# IDE Window: Conditional Defines

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Utility to assist in inserting conditional defines. For example, to convert

 OnCreate := @CreateHandler


to:

 OnCreate := {$IFDEF FPC} @ {$ENDIF} CreateHandler


select @ and then use Edit, insert $IFDEF (default shortcut Ctrl+Shift+D), select "FPC,NONE" and hit return. If you select one or more complete lines then the conditional defines are put on sepearate lines as in:  {$IFDEF DEBUG}
Writeln('State= ', State)
{$ENDIF}  The choices are listed in abbreviated form so: • MSWINDOWS,UNIX => {$IFDEF MSWINDOWS} ... {$ENDIF} {$IFDEF UNIX} ... {$ENDIF} • FPC,ELSE => {$IFDEF FPC} ... {$ELSE} ... {$ENDIF}
• DEBUG,NONE => {$IFDEF DEBUG} ... {$ENDIF}

This tool is most useful when you need to put several identical conditionals in a file, you can add to the possible conditionals by selecting or typing the required symbols in "First test" and /or "Second test" and using the Add button.

Your additons are saved in the condef.xml file in the lazarus configuration directory.