DrawSelection

Viscomsoft UWP PDF Viewer SDK

IPage.DrawSelection Method

Draw the selection rectangle.

C#

public void DrawSelection(ISelection start, ISelection end, Color color)

Parameter
start - the start position of ISelection object
end - the end position of ISelection object
color - the color of selection rectangle

Namespace: Viscomsoft.UWP.PDFViewerSDK;

No Return Value

Example

[C# Syntax]
using Viscomsoft.UWP.PDFViewerSDK;

public sealed partial class MainPage : Page
{

private PDFDisplayManager _pdfDisplayManager = null;

private async void open(StorageFile file)
{

DocumentFactory factory = new DocumentFactory();

IDocument doc = factory.CreateDocument(file.Name);

bool opened = await doc.OpenAsync(file);

_pdfDisplayManager = new PDFDisplayManager();

_pdfDisplayManager.Width = (int)Window.Current.Bounds.Width;

_pdfDisplayManager.Height = (int)Window.Current.Bounds.Height;

_pdfDisplayManager.Document = doc;

_pdfDisplayManager.GotoPage(1);

    uiViewPanel.Child = createScrollViewControl();

     foreach (IPage page in _pdfDisplayManager.getActivePages())
     {
       page.DrawSelection(page.GetSelectionMin(), page.GetSelectionMax(),        Windows.UI.Color.FromArgb(255, 255, 0, 0));
     }

}

private UIElement createScrollViewControl()
{

ScrollViewControl svc = new ScrollViewControl();

svc.DataContext = _pdfDisplayManager;

svc.Name = "uiScrollView";

svc.SetBinding(ScrollViewControl.ItemCountProperty, new Binding { Path = new PropertyPath("PageCount") });

svc.SetBinding(ScrollViewControl.ItemIndexProperty, new Binding { Path = new PropertyPath("CurrentIndex"), Mode = BindingMode.TwoWay, UpdateSourceTrigger = UpdateSourceTrigger.Default });

svc.StartIndex = _pdfDisplayManager.CurrentIndex;

return svc;

}