Add function to check if file is a valid image

AngelaIp / aras-image-uploader-for-tech-docs

Feature to add multiple graphics on MPP at once

Microsoft Public License

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Add function to check if file is a valid image #2

Open AngelaIp opened 6 years ago

AngelaIp commented 6 years ago

Allow only jpg, png,... files to be uploaded. There is some minor sample code in the Method BPL_tp_image_default_values. But it didn´t work very reliable when it comes to upper/lower case file extensions.