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Did you create new Windows From project and add two picturesBoxes on form or you only copied my code?<br />
I used C# 7.0 .Net Framework 4.7.1<br />
Create new project with two &nbsp;picturesBox, add event Form_Load &nbsp;and add my code to this event.
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Did you create new Windows From project and add two picturesBoxes on form or you only copied my code?
I used C# 7.0 .Net Framework 4.7.1
Create new project with two  picturesBox, add event Form_Load  and add my code to this event.

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Hello Experts,<br />
in Visual c# how can I convert a png image that is in negative to positive ?<br />
Regards
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Hello Experts,
in Visual c# how can I convert a png image that is in negative to positive ?
Regards

Visual c# converting PNG negatives into positves.

Photo and imaging software is used to edit and compose raster images; Adobe Photoshop, which dominates the market, has its own topic. Common actions include cropping, slicing, retouching, color replacement, masking and erasing. Other programs include Apple Photo, Corel PaintShop Pro, GIMP, Serif PhotoPlus, Pixlr, PhotoScape, Picasa and IrfanView.

Images and Photos

C# is an object-oriented programming language created in conjunction with Microsoft’s .NET framework. Compilation is usually done into the Microsoft Intermediate Language (MSIL), which is then JIT-compiled to native code (and cached) during execution in the Common Language Runtime (CLR).