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== Passing Variable to A Macro == In order t..."

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When a [[Macro]] is created, it can receive from the [[DMIS]] program both '''[[Variables]] and Features''' as argument. 

== Passing Variable to A Macro ==

In order to '''pass a [[variable]] to a [[Macro]]''' it is necessary to define in the [[macro]] declaration that the argument is a [[variable]]: 
 
<code>$$ Example of a MACRO Used with Variable </code>
<code>M(PASSING_A_VARIABLE)=MACRO/MYVARIABLE </code>
::<code> DECL/LOCAL,CHAR,128,tmpString </code>
::<code> tmpString=ASSIGN/CONCAT('The Variable Passed is: ',STR(MYVARIABLE)) </code>
::<code> TEXT/OPER,tmpString </code>
<code>ENDMAC </code>
 
<code>DECL/DOUBLE,PASSED_TO_MACRO </code>
<code>PASSED_TO_MACRO=ASSIGN/100 </code>
 
<code>CALL/M(PASSING_A_VARIABLE),100 </code>
<code>CALL/M(PASSING_A_VARIABLE),PASSED_TO_MACRO </code>

== Passing Feature to A Macro ==

In order to pass '''a featureto a [[Macro]]''' it is necessary to define in the [[macro]] declaration that the argument is a feature '''using the "'" in the declaration''' and, when calling the [[Macro]], '''use the "(" and ")"''' to inform that the feature has been passed. 
In the [[Macro]] the feature '''is passed as object''', so it can be access directly.
 
<code>$$ Example of a MACRO Used with Feature passed directly </code>
<code>F(P1)=FEAT/POINT,CART,0,0,0,0,0,1</code>

<code>M(PASSING_A_FEATURE)=MACRO/'FEATURE'</code>
::<code> DECL/LOCAL,DOUBLE, XX</code>
::<code> XX=OBTAIN/F(FEATURE),3</code>
::<code> tmpString=ASSIGN/CONCAT('The X VALUE OF THE PASSED POINT IS: ',STR(XX))</code>
::<code> TEXT/OPER,tmpString</code>
<code>ENDMAC</code>

<code>CALL/M(PASSING_A_FEATURE),(P1)</code>

== Passing Feature to A Macro Using a Variable==

In order to pass a '''feature to a [[Macro]] using a [[Variable]]''' it is necessary to define in the [[macro]] declaration that the argument is a [[Variable]] (see above) and, when using the [[Macro]], '''use the "@" to access to the feature''' as [[variable]]: 
 
<code>$$ Example of a MACRO Used with Feature passed as Varible </code>

<code>F(P1)=FEAT/POINT,CART,0,0,0,0,0,1</code>

<code>M(PASSING_A_FEATURE)=MACRO/FEATURE</code>
::<code> DECL/LOCAL,DOUBLE, XX</code>
::<code> XX=OBTAIN/F(@FEATURE),3</code>
::<code> tmpString=ASSIGN/CONCAT('The X VALUE OF THE PASSED POINT IS: ',STR(XX))</code>
::<code> TEXT/OPER,tmpString</code>
<code>ENDMAC</code>

<code>CALL/M(PASSING_A_FEATURE),'P1'</code>

== Passing Features and Variables to A Macro Using a Variable==

A [[macro]] can '''receive as arguments both features and Variables'''. 

In this case it is necessary to define in the [[macro]] declaration that the argument is a [[Variable]] or a Feature (see above) and, when using the [[Macro]], '''use the "@" or "(" and ")" to access to the feature or [[variable]]''': 
 
<code>$$ Example of a MACRO Used with Feature passed as Varible </code>

<code>F(P1)=FEAT/POINT,CART,0,0,0,0,0,1 </code>
<code>F(P2)=FEAT/POINT,CART,1,0,0,0,0,1 </code>

<code>M(PASSING_A_FEATURE_AND_A_VARIABLE)=MACRO/'FEATURE_DIRECT',FEATURE_AS_VARIABLE,MYVARIABLE</code>
::<code> DECL/LOCAL,DOUBLE, XX</code>
::<code> DECL/LOCAL,DOUBLE, XX1</code>
::<code> XX=OBTAIN/F(FEATURE_DIRECT),3</code>
::<code> XX1=OBTAIN/F(@FEATURE_AS_VARIABLE),3</code>

::<code> tmpString=[[Assign|ASSIGN]]/CONCAT('The X VALUE OF THE POINT PASSED DIRECTLY IS: ',STR(XX))
::<code> TEXT/OPER,tmpString</code>
::<code> tmpString=ASSIGN/CONCAT('The X VALUE OF THE POINT PASSED WITH VARIABLE IS: ',STR(XX1))</code>
::<code> TEXT/OPER,tmpString</code>
::<code> tmpString=ASSIGN/CONCAT('The Variable Passed is: ',STR(MYVARIABLE)) </code>
::<code> TEXT/OPER,tmpString</code>
<code>ENDMAC</code>

<code>CALL/M(PASSING_A_FEATURE),(P1),'P2',100</code>

[[it:Passaggio di variabili e funzionalità a una macro]]
[[zh-cn:将变量和特征传递给宏]]
[[pt:Passando variáveis e recursos para uma macro]]
[[de:Übergeben von Variablen und Features an ein Makro]]
[[es:Pasar variables y características a una macro]]
[[en:Passing Variables And Features To A Macro]]

Passando variáveis e recursos para uma macro - Histórico de revisão

Slia: Criou a página com "When a Macro is created, it can receive from the DMIS program both '''Variables and Features''' as argument. == Passing Variable to A Macro == In order t..."

Slia: Criou a página com "When a Macro is created, it can receive from the DMIS program both '''Variables and Features''' as argument.
== Passing Variable to A Macro == In order t..."