirement is to disable the "disconnect" button if multiple selections are made.for this I need to keep the count of selections made. Can someone suggest how to do this?

Answer 1

There is a function for that - CListCtrl::GetSelectedCount .

There is also a macro ListView_GetSelectedCount .

or you can send LVM_GETSELECTEDCOUNT message directly.