📄 如何禁止窗口改变大小,同时允许最小化、最大化.txt
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BorderStyle改 为 FixedSingle后 , 再 把 下 面 的 MinButton和 /或 MaxButton设 为 True就 可 以 了 。
主 持 人 注 : 下 面 的 两 种 方 法 也 可 以 满 足 要 求 , 虽 然 比 上 面 的 方 法 麻 烦 , 但 可 以 供 大 家 开 阔 思 路 。
<END>
Private Const WS_THICKFRAME = &H40000
Private Const GWL_EXSTYLE = (-20)
Private Const GWL_STYLE = (-16)
Private Declare Function SetWindowLong Lib "user32" Alias "SetWindowLongA" _
(ByVal hwnd As Long, _
ByVal nIndex As Long, _
ByVal dwNewLong As Long) As Long
Private Declare Function GetWindowLong Lib "user32" Alias "GetWindowLongA" _
(ByVal hwnd As Long, _
ByVal nIndex As Long) As Long
Private Sub Form_Load()
Dim xl As Long
Me.Show
Debug.Print Hex(Not WS_THICKFRAME)
xl = GetWindowLong(Form1.hwnd, GWL_STYLE)
xl = xl And (Not WS_THICKFRAME)
SetWindowLong Form1.hwnd, GWL_STYLE, xl
End Sub
<END>
Private Declare Function GetSystemMenu Lib "user32" (ByVal hwnd As Long, ByVal bRevert As Long) As Long
Private Declare Function DeleteMenu Lib "user32" (ByVal hMenu As Long, ByVal nPosition As Long, ByVal wFlags As Long) As Long
Private Const SC_SIZE = &HF000
Private Const MF_BYCOMMAND = &H0&
Private Sub Form_Load()
Dim hMenu As Long, Success As Long
hMenu = GetSystemMenu(Form1.hwnd, 0)
Success = DeleteMenu(hMenu, SC_SIZE, MF_BYCOMMAND)
End Sub
<END>
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