WM_ENTERSIZEMOVE
The
WM_ENTERSIZEMOVE message is sent once to a window when it enters the moving or
sizing mode. The window enters the moving or sizing mode when the user clicks
the window s title bar or sizing border, or when the window passes the WM_SYSCOMMAND message to the DefWindowProc function and the wParam
parameter of the message specifies the SC_MOVE or SC_SIZE value. Windows sends
the WM_ENTERSIZEMOVE message regardless of whether the dragging of full windows
is enabled.
WM_ENTERSIZEMOVE
wParam = 0;
// not used, must be zero
lParam = 0;
// not used, must be zero
Parameters
This message
has no parameters.
Return Values
An
application should return zero if it processes this message.
See Also