PdfPage.GetChars Method

public PdfCollection<PdfTextData> GetChars()

Public Function GetChars As PdfCollection(Of PdfTextData)

Return Value

You can check the following conditions to detect whether an extracted character is visible on the page:

• Layer should be absent or visible.
• RenderingMode should not be equal to NeitherFillNorStroke or AddToPath.
• Bounds should fit into the corresponding ClipRegion. You can use IsVisible(PdfRectangle) method for this check.
• If you know the background color of the page, then you may check that the character color is different. You can use Brush and/or Pen properties depending on the RenderingMode.