CompatibilityMode function /text/sbasic/shared/compatibilitymode.xhp CompatibilityMode VBA compatibility mode

CompatibilityMode() Function

CompatibilityMode() function controls or queries runtime mode. It affects all code executed after setting or resetting the runtime mode.

Use this feature with caution, limit it to document conversion for example.

CompatibilityMode(Optional Enable As Boolean) As Boolean

CompatibilityMode function always returns the mode that is active after its execution. That is, if called with an argument, it returns the new mode; if called without an argument, it returns the active mode without modifying it.

Enable: Sets or unsets new compatibility mode when the argument is present. CompatibilityMode function relates to Option VBASupport 1, in which case it always returns True. It is unrelated to Option Compatible compiler directive. This function may affect or help in the following situations: Scoping of variables. Running RmDir command in VBA mode. In VBA only empty directories are removed by RmDir while %PRODUCTNAME Basic removes a directory recursively. Changing behavior of Basic Dir command. The directory flag (16) for the Dir command means that only directories are returned in %PRODUCTNAME Basic, while in VBA normal files and directories are returned. Color components calculation with the Red and Blue functions which are interchanged (The Green function is not affected).

Given a NOT empty directory at file:///home/me/Test Sub RemoveDir MsgBox CompatibilityMode() ' False CompatibilityMode( True ) RmDir( "file:///home/me/Test" ) CompatibilityMode False MsgBox CompatibilityMode ' False End Sub With CompatibilityMode( True ) the program raises an error, otherwise the Test directory and all its content is deleted.

Modifying Dir behavior Sub VBADirCommand CompatibilityMode( Enable := True ) ' Shows also normal files Entry$ = Dir( "file:///home/me/Tmp/*.*", 16 ) Total$ = "" While Entry$ <> "" Total$ = Total$ + Entry$ + Chr$(13) Entry$ = Dir Wend MsgBox Total$ CompatibilityMode Enable := False ' Shows only directories End Sub

Variables scope modification in Using Procedures and Functions with CompatibilityMode() function.