5 references to VT_NULL
System.Private.Windows.Core (3)
Windows\Win32\System\Variant\VARIANT.cs (3)
93
if (data is null && !(Type == VT_EMPTY || Type ==
VT_NULL
))
133
case
VT_NULL
:
705
case
VT_NULL
:
System.Windows.Forms (2)
System\Windows\Forms\ComponentModel\COM2Interop\COM2TypeInfoProcessor.cs (1)
877
VT_EMPTY or
VT_NULL
=> null,
System\Windows\Forms\Controls\WebBrowser\HtmlElement.cs (1)
543
return attributeValue.Type == VARENUM.
VT_NULL
|| attributeValue.ToObject() is not string validString