Windows apps
Collapse the table of content
Expand the table of content
Information
The topic you requested is included in another documentation set. For convenience, it's displayed below. Choose Switch to see the topic in its original location.

WM_NCCREATE message

Sent prior to the WM_CREATE message when a window is first created.

A window receives this message through its WindowProc function.


#define WM_NCCREATE                     0x0081

Parameters

wParam

This parameter is not used.

lParam

A pointer to the CREATESTRUCT structure that contains information about the window being created. The members of CREATESTRUCT are identical to the parameters of the CreateWindowEx function.

Return value

Type: LRESULT

If an application processes this message, it should return TRUE to continue creation of the window. If the application returns FALSE, the CreateWindow or CreateWindowEx function will return a NULL handle.

Requirements

Minimum supported client

Windows 2000 Professional [desktop apps only]

Minimum supported server

Windows 2000 Server [desktop apps only]

Header

Winuser.h (include Windows.h)

See also

Reference
CreateWindow
CreateWindowEx
DefWindowProc
CREATESTRUCT
WM_CREATE
Conceptual
Windows

 

 

Show:
© 2017 Microsoft