VB Forum / Win API / September 2008

I have an application where I want to redraw a polygon from points I
retrieve from a file.
The file is read with streamreader line by line each line contains the
points for each polygon.
Below is a typical line from my file.
500,748 500,678 552,678 552,696 584,696 584,714 612,714 612,748

Each set of x,y coordinates is separated by a space.

How can I read this into my points collection. If I currently try I get
can't convert issues.

Here's code I have been hacking and slashing
       Dim blueBrush As New SolidBrush(Color.Blue)
       Dim curvePoints As Point()
       Dim part As Integer
       Dim part2 As Integer
       Dim pts As Point

       Dim formGraphics2 As System.Drawing.Graphics = Me.CreateGraphics()

       Try
           ' Create an instance of StreamReader to read from a file.
           Using sr As StreamReader = New StreamReader("Polygon.txt")
               Dim line As String
               ' Read and display the lines from the file until the end
               ' of the file is reached.
               Do
                   line = sr.ReadLine()
                   If line <> "" Then
                       part =
Convert.ToInt32(Microsoft.VisualBasic.Left(line, 3))

                       part2 =
Convert.ToInt32(Microsoft.VisualBasic.Mid(line, 5, 3))
                       pts = (part,part2)
                       curvePoints = pts

                   End If

                   'formGraphics2.FillPolygon(blueBrush, curvePoints)
               Loop Until line Is Nothing
               sr.Close()
           End Using
       Catch E As Exception
           ' Let the user know what went wrong.
           Console.WriteLine("The file could not be read:")
           Console.WriteLine(E.Message)
       End Try

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