HRESULT IDWriteTextLayout::HitTestTextRange([In] unsigned int textPosition,[In] unsigned int textLength,[In] float originX,[In] float originY,[Out, Buffer, Optional] DWRITE_HIT_TEST_METRICS* hitTestMetrics,[In] unsigned int maxHitTestMetricsCount,[Out] unsigned int* actualHitTestMetricsCount)

'Declaration
 
Public Overloads Function HitTestTextRange( _
   ByVal textPosition As Integer, _
   ByVal textLength As Integer, _
   ByVal originX As Single, _
   ByVal originY As Single, _
   ByVal hitTestMetrics() As HitTestMetrics, _
   ByVal maxHitTestMetricsCount As Integer, _
   ByRef actualHitTestMetricsCount As Integer _
) As HResult

public HResult HitTestTextRange( 
   int textPosition,
   int textLength,
   float originX,
   float originY,
   HitTestMetrics[] hitTestMetrics,
   int maxHitTestMetricsCount,
   out int actualHitTestMetricsCount
)