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Asked: 2026-06-03T18:25:13+00:00

I use Image.FromFile() to read image files uploaded by a user. For the ‘choose

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I use Image.FromFile() to read image files uploaded by a user. For the ‘choose file’ dialog box, what file extensions can I allow?

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  1. Editorial Team

    From microsoft’s documentation: http://msdn.microsoft.com/en-us/library/stf701f5.aspx

    • BMP
    • GIF
    • JPEG
    • PNG
    • TIFF

    I believe this should be the filter string:

    Bitmap images|*.bmp|GIF images|*.gif|JPEG images|*.jpg; *.jpeg; *.jpe; *.jif; *.jfif; *.jfi|PNG images|*.png|TIFF images|*.tiff; *.tif|All files|*.*

    Note that I allowed for additional valid extensions for JPEG and TIFF images.

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