Wpf listview observablecollection not updating

02 Jul

The elements of each group are projected by using a specified function.(Defined by Enumerable.)Overloaded.

There’s no need to subscribe to the event, the UI does this automatically.

Returns the only element of a sequence that satisfies a specified condition or a default value if no such element exists; this method throws an exception if more than one element satisfies the condition.(Defined by Enumerable.)Overloaded.

Bypasses elements in a sequence as long as a specified condition is true and then returns the remaining elements.

The specified seed value is used as the initial accumulator value, and the specified function is used to select the result value.(Defined by Enumerable.)Overloaded.

The keys are compared by using a comparer and each group's elements are projected by using a specified function.(Defined by Enumerable.)Overloaded.