Printing WPF Visuals with MVVM Template

Question

My ViewModel has a PrintCommand that executes the PrintCalendar () method. But the aka datagrid calendar is in the view, so how do I get my datagrid in the ViewModel?

How are my hands dirty and all this in a combination lock? Oh no...

PrintDialog printDlg = new PrintDialog();
printDlg.PrintVisual(datagrid, "Grid Printing.");

Answer 1

You can try this. I created a simple demo window with datagrid, buttom and ViewModel. ViewModel contains PrintCommand (RelayCommand from

and ViewModel:

using System.Windows.Controls;
using System.Windows.Media;
using GalaSoft.MvvmLight.Command;

namespace WpfTestApplication.ViewModel
{
    public class WindowViewModel
    {
        /// <summary>
        /// Command executed to print an visual component. The component is passed in as a parameter.
        /// </summary>
        public RelayCommand<Visual> PrintCommand
        {
            get
            {
                return new RelayCommand<Visual>( v =>
                {
                    PrintDialog printDlg = new PrintDialog();
                    printDlg.PrintVisual( v, "Grid Printing." );
                } );
            }
        }
    }
}