如何在WPF中动态更改Windows打印机PrintableArea的宽度和高度

Question

When take Printout the page size width=816.0,hieght=10560.0.now i want to reduce this size.

    PrintDialog dialog = new PrintDialog();
    double _width = dialog.PrintableAreaWidth;
    double _hieght = dialog.PrintableAreaWidth;
    dialog.PrintVisual(this, "My Window");

With this code i can _width=816.0 and _hieght=10560.0. Now i want to change the PrintableArea Width and height dynamically in wpf.What should i do for that.

Currently the SnagIt 8 is selected .if i click Print button in above figure.I will get one image. that image has size width 1200px and height 2128px.So i need change this size.

Answer 1

You need to create a custom DocumentPaginator class as in this SO question (it was about implementing a PrintPreview). and use it with the PrintDialog.PrintDocument Method.