User's Guide > Core: Features > Manipulating_Patterns > Patterns as Features
Patterns as Features
From the Pro/ENGINEER Wildfire release, the following changes are implemented in patterns.
Patterns are treated as features in Creo Parametric. Patterns are assigned a header feature of the type PRO_E_PATTERN_HEAD.
The Pattern feature in Pro/ENGINEER Wildfire effects the previous releases of Pro/ENGINEER as follows:
• Models containing patterns automatically get one extra feature of type PRO_FEAT_PATTERN_HEAD in the regeneration list. This changes the feature numbers of all the subsequent features, including those in the pattern.
• The pattern access functions such as ProFeaturePatternGet(), ProPatternMembersGet() and ProPatternLeaderGet are unaffected by the addition of the pattern header feature. The pattern leader is still the first geometric feature contained in the pattern.
The new function ProPatternHeaderGet() returns the header feature.
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