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ii.23.2.5-propertysig.md

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II.23.2.5 PropertySig

A PropertySig is indexed by the Property.Type column. It captures the type information for a Property – essentially, the signature of its getter method:

  • the number of parameters supplied to its getter method

  • the base type of the Property (the type returned by its getter method)

  • type information for each parameter in the getter method (that is, the index parameters)

Note that the signatures of getter and setter are related precisely as follows:

  • The types of a getter's ParamCount parameters are exactly the same as the first ParamCount parameters of the setter

  • The return type of a getter is exactly the same as the type of the last parameter supplied to the setter

The syntax diagram for a PropertySig looks like this:

The first byte of the Signature holds bits for HASTHIS and PROPERTY. These are OR’d together.

Type specifies the type returned by the getter method for this property. Type is defined in §II.23.2.12.

Param is defined in §II.23.2.10.

ParamCount is a compressed unsigned integer that holds the number of index parameters in the getter methods (0 or more). (§II.23.2.1) (ParamCount counts just the method parameters – it does not include the method's base type of the Property)