COPYDATASTRUCT

The COPYDATASTRUCT structure contains data to be passed to another application by the WM_COPYDATA message.

typedef struct tagCOPYDATASTRUCT { 
    ULONG_PTR dwData; 
    DWORD     cbData; 
    PVOID     lpData; 
} COPYDATASTRUCT, *PCOPYDATASTRUCT; 

Members

dwData

Specifies data to be passed to the receiving application.

cbData

Specifies the size, in bytes, of the data pointed to by the lpData member.

lpData

Pointer to data to be passed to the receiving application. This member can be NULL.

Requirements

  Windows NT/2000: Requires Windows NT 3.1 or later.
  Windows 95/98: Requires Windows 95 or later.
  Header: Declared in Winuser.h; include Windows.h.

See Also

Interprocess Communications Overview, Interprocess Communications Structures, WM_COPYDATA