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Reference for unit 'System' (#rtl)

tcalldesc

COM/OLE dispatch call argument description.

Declaration

Source position: varianth.inc line 143

`type tcalldesc = packed record`
`calltype: Byte;`		Call type.
`argcount: Byte;`		Number of arguments to call.
`namedargcount: Byte;`		Number of named arguments in the call.
`argtypes: array [0..255] of Byte;`		Types of arguments.
`end;`

Description

tcalldesc is used to encode the arguments to a dispatch call to an OLE dual interface. It is used on windows only. It describes the arguments to a call.