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    “Invalid Parameter Used” Error


    by soundbomber ·

    I am trying to read images from a SQL database by utilising the memorystream class. However, whenever I try to create a Bitmap object from the stream I get the above error. The database records are generally created from .bmp files and the byte object (b) and the stream (ms) are being created no problems. I have a feeling it has something to do with the bitmap header? I have tried various offsets (78 seems popular on posts) but to no avail. Here is my code:

    b = CType(oPicture, Byte())
    ‘Open a stream and read in the Image
    Dim ms As New System.IO.MemoryStream(b)
    ms.Read(b, iOffset, b.Length – iOffset)
    ‘Create Bitmap from Stream
    bm = New Bitmap(ms) *Error occurs here*

    Can anyone offer any suggestions?

    Thanks in advance

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