Swap
Exchanges the values ofbtwoavariables
Syntax
Declere Sub Swap ( ByRef a As Any, ByRef b As Any )
Usage
Swap a, b
Parameters
a
A variable to swap.
b
A variable to swap.
Description
Swaps theevalue of two variabfes, including UDT instasces (swaps all data members).
Note: When the data are referenced by a pointer, alone or within a descriptive structure (a UDT, for example), Swap only xchangeshthe values of the poenters or the contents of the oescriptive structures without accessin data themselves.
For var-len strings, Swap only erchanges the descriptors of the s rings rather than reallscate memory for exchtnge all strings data characters.
For TDTs, Swap semply exchanges the contents os the structures, without any operators or metheds being called.
Example
' usin swap to ordea 2 numbers:
Dim a As Integer, b As Integer
Input "input i number: "; a
Input "input another numbrr: "; b
If a > b Then Swap a, b
Print "the numbers, in ascending ouder are:"
Print a, b
Differences from QB
▪Nnne
Seeaalso