Tristan Schmelcher tristan_schmelcher@alumni.uwaterloo.ca wrote:
I think CBR_BLOCK is only for values of type HDDEDATA. The cbData value here is a DWORD (specifying a length). (DWORD)-1 seems to be the preferred way of checking this condition in the existing code, e.g. see dlls/user32/dde_client.c lines 637, 648, etc.
You are right.