Assigns fields of a user defined type to a list of variables
Syntax
Let( variable1 [, variable2 [, ... ]] ) = UDT_var
or
Let( variable1 [, variable2 [, ... ]] ) => UDT_var
Parameters
variable1 [, variable2 [, ... ]]
Comma separated list of variables to receive the values of the UDT variable's fields.
UDT_var
A user defined type variable.
Description
Assigns the values from the
UDT_var variable's fields to the list of variables.
When the
UDT Extends a Base, the first variable (
variable1) assigned by the operator then corresponds to a Base instance (only the other variables are those to receive the values of the data fields of the
UDT).
Union is not supported.
Example
Type Vector3D
x As Double
y As Double
z As Double
End Type
Dim a As Vector3D = ( 5, 7, 9 )
Dim x As Double, y As Double
'' Get the first two fields only
Let( x, y ) = a
Print "x = "; x
Print "y = "; y
Output:
x = 5
y = 7
Type Parent
Dim As Integer p1, p2
End Type
Type Child Extends Parent
Dim As Integer c1, c2
End Type
Type GrandChild Extends Child
Dim As Integer gc1, gc2
End Type
Dim As GrandChild gc = Type(1, 2, 3, 4, 5, 6)
Dim As Integer i1, i2
Dim As Integer j1, j2
Dim As Parent p
Dim As Child c
Let(c, i1, i2) = gc
Print c.p1, c.p2, c.c1, c.c2, i1, i2
Let(p, j1, j2) = gc
Print p.p1, p.p2, j1, j2
Output:
1 2 3 4 5 6
1 2 5 6
Dialect Differences
Differences from QB
See also