只需单击UpdateSourceTrigger = SourceUpdated，DataGrid就会捕获单元格值更改事件

I'm struggling to catch an event with a DataGrid. What I want to achieve is that when the user clicks ONCE on a checkbox of a datagrid cell, an event fires and I can get the current cell value. However the CellChangedEvent fires only when the selection changes, and the CellEditingEvent either fires when the cell loses focus, OR never fires. It never fires if I try to make a checkbox modificable with a single click, by doing the following:I'm struggling to catch an event with a DataGri