ArcGIS Developer Help

IEnvelopeGEN.ExpandZ Method

Moves the Z attribute of the sides toward or away from each other.

[Visual Basic .NET]
Public Sub ExpandZ ( _
    ByVal dz As Double, _
    ByVal asRatio As Boolean _
)

[C#]
public void ExpandZ (
    double dz,
    bool asRatio
);

[C++]
HRESULT ExpandZ(
  double dz,
  VARIANT_BOOL asRatio
);

[C++]
Parameters
dz 

  dz is a parameter of type double
asRatio 

  asRatio is a parameter of type bool

Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.

refer to the ExpandZ method of IEnvelope