10 references to VT_NULL
System.Private.Windows.Core (3)
Windows\Win32\System\Variant\VARIANT.cs (3)
87
if (data is null && !(Type == VT_EMPTY || Type ==
VT_NULL
))
125
case
VT_NULL
:
697
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
System.Windows.Forms.Primitives.Tests (5)
Interop\Oleaut32\VARIANTTests.cs (5)
614
using VARIANT variant = Create(VT_BYREF |
VT_NULL
, (IUnknown*)data);
622
using VARIANT variant = Create(VT_BYREF |
VT_NULL
, (IUnknown*)&data);
629
using VARIANT variant = Create(VT_BYREF |
VT_NULL
);
1950
[InlineData((ushort)
VT_NULL
)]
5261
[InlineData((ushort)
VT_NULL
)]