TextPatternRange.GetBoundingRectangles Method ()


Retrieves a collection of bounding rectangles for each fully or partially visible line of text in a text range.

Namespace:   System.Windows.Automation.Text
Assembly:  UIAutomationClient (in UIAutomationClient.dll)

public Rect[] GetBoundingRectangles()

Return Value

Type: System.Windows.Rect[]

An array of bounding rectangles for each full or partial line of text in a text range.

An empty array for a degenerate text range.

An empty array for a text range that has screen coordinates placing it completely off-screen, scrolled out of view, or obscured by an overlapping window.

 private Rect[] BoundingRectanglesFromSelection(AutomationElement target)
    // Specify the control type we're looking for, in this case 'Document'
    PropertyCondition cond = new PropertyCondition(AutomationElement.ControlTypeProperty, ControlType.Document);

    // target --> The root AutomationElement.
    AutomationElement textProvider = target.FindFirst(TreeScope.Descendants, cond);

    TextPattern textpatternPattern = textProvider.GetCurrentPattern(TextPattern.Pattern) as TextPattern;

    if (textpatternPattern == null)
        Console.WriteLine("Root element does not contain a descendant that supports TextPattern.");
        return null;
    TextPatternRange[] currentSelection = textpatternPattern.GetSelection();

    return currentSelection[0].GetBoundingRectangles();

.NET Framework
Available since 3.0
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