想知道这些常量的意义
在一本书上看到关于窗体的API使用.里面用了很多&H2,&H1之类的常量,我很想知道这些常量都是起什么作用的.望各位老大不吝赐教.
先谢了.
代码如下:
Option Explicit
Public Declare Function SetWindowPos Lib "user32" (ByVal hwnd As Long, ByVal hWndInsertAfter As Long, ByVal x As Long, ByVal y As Long, ByVal cx As Long, ByVal cy As Long, ByVal wFlags As Long) As Long
Public Const hwnd_topmost = -1
Public Const swp_nomove = &H2
Public Const swp_nosize = &H1
Public Const swp_framechanged = &H20
Public Const swp_drawframe = swp_framechanged
Public Const hwnd_botton = 1
Public Const hwnd_broadcast = &HFFFF&
Public Const hwnd_desktop = 0
Public Const hwnd_notopmost = -2
Public Const hwnd_top = 0
Public Const swp_hidewindow = &H80
Public Const swp_noactivate = &H10
Public Const swp_noownerzorder = &H200
Public Const swp_noredram = &H8
Public Const swp_nozorder = &H4
Public Const swp_showwindow = &H40
Public Const Flags = swp_drawframe Or swp_nomove Or swp_nosize