private void PrintFile_Click(object sender, RoutedEventArgs e)
{
var dlg = new PrintDialog();
var result = dlg.ShowDialog();
if (result.HasValue && result.Value)
{
Mouse.OverrideCursor = Cursors.Wait;
Transform originalScale = TreeGrid.LayoutTransform;
//Get page size and scaling information from the printer
var capabilities = dlg.PrintQueue.GetPrintCapabilities(dlg.PrintTicket);
double PageMarginLeft = capabilities.PageImageableArea.OriginWidth;
double PageMarginTop = capabilities.PageImageableArea.OriginHeight;
double PageWidth = capabilities.PageImageableArea.ExtentWidth;
double PageHeight = capabilities.PageImageableArea.ExtentHeight;
double printScale = Math.Min((PageWidth - (PageMarginLeft * 2)) / TreeGrid.ActualWidth, (PageHeight - (PageMarginTop * 2)) / TreeGrid.ActualHeight) - .01;
//Apply the scale
TreeGrid.LayoutTransform = new ScaleTransform(printScale, printScale);
//Print the image
Size pageSize = new Size(PageWidth, PageHeight);
TreeGrid.Measure(pageSize);
TreeGrid.Arrange(new Rect(PageMarginLeft, PageMarginTop, pageSize.Width, pageSize.Height));
dlg.PrintVisual(TreeGrid, "Root Cause Tree");
//Restore the original scale
TreeGrid.LayoutTransform = originalScale;
Mouse.OverrideCursor = null;
}
}
