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Sets the size of the focal filter.
[Visual Basic .NET]
Public Sub SetSize ( _
    ByVal nColumns As Integer, _
    ByVal nRows As Integer _
)
[C#]
public void SetSize (
    int nColumns,
    int nRows
);
[C++]
HRESULT SetSize(
  long nColumns,
  long nRows
);
[C++] Parameters nColumns [in]
nColumns is a parameter of type long nRows [in]
nRows is a parameter of type long