I am writing a slide show. The slide show itself is not bad.
My problem:
I can put the pictures in the resource area. This would require recompiling and sending the viewer each time I want to send pictures. I would like to send the pictures seperatlly and have the viewer read them. I can do this by putting the pictures in a folder then reading the folder.
I was thinking about an image library but I can't find anything on the internet about writting one. How does PowerPoint save their images?
Any help would be appreciated.

What control(s) are you using? What do you use to act as the source of your images? Do you preload an imagelist control?

I am using a picturebox for the image. My images are jpeg. I had thought about the imagelist but the images are pretty big. Isn't the image list limited to about 128x128 pixels.
Thanks for your quick reply.

Here is one way to do it.

Dim i As System.Drawing.Image
        Dim Filename As String
        Dim FilePath As String = <path to images>

        Filename = Dir(FilePath + "*.jpg")
        Do While Not Filename Is Nothing
            i = Image.FromFile(FilePath + Filename)

            ' Perfrom any scaling or rotating here

            ' Show it on the form
            PictureBox1.Image = i
            ' Give windows a second to update the screen
            Application.DoEvents()
            ' Wait for a second until moving on to next picture
            System.Threading.Thread.Sleep(1000)

            ' Get the next filename
            Filename = Dir()
        Loop

Thanks for your input, I appreciate it but that is the way I was doing it.
After more thought i came up with an image that holds all the images (thanks to person that gave me the idea).
For anyone interested, here is what I did.

' to hold the pointers where the image is located.
    Structure strImageIndex
        Dim x As Integer
        Dim y As Integer
    End Structure

    Dim ImageIndex As New strImageIndex   ' the pointer
    Dim MaxCol As Integer = 4                     ' how many pictures across
    Dim MaxRow As Integer = 3                   ' how many pictures down
    ' this is the bitmap the pictures will be kept in
    Dim bmp As New Bitmap(MaxCol * 400, MaxRow * 300, Imaging.PixelFormat.Format32bppArgb)

    '===========================================================================
    '     load the image and change size to 400 x 300    
    '     (you might want to change this...all my pictures are 400 x 300)
    '=========================================================================
    Private Sub btnLoad_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnLoad.Click
        With OpenFileDialog1
            If .ShowDialog = Windows.Forms.DialogResult.OK Then
                Dim bmp1 As New Bitmap(.FileName)
                ' this is the source rectangle or image size
                Dim srcRect As New Rectangle(0, 0, bmp1.Width, bmp1.Height)
                ' this is the size the image will be converted to
                Dim destRect As New Rectangle(0, 0, 400, 300)
                ' set up the blank bitmap and set the graphics for it.
                Dim bmp2 As New Bitmap(400, 300, Imaging.PixelFormat.Format32bppArgb)
                Dim g As Graphics = Graphics.FromImage(bmp2)
                ' now draw the destination rect from the source rectangle using pixels
                g.DrawImage(bmp1, destRect, srcRect, GraphicsUnit.Pixel)
                ' put the bitmap in the picturebox image. NOTE: the clone is used because once it is disposed of
                ' then the picturebox  image is erased.
                PictureBox1.Image = bmp2.Clone
                ' get rid of the bitmaps
                bmp1.Dispose()
                bmp2.Dispose()
            End If
        End With
    End Sub

    '================================================================
    '     draw the image into the bitmap and change the image index to point to the next picture location
    '================================================================
    Private Sub btnAdd_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnAdd.Click
        Using g As Graphics = Graphics.FromImage(bmp)
            g.DrawImage(PictureBox1.Image, New Point(ImageIndex.x * 400, ImageIndex.y * 300))
            ImageIndex.x += 1
            If ImageIndex.x > MaxCol Then
                ImageIndex.x = 0
                ImageIndex.y += 1
            End If
        End Using
    End Sub

    '===========================================================================
    '     Save the completed image
    '===========================================================================
    Private Sub btnSave_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSave.Click
        With SaveFileDialog1
            If .ShowDialog = Windows.Forms.DialogResult.OK Then
                bmp.Save(.FileName, Imaging.ImageFormat.Bmp)
            End If
        End With
    End Sub
This article has been dead for over six months. Start a new discussion instead.