User Defined Types in Visual Basic
In Visual Basic complex data structure (group) of variables can be defined using the Type - End Type code block.
Type MyType Var1 As Double Var2 As String End Type
This enables developers to create easy to understand and use data structures.
Variables of any type can be defined inside the type code block.
Properties declared in type are public and browsable within the intelli-sense:
It is not possible to set the access modifiers or add any functions or procedures within the type:
Type MyType IntValue As Integer DoubleValue As Double StringValue As String End Type Sub main() Dim val1 As MyType val1.DoubleValue = 10.5 val1.IntValue = 5 val1.StringValue = "Hello World" Dim val2 As MyType val2 = val1 'all values are copied val2.DoubleValue = 2.5 val2.StringValue = "Modified Hello World" val2.IntValue = 1 '10.5, 5, Hello World Debug.Print val1.DoubleValue & ", " & val1.IntValue & ", " & val1.StringValue '2.5, 1, Modified Hello World Debug.Print val2.DoubleValue & ", " & val2.IntValue & ", " & val2.StringValue End Sub