Parameter Type
Each parameter for the function has a specified type. Parameter types are listed in the table which follows.
| Type | Description |
|---|---|
| VOID | Not supported. |
| CHAR | The first character of the BASIC+ string is passed to the DLL. |
| BYTE | A 1 byte signed integer is passed to the DLL. |
| UBYTE | A 1 byte unsigned integer is passed to the DLL. |
| SHORT | A 2 byte signed integer is passed to the DLL. |
| USHORT | A 2 byte unsigned integer is passed to the DLL. |
| LONG | A 4 byte signed integer is passed to the DLL. |
| ULONG | Not supported. |
| FLOAT | A 4 byte floating point value is passed to the DLL. |
| DOUBLE | An 8 byte floating point value is passed to the DLL. |
| LPVOID | A 4 byte value is passed to the DLL. It is the responsibility of the programmer to ensure that this value is a valid far pointer. Note: This value can be the value returned from a DLL function returning LPVOID, or the value returned from GetPointer(). |
| LPCHAR | A far pointer is passed to the OpenInsight string. Note: If the DLL is expecting a pointer to a null-terminated string, then concatenate Char(0) to the end of the string. |
| LPBYTE | A far pointer to a 1 byte signed integer is passed to the DLL. |
| LPUBYTE | A far pointer to a 1 byte unsigned integer is passed to the DLL. |
| LPSHORT | A far pointer to a 2 byte signed integer is passed to the DLL. |
| LPUSHORT | A far pointer to a 2 byte unsigned integer is passed to the DLL. |
| LPLONG | A far pointer to a 4 byte signed integer is passed to the DLL. |
| LPULONG | Not supported. |
| LPFLOAT | Not supported. |
| LPDOUBLE | A far pointer to an 8 byte floating point value is passed to the DLL. |