Occurs before a row or cell enters edit mode.
Assembly: PresentationFramework (in PresentationFramework.dll)
XMLNS for XAML: http://schemas.microsoft.com/winfx/2006/xaml/presentation, http://schemas.microsoft.com/netfx/2007/xaml/presentation
This event lets you perform special processing before a cell or row enters edit mode. Additionally, this event provides information about the keyboard or mouse gesture that was used to enter editing mode, and gives you the option of canceling edit mode.
If this event is not canceled, the PreparingCellForEdit event is raised when this event completes.