Event ValueChanging

Namespace

Terminal.Gui

Assembly

Terminal.Gui.dll

Raised when the value is about to change. Set CancelEventArgs<T>.Cancel to true to prevent the change.

public event EventHandler<CancelEventArgs<T>>? ValueChanging

Returns

EventHandler<CancelEventArgs<T>>

Raised when the value is about to change. Set .Cancel to true to prevent the change.