Is (operator): Difference between revisions

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== Example''' ==
== Example''' ==


<pre>
Rem Is Example
Rem Is Example
Dim Obj1,Obj2
Dim Obj1,Obj2
Obj1 = Array("Lovelace","Hopper","Allen")
Obj1 = Array("Lovelace","Hopper","Allen")
Set Obj2 = Obj1
Set Obj2 = Obj1
CompareObjects Obj1, Obj2
CompareObjects(Obj1, Obj2)
Set Obj2 = NOTHING
Set Obj2 = NOTHING
CompareObjects Obj1, Obj2
CompareObjects(Obj1, Obj2)
missing=6
missing=6
notmissing=7
notmissing=7
CompareObjects missing, notmissing
CompareObjects(missing, notmissing)
 
Sub CompareObjects(Ob1, Ob2)
Sub CompareObjects(Ob1, Ob2)
   If Ob1 IS Ob2 Then
   If Ob1 Is Ob2 Then
     Print "Same"
     Print "Same"
   Else
   Else
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<pre>
<pre>
Same
Same
Different
Different
Different
</pre>
</pre>

Revision as of 19:13, 28 August 2012

result = object1 Is object2

Description

Is returns a boolean specifying if one object reference is identical to another. The required components, object1 and object2 are two object references.

Example

Rem Is Example
Dim Obj1,Obj2
Obj1 = Array("Lovelace","Hopper","Allen")
Set Obj2 = Obj1
CompareObjects(Obj1, Obj2)
Set Obj2 = NOTHING
CompareObjects(Obj1, Obj2)
missing=6
notmissing=7
CompareObjects(missing, notmissing)

Sub CompareObjects(Ob1, Ob2)
  If Ob1 Is Ob2 Then
    Print "Same"
  Else
    Print "Different"
  End If
End Sub

Output

Same
Different
Different

Related Items

AddObject, Set