JRoger

https://github.com/reliak/moonpdf/blob/master/src/MoonPdf/MainWindow.xaml.cs https://github.com/reliak/moonpdf/blob/master/src/MoonPdf/MainWindowDataContext.cs https://github.com/reliak/moonpdf/blob/master/src/MoonPdf/FullscreenCommand.cs @iltom90

@633637 please clone the source code. you can find sample in it.

这个我没研究。

The author has not been active on github for several years, modify it yourself.

@focussing You can look at the example. I used this component many years ago but did not encounter your problem.But I have no environment now

In this repo have some sample. You can download it and open in VisualStudio.