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[zachman61]

how can i make it show a message box if the picture box image does not load
example a user inputs
a url like tis
example.com/img.jpg
but thats not a real link so it brings up the boxed 'X'
how can i do it?

[mandai]

Code: Select all

        Dim data As Byte()

        Dim wc As WebClient = New WebClient()
        Try
            data = wc.DownloadData("http://localhost/image.png")
        Catch ex As Exception
            MsgBox("error: " & ex.Message)
            Return
        End Try

        Dim ms As MemoryStream = New MemoryStream(data, 0, data.Length, False, True)

        Try
            PictureBox1.Image = Image.FromStream(ms)
        Catch ex As Exception
            MsgBox("error: " & ex.Message)
        End Try

        ms.Close()

[zachman61]

i mean if its a broken url it doesnt show it
so like a working is this
www.example.com/pic.png
and a broken is this
www.example.com/plc.png
the broken will not show but if the working is typed in no message box will popup

[mandai]

Those links are both valid, if the image is not found the webclient will return an error.

[zachman61]

if the picture works the thing will still show it though