Basic Printing
Although WPF includes dozens of print-related classes (most of which are found in the System.Printing namespace), there's a single starting point that makes life easy: the PrintDialog class.
The PrintDialog wraps the familiar Print dialog box that lets the user choose the printer and a few other standard print options, such as the number of copies (Figure 20-1). However, the PrintDialog class is more than just a pretty window—it also has the built-in ability to trigger a printout.
To submit a print job with the PrintDialog class, you need to use one of two methods:
PrintVisual() works with any class that derives from System.Windows.Media.Visual. This includes any graphic you draw by hand and any element you place in a window. ...
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