MapGuide API Reference
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Sets a reference to an MgDataPropertyDefinition used to create the identity properties that uniquely identify the objects that constitute the object property.

Remarks:
This identity property definition is only used when the object property contains an object collection.
.NET Syntax
void SetIdentityProperty(MgDataPropertyDefinition propDef);
Java Syntax
void SetIdentityProperty(MgDataPropertyDefinition propDef);
PHP Syntax
void SetIdentityProperty(MgDataPropertyDefinition propDef);
Parameters:
propDef(MgDataPropertyDefinition) The data property definition used to create the identity properties for the object collection in this object property.
Returns:
Returns nothing.