Binaryworld - Building arrays on the fly ... [ VB.net -> Arrays ]

VB.NET supports the creation of arrays on-the-fly, by using the New operator. For example, look at the following code, that uses GDI methods to display few connected lines

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' Get the Graphics object from the form.
Dim gr As Graphics = Me.CreateGraphics
' Draw three straight lines.
Dim points() As Point = {New Point(10, 10), New Point(100, 80), New Point(200, _
20), New Point(300, 100)}
gr.DrawLines(Pens.Black, points)
' release the Graphics object
gr.Dispose

The points array is used only to pass an argument to the DrawLines method. Here's how you can get rid of its explicit declaration:

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' Get the Graphics object from the form.
Dim gr As Graphics = Me.CreateGraphics
' Draw three straight lines (notice the array built on the fly)
gr.DrawLines(Pens.Black, New Point() {New Point(10, 10), New Point(100, 80), _
New Point(200, 20), New Point(300, 100)})
' release the Graphics object
gr.Dispose