__OBJADDMETHOD()

Add a METHOD to an already existing class

Syntax

__objAddMethod( <oObject>, <cMethodName>, <nFuncPtr> ) --> oObject

Arguments

<oObject> is the object to work on.

<cMethodName> is the symbol name of the new METHOD to add.

<nFuncPtr> is a pointer to a function to associate with the method.

Returns

__objAddMethod() return a reference to <oObject>.

Description

__objAddMethod() is a low level class support function that add a new METHOD to an object. is unchanged if a symbol with the name already exist in .

Note that is a special pointer to a function that was created using the @ operator, see example below.

Examples

// create a new THappy class and add a Smile method
oHappy := TClass():New( "THappy" )
__objAddMethod( oHappy, "Smile", @MySmile() )
? oHappy:Smile( 1 ) // :)
? oHappy:Smile( 2 ) // ;)
? oHappy:Smile( 3 ) // *SMILE*
STATIC FUNCTION MySmile( nType )
LOCAL cSmile
DO CASE
CASE nType == 1
cSmile := ":)"
CASE nType == 2
cSmile := ";)"
CASE nType == 3
cSmile := "*SMILE*"
ENDCASE
RETURN cSmile

Status

Ready

Compliance

__objAddMethod() is a Harbour extension.

Files

Library is rtl

See Also