KEYENCE LJ-V7000 Series - Manual (Page 7)

7 LJ-V7000_COM_RM_E
6 Incorporating the Library
6.1 File structure
The files required at execution are listed below.
Place these folders/files in the same folder as the executable file.
• LJV7_IF.dll
6.2 Linking
6.2.1 C++
6.2.1.1 Linking
The library can be linked implicitly or explicitly.
To implicitly link the library, link with "LJV7_IF.lib".
* "LJV7_IF.lib" was built with Visual C++ 2008 SP1.
6.2.1.2 Include files
Include the following header files in the necessary source files.
• LJV7_IF.h
• LJV7_ErrorCode.h
6.2.2 C#/VB.NET
Call each interface using the DllImport attribute.
When passing a structure as an interface argument, specify the StructLayout attribute and pass a structure
of the same memory structure as the DLL.
For details, refer to the NativeMethods class (NativeMethods.cs) in the sample.
The processing to call each function has been implemented.
7 Types
In this document, variable types are described according to the following definitions.
CHAR Signed 8-bit integer
BYTE Unsigned 8-bit integer
SHORT Signed 16-bit integer
WORD Unsigned 16-bit integer
LONG Signed 32-bit integer
DWORD Unsigned 32-bit integer
FLOAT Single precision floating point number (32 bits)
DOUBLE Double precision floating point number (64 bits)