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I am using a .dll file methods in mapbasic

declare method openmultiplefilesdlg Class "mbextensions",lib "mbextensiondlgs.dll" 
   (declaration variable) as string

but it shows error:

  1. Found [method] while searching for [sub]

and for function declaration

declare function splitline(byval input as string, byval unit_id as integer) as integer

it shows error:

Expecting sub or function

  • It would be helpful to post the relevant sections of code that are causing the errors. – T_Bacon Jun 27 '16 at 8:05
  • Although, there is one thing you can check. The DLL file (mbextensiondlgs.dll) must be in the same folder as your MBX. – T_Bacon Jun 27 '16 at 8:07
  • Make sure you MapBasic version is newer than 9.5 as that's when we started supporting the Declare Method statement. – Peter Horsbøll Møller Jun 27 '16 at 8:50
1

The syntax of the Declare Method statement looks like this:

Declare Method fname 
   Class "class_name" Lib "assembly_name"
   [ Alias function_alias ]  
   ( [ [ ByVal ] parameter As var_type ] 
   [, [ ByVal ] parameter As var_type... ] ) [ As return_type ]

Your statement has a few issues: 1. There's a comma after the class name 2. Your parameter statement is missing some declarations

Try changing it to something along these lines:

Declare Method openmultiplefilesdlg
    Class "mbextensions" Lib "mbextensiondlgs.dll" 
    (ByVal sVariableName As Char) As String

I have used sVariableName but you can use almost any name you want.

Also note that I have declared it as a Char type. It must match the declaration of the .NET method.

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