WM_NCCREATE  118QQ9F 

The WM_NCCREATE message is sent prior to the WM_CREATE2RE1YT3 message when a window is first created.

WM_NCCREATE

lpcs = (LPCREATESTRUCT) lParam; // initialization data

Parameters

lpcs

Value of wParam. Points to the CREATESTRUCT structure for the window.

Return Values

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.

Default Action

The DefWindowProc function returns TRUE.

See Also