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Tip of the Day
Language: Visual Basic
Expertise: Intermediate
Oct 23, 1998



Application Security Testing: An Integral Part of DevOps

Is My Object Valid?

Have you ever needed to determine if an object variable is holding a valid reference? TypeName() returns a class name if the object holds a valid reference. It returns the word "Nothing" if it does not:

 Public Function IsObjValid(objTest As Object) As Boolean
	Dim vntResult As Variant
	vntResult = TypeName(objTest)
	If vntResult <> "Nothing" Then _
		IsObjValid = TrueEnd Function
Lee Taylor
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