C # open a PDF file using WinForm

C # open a PDF file using winform
In fact, there are many ways to open a PDF file in winform: There are two main methods

I. Use the com component provided by adobe reader

1. Add reference

Toolbox --- Right-click --- Select item -- com component -- adobe pdf reader

2. Usage

Openfiledialog openfile = new openfiledialog ();

Open. filter = "pdf file | *. pdf ";
Openfile. showdialog ();

Ax1_1_1.src = openfile. filename;

// Axacroapps1.loadfile (of. filename); // method 2

2. Do not use the com component provided by adobe reader