Intel Fortran 调用Delphi编制的DLL

最新推荐文章于 2021-03-11 10:06:18 发布

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最新推荐文章于 2021-03-11 10:06:18 发布

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原文链接：http://www.cnblogs.com/China3S/p/9652237.html

本文提供了一个IntelFortran调用Delphi编写的DLL的具体示例，展示了如何定义模块接口、使用标准模块、加载DLL以及调用DLL中的函数。此示例对于跨语言编程和集成不同编程环境下的组件具有一定的参考价值。

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Intel Fortran 调用Delphi编制的DLL

module link_cont
  interface
    subroutine I_FileOpenCont (ncase,ndata,lpool,xfiles)
      integer(kind=4) :: ncase
      integer(kind=4) :: ndata
      integer(kind=4) :: lpool
      character(len=40), dimension(10) :: xfiles
    endsubroutine I_FileOpenCont
  endinterface
endmodule link_cont

program s
  use link_cont
  use Kernel32
  use , intrinsic :: ISO_C_Binding !// 标准模块
  implicit none
  type(C_FUNPTR) :: C_FileOpenCont !// C 语言指向函数的指针
  procedure(I_FileOpenCont) , pointer :: FileOpenCont !// fortran 指向函数的指针
  !<-------------------------------------------------------------------------------------------------------------------------------
  integer(kind=4)                  :: add
  integer(kind=4)                  :: hwnd
  integer(kind=4)                  :: n_case
  integer(kind=4)                  :: n_data
  integer(kind=4)                  :: lpool
  character(len=40), dimension(10) :: c_files
  logical                          :: fail
  logical                          :: syslink
  !<-------------------------------------------------------------------------------------------------------------------------------
  hwnd = LoadLibrary('control.dll'//c_null_char)
  if (hwnd <= 0) then
    fail    = .true.
    syslink = .false.
    write(*,*) 'DLL Loading failure because control.dll was not found'
    read(*,*)
  else
    write(*,*) 'Succeed Contempt DLL (control.dll) Loading'
    add     = GetProcAddress(hWnd,'FILEOPENCONT'//c_null_char) !//获得地址（整数）
    C_FileOpenCont = transfer( add , C_FileOpenCont ) !//把整数的地址转换成 C 指针
    call C_F_PROCPOINTER( C_FileOpenCont , FileOpenCont ) !//把C指针转换成 fortran 指针
    call FileOpenCont(n_case,n_data,lpool,c_files)
    syslink=FreeLibrary(hwnd)
  endif
end program s