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Resolved QRCode images don't show on a picture control, depending on the format
  1. Issue
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  1. Miguel Leeuwe
  2. PowerBuilder
  3. Thursday, 28 October 2021 07:47 AM UTC

Hi,

I've created a C# DLL which encodes and decodes QR images. You can save as .bmp, .gif, .png, and .jpg. The problem I'm having is that only files with a .PNG extension show correctly on the picture control. If for example I have saved as BMP, I can correctly open and see the image with any windows image application, but not in powerbuilder on the picture control.

Has anyone seen this before? I guess there's something wrong with the generated bmp or with powerbuilder not recognizing it as such.

(In .net, I'm using the zxing nuget package to encode and decode. This is a 4.5.1 32 bit .net framework dll, since we still have customers using windows server 2003m win7 and possibly even win XP).

See the 2 attachments: one is my VS DLL library with the encoding and decoding functions and the other is a small pb sample application made in pb2019 R3 build 2703.

Edited: to avoid dupliction:

Here's the latest version of the PB sample app: https://github.com/mjl38/PB_sample_app_QRCodes
And here's the latest version of my Vstudio .net library (and test window form): https://github.com/mjl38/QRCodes
Let me know if you would like me to zip it all and duplicate it on the several posts here.

TIA, MiguelL

 

License expired Rotate PB picture control or image
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