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VARFLAGS Enumeration

Identifies the constants that define the properties of a variable.

This enumeration has a FlagsAttribute attribute that allows a bitwise combination of its member values.

Namespace:  System.Runtime.InteropServices.ComTypes
Assemblies:   System.Runtime.InteropServices (in System.Runtime.InteropServices.dll)
  mscorlib (in mscorlib.dll)

public enum VARFLAGS

Member nameDescription
Supported by Portable Class LibraryVARFLAG_FBINDABLEThe variable supports data binding.
Supported by Portable Class LibraryVARFLAG_FDEFAULTBINDThe variable is the single property that best represents the object. Only one variable in type information can have this attribute.
Supported by Portable Class LibraryVARFLAG_FDEFAULTCOLLELEMPermits an optimization in which the compiler looks for a member named "xyz" on the type of "abc". If such a member is found and is flagged as an accessor function for an element of the default collection, then a call is generated to that member function. Permitted on members in dispinterfaces and interfaces; not permitted on modules.
Supported by Portable Class LibraryVARFLAG_FDISPLAYBINDThe variable is displayed to the user as bindable. VARFLAG_FBINDABLE must also be set.
Supported by Portable Class LibraryVARFLAG_FHIDDENThe variable should not be displayed to the user in a browser, although it exists and is bindable.
Supported by Portable Class LibraryVARFLAG_FIMMEDIATEBINDThe variable is mapped as individual bindable properties.
Supported by Portable Class LibraryVARFLAG_FNONBROWSABLEThe variable appears in an object browser, but not in a properties browser.
Supported by Portable Class LibraryVARFLAG_FREADONLYAssignment to the variable should not be allowed.
Supported by Portable Class LibraryVARFLAG_FREPLACEABLETags the interface as having default behaviors.
Supported by Portable Class LibraryVARFLAG_FREQUESTEDITWhen set, any attempt to directly change the property results in a call to IPropertyNotifySink::OnRequestEdit. The implementation of OnRequestEdit determines if the change is accepted.
Supported by Portable Class LibraryVARFLAG_FRESTRICTEDThe variable should not be accessible from macro languages. This flag is intended for system-level variables or variables that you do not want type browsers to display.
Supported by Portable Class LibraryVARFLAG_FSOURCEThe variable returns an object that is a source of events.
Supported by Portable Class LibraryVARFLAG_FUIDEFAULTThe variable is the default display in the user interface.

For additional information about VARFLAGS, see the MSDN Library.

The common language runtime throws an exception when a COM method in native code returns an HRESULT. For more information, see How to: Map HRESULTs and Exceptions.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

Supported in: Windows Phone 8.1
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