https://stackoverflow.com › questions › 46006679
vba - What is vbNullString, How it use? - Stack OverflowvbNullString is essentially a null string pointer. Debug.Print StrPtr(vbNullString) 'prints 0. It looks equivalent to a literal "" empty string, but it's not: Debug.Print StrPtr("") 'prints an address; 6 bytes are allocated for it.
https://stackoverflow.com › questions › 32435320
Is there any difference between vbNullString andFor most purposes, vbNullString is equivalent to "" in VB. The only practical difference is that vbNullString is faster to assign and process and it takes less memory. If you call some non-VB API or component, test the calls with vbNullString before distributing your application.
https://forum.excel-pratique.com › excel › vbnullstring-23130
VbNullString - Forum Excel-Pratiquevbnullstring est une constante qui équivaut à rien --> donc ceci --> " ". Exemple : tu peux écrire : If Range("A1") = vbNullString Then MsgBox "CELLULE VIDE. ".
https://forum.excel-pratique.com › excel › vbnullstring-qui-ne-fonctionne-pas-77203
VbNullString qui ne fonctionne pas - Forum Excel-PratiqueLa ligne 165 est en doublon avec la ligne 475. Sauf que de mémoire dans ta demande initale, il fallait supprimer le doublon le plus haut. Ici le doublon le plus haut est la ligne 165 -> la ligne est en rouge même si la colonne 75 n'est pas vide. On teste sur la ligne i. If Cells(i, 75) = vbNullString Then.
https://www.vbforums.com › showthread.php
The Differences among Empty, Nothing, vbNull, vbNullChar, vbNullString ...vbNullString: A string having a value of zero, such as a C NULL, that takes no memory. Use this string for calling external procedures looking for a null pointer to a string. To distinguish between vbNullString and "", use the VBA StrPtr function: StrPtr (vbNullString) is zero, while StrPtr ("") is a nonzero memory address.
https://excelbaby.com › learn › the-difference-between-empty-null-and-nothing-in-vba
The Difference Between Empty, Null and Nothing in VBAvbNullString is a constant, which represents an empty string. It is different from the blank string "", which means nothing string. For many occasions, it is treated as an empty string "", the real purpose of using it is to pass a null parameter to the library function.
https://www.mrexcel.com › board › threads › what-is-a-vbnullstring.103855
What is a vbNullString? | MrExcel Message BoardvbNullString is a constant. It is a string that has the value of 0. You can use it to check if a string is blank (though it is not technicaly the same as a blank string "" ). Use it when you want to call an external program (Shell Command maybe) with a null string as one of the arguments.
https://nolongerset.com › vbnullstring
The vbNullString Constant in VBA - No Longer SetAccording to section 6.1.2.2–Constants Module–of the VBA Language Specification, the constant vbNullString is: An implementation-defined String value representing a null string pointer.
https://www.mrexcel.com › board › threads › isnull-vs-vbnullstring-vs-isempty.616401
ISNull vs vbNullString vs IsEmpty | MrExcel Message BoardIsNull and IsEmpty are Excel-defined functions that return either a true or false. i.e. If IsNull (var1) then 'do something. whereas vbNullString is an Excel defined constant that for simplicities sake is the same as "". So If var1 = vbNullString then 'do something.
https://www.mrexcel.com › board › threads › vbnullstring.361246
vbNullString | MrExcel Message Board?vbNullString="" wich will return True. The only difference I can find is if you use the StrPtr function eg in the Immediate Window:?StrPtr(vbNullString) and ?StrPtr("") return 2 different values. Does it matter? No idea...