40 references to VT_EMPTY
System.Private.Windows.Core (8)
Windows\Win32\System\Com\SAFEARRAY.cs (1)
62VARENUM vt = VT_EMPTY;
Windows\Win32\System\Variant\VARIANT.cs (7)
28public bool IsEmpty => vt == VT_EMPTY && data.llVal == 0; 65Anonymous.Anonymous.vt = VT_EMPTY; 87if (data is null && !(Type == VT_EMPTY || Type == VT_NULL)) 117case VT_EMPTY: 624if (vt == VT_EMPTY) 630if (arrayVarType == VT_EMPTY) 696case VT_EMPTY:
System.Windows.Forms (4)
System\Windows\Forms\Accessibility\AccessibleObject.cs (1)
2853case VARENUM.VT_EMPTY:
System\Windows\Forms\ActiveX\AxHost.AxPerPropertyBrowsingEnum.cs (1)
104if (hr.Succeeded && var.Type != VARENUM.VT_EMPTY)
System\Windows\Forms\ComponentModel\COM2Interop\Com2IPerPropertyBrowsingHandler.Com2IPerPropertyBrowsingEnum.cs (1)
107if (hr.Succeeded && variant.Type != VARENUM.VT_EMPTY)
System\Windows\Forms\ComponentModel\COM2Interop\COM2TypeInfoProcessor.cs (1)
877VT_EMPTY or VT_NULL => null,
System.Windows.Forms.Primitives.Tests (28)
Interop\Oleaut32\ITypeInfoTests.cs (1)
267Assert.Equal(VARENUM.VT_EMPTY, pTypeAttr->tdescAlias.vt);
Interop\Oleaut32\SAFEARRAYTests.cs (3)
73VARENUM arrayVt = VT_EMPTY; 109VARENUM arrayVt = VT_EMPTY; 200VARENUM arrayVt = VT_EMPTY;
Interop\Oleaut32\VARIANTTests.cs (24)
59[InlineData((ushort)VT_EMPTY, false)] 74[InlineData((ushort)VT_EMPTY, (ushort)VT_EMPTY)] 76[InlineData((ushort)(VT_BYREF), (ushort)VT_EMPTY)] 85[InlineData((ushort)VT_EMPTY)] 86[InlineData((ushort)(VT_EMPTY | VT_BYREF))] 99Assert.Equal(VT_EMPTY, variant.vt); 108Assert.Equal(VT_EMPTY, variant.vt); 122Assert.Equal(VT_EMPTY, variant.vt); 127[InlineData((ushort)VT_EMPTY)] 128[InlineData((ushort)(VT_EMPTY | VT_BYREF))] 141Assert.Equal(VT_EMPTY, variant.vt); 150Assert.Equal(VT_EMPTY, variant.vt); 164Assert.Equal(VT_EMPTY, variant.vt); 643using VARIANT variant = Create(VT_EMPTY, (IUnknown*)data); 651using VARIANT variant = Create(VT_BYREF | VT_EMPTY, (IUnknown*)&data); 668using VARIANT variant = Create(VT_BYREF | VT_EMPTY); 1018using VARIANT target = Create(VT_EMPTY); 1946[InlineData((ushort)VT_EMPTY)] 5260[InlineData((ushort)VT_EMPTY)] 5315vt = VT_ARRAY | VT_EMPTY, 5423VARENUM arrayVt = VT_EMPTY; 5462VARENUM arrayVt = VT_EMPTY; 5747VARENUM arrayVt = VT_EMPTY;