3rdpartylibs/fastreports.wpf/FastReport.Forms.WPF/Enums/CloseReason.cs

namespace System.Windows.Forms
{
    public enum CloseReason
    {
        None,
        WindowsShutDown,
        MdiFormClosing,
        UserClosing,
        TaskManagerClosing,
        FormOwnerClosing,
        ApplicationExitCall
    }
}