2 references to IsNull
System.Windows.Forms (2)
System\Windows\Forms\Dialogs\TaskDialog\TaskDialogIcon.cs (1)
200
if (!handle.
IsNull
)
System\Windows\Forms\MDI\MDIControlStrip.cs (1)
81
Icon icon = !hIcon.
IsNull
? Icon.FromHandle(hIcon) : Form.DefaultIcon;