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				| Is the field virtual? | 
			
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							|  | VARIANT_BOOL IsFieldVirtual ( enum eCrncyFld eFieldID
 )
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						| Parameters |  | eFieldID |  | [in] Identifier of the field, e.g. crnfSysNum (C++) or eCrncyFld.crnfSysNum (C# / VB.NET). 
		|  |  |  |  | Remark: In VBS, this field identifier enumerations cannot be used! You should use GetFieldID to get a valid field identifier. |  |  
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			| Samples | 
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							|  | C++ |  
							|  | if (pCrncy->IsFieldVirtual (crnfSysNum))
 // This field can not be updated.
 
 
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							|  | C# |  
							|  | if (oCrncy.IsFieldVirtual (eCrncyFld.crnfSysNum))
 // This field can not be updated.
 
 
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							|  | VBS |  
							|  | If oCrncy.IsFieldVirtual(oCrncy.GetFieldID("SysNum")) Then
 ' This field can not be updated.
 End If
 
 
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							|  | VB.NET |  
							|  | If oCrncy.IsFieldVirtual(eCrncyFld.crnfSysNum) Then
 ' This field can not be updated.
 End If
 
 
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