ArcGIS Developer Help

ITerrain.IsValid Property

Indicates whether or not a full build is required.

[Visual Basic .NET]
Public ReadOnly Property IsValid As Boolean

[C#]
public bool IsValid {get;}

[C++]
HRESULT get_IsValid(
  Boolean* pbIsValid
);

[C++]
Parameters
pbIsValid [out, retval]

  pbIsValid is a parameter of type bool*

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

Indicates whether the terrain schema has been modified since the last Build. When IsValid is FALSE the terrain must be built in order to be used.

Schema edits on terrains include the addition or removal of feature classes and pyramid levels.