VI_ATTR_WIN_ACCESS
Resource Classes
PXI INSTR, PXI MEMACC, VXI INSTR, VXI MEMACC
Attribute Information
Access Privilege |
Data Type |
Range |
Default |
Read Only Local |
ViUInt16 |
VI_NMAPPED (1) VI_USE_OPERS (2) VI_DEREF_ADDR (3) |
VI_NMAPPED |
Description
VI_ATTR_WIN_ACCESS specifies the modes in which the current window may be accessed.
- If VI_NMAPPED, the window is not currently mapped.
- If VI_USE_OPERS, the window is accessible through the viPeekXX() and viPokeXX() operations only.
- If VI_DEREF_ADDR, you can either use operations or directly dereference the mapped address as a pointer.
Related Topics
INSTR Resource
MEMACC Resource
VI_ATTR_WIN_ACCESS_PRIV
VI_ATTR_WIN_BASE_ADDR/VI_ATTR_WIN_BASE_ADDR_32/VI_ATTR_WIN_BASE_ADDR_64
VI_ATTR_WIN_BYTE_ORDER
VI_ATTR_WIN_SIZE/VI_ATTR_WIN_SIZE_32/VI_ATTR_WIN_SIZE_64
viMapAddress/viMapAddressEx
viPeek8/viPeek16/viPeek32/viPeek64
viPoke8/viPoke16/viPoke32/viPoke64