The application targets .NET 2.sth, which makes it usable under the 2.x/3.x branch.
Windows 7 was the last OS version to ship with .NET 3.5, newer version ship with 4.x by default and although installing older versions is supported it's not...
Right now you're presenting the same saving dialog for the regular save and the template save.
Not only that but in either if you select to save as JPEG you chose to throw an error to the user telling them to use the export function if they...
Currently the program ships with many skins or themes to use, but none of them matches the default Windows' decoration style.
The use of themes of this kind is rather dated for current standards, having at least the possibility to use the...
The current GUI is rather laggy.
For example resizing or maximizing the window leads to severe (in my opinion) lag re-rendering the application's widgets, working on improving its responsiveness.
The only export format available right now is JPEG, and although it is widely used I think adding PNG as a lossless format would be beneficial.
Also, consider an option to export directly to PDF targeting standard sizes (like A4, A3, etc.) it...