ID Number: Q71837
3.00
WINDOWS
docerr
Summary:
The return value from the WM_MDICREATE message is documented
incorrectly on pages 6-75 and 6-76 of the "Windows Software
Development Kit Reference Volume 1."
The handle to the newly created child window is returned in the return
value low word.
Note: If the child window ID is required and the handle to the child
window is available, the GetWindowWord() can be used to obtain the ID.