Applying a Color Wash to Images

Public Class ColorWash
    Inherits System.Web.UI.Page

#Region " Web Form Designer Generated Code "

    'This call is required by the Web Form Designer.
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()

    End Sub
    Protected WithEvents txtColorWash As System.Web.UI.WebControls.TextBox
    Protected WithEvents btnColorWash As System.Web.UI.WebControls.Button
    Protected WithEvents btnGenImages As System.Web.UI.WebControls.Button

    'NOTE: The following placeholder declaration is required by the Web Form Designer.
    'Do not delete or move it.
    Private designerPlaceholderDeclaration As System.Object

    Private Sub Page_Init(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Init
        'CODEGEN: This method call is required by the Web Form Designer
        'Do not modify it using the code editor.
        InitializeComponent()
    End Sub

#End Region

    Private Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles MyBase.Load

        If Not IsPostBack Then
            If Not Request("RGB") = Nothing Then
                'Display value
                txtColorWash.Text = Request("RGB")

                'Generate images
                GavDev.Image.Manipulate.ColorWashImage(Server.MapPath("Images/Gav.jpg"), Server.MapPath("Images/Gav." & txtColorWash.Text & ".jpg"), txtColorWash.Text)
            End If
        End If

    End Sub

    Public Sub btnColorWash_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnColorWash.Click
        Response.Redirect("Default.aspx?RGB=" & txtColorWash.Text)
    End Sub

End Class