是不是动态设计? Private Declare Function SetWindowLong Lib "user32" Alias "SetWindowLongA" _ (ByVal hwnd As Long, ByVal nIndex As Long, ByVal dwNewLong As Long) As LongPrivate Declare Function GetWindowLong Lib "user32" Alias "GetWindowLongA" _ (ByVal hwnd As Long, ByVal nIndex As Long) As LongPrivate Const GWL_STYLE = (-16) Private Const WS_CAPTION = &HC00000 ' WS_BORDER 或 WS_DLGFRAME Private Const WS_MAXIMIZEBOX = &H10000 Private Const WS_MINIMIZEBOX = &H20000 Private Const WS_SYSMENU = &H80000Private 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 LongPrivate Enum ESetWindowPosStyles SWP_SHOWWINDOW = &H40 SWP_HIDEWINDOW = &H80 SWP_FRAMECHANGED = &H20 ' The frame changed: send WM_NCCALCSIZE SWP_NOACTIVATE = &H10 SWP_NOCOPYBITS = &H100 SWP_NOMOVE = &H2 SWP_NOOWNERZORDER = &H200 ' Don't do owner Z ordering SWP_NOREDRAW = &H8 SWP_NOREPOSITION = SWP_NOOWNERZORDER SWP_NOSIZE = &H1 SWP_NOZORDER = &H4 SWP_DRAWFRAME = SWP_FRAMECHANGED HWND_NOTOPMOST = -2 End EnumPrivate Declare Function GetWindowRect Lib "user32" (ByVal hwnd As Long, lpRect As RECT) As Long Private Type RECT Left As Long Top As Long Right As Long Bottom As Long End TypePrivate Function ShowTitleBar(ByVal bState As Boolean) Dim lStyle As Long Dim tR As RECT ' 获取窗口的位置: GetWindowRect Me.hwnd, tR ' 调整标题栏是否可见: lStyle = GetWindowLong(Me.hwnd, GWL_STYLE) If (bState) Then Me.Caption = Me.Tag If Me.ControlBox Then lStyle = lStyle Or WS_SYSMENU End If If Me.MaxButton Then lStyle = lStyle Or WS_MAXIMIZEBOX End If If Me.MinButton Then lStyle = lStyle Or WS_MINIMIZEBOX End If If Me.Caption <> "" Then lStyle = lStyle Or WS_CAPTION End If Else Me.Tag = Me.Caption Me.Caption = "" lStyle = lStyle And Not WS_SYSMENU lStyle = lStyle And Not WS_MAXIMIZEBOX lStyle = lStyle And Not WS_MINIMIZEBOX lStyle = lStyle And Not WS_CAPTION End If SetWindowLong Me.hwnd, GWL_STYLE, lStyle' 重新设定窗口: SetWindowPos Me.hwnd, 0, tR.Left, tR.Top, tR.Right - tR.Left, tR.Bottom - tR.Top, SWP_NOREPOSITION Or SWP_NOZORDER Or SWP_FRAMECHANGED Me.Refresh' 你可能需要在Form_Resize中加一点代码,因为客户区的大小已经改变: 'Form_ResizeEnd Function '为了试验一下代码,在窗体上放一个CheckBox,将它的Value属性设为1 (Checked)。然后写入以下代码:Private Sub Check1_Click() If (Check1.Value = Checked) Then ShowTitleBar True Else ShowTitleBar False End If End Sub
Caption = ""
Caption = ""
Form的BorderStyle属性为0 - None
Form的BorderStyle属性为0 - None
Form1.Caption = "" '无标题,这个一定要加,否则如果你的窗体有标题文字,标题栏还是会有的。
Form1.ControlBox设置有无状态栏
Caption = ""
Private Declare Function SetWindowLong Lib "user32" Alias "SetWindowLongA" _
(ByVal hwnd As Long, ByVal nIndex As Long, ByVal dwNewLong As Long) As LongPrivate Declare Function GetWindowLong Lib "user32" Alias "GetWindowLongA" _
(ByVal hwnd As Long, ByVal nIndex As Long) As LongPrivate Const GWL_STYLE = (-16)
Private Const WS_CAPTION = &HC00000 ' WS_BORDER 或 WS_DLGFRAME
Private Const WS_MAXIMIZEBOX = &H10000
Private Const WS_MINIMIZEBOX = &H20000
Private Const WS_SYSMENU = &H80000Private 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 LongPrivate Enum ESetWindowPosStyles
SWP_SHOWWINDOW = &H40
SWP_HIDEWINDOW = &H80
SWP_FRAMECHANGED = &H20 ' The frame changed: send WM_NCCALCSIZE
SWP_NOACTIVATE = &H10
SWP_NOCOPYBITS = &H100
SWP_NOMOVE = &H2
SWP_NOOWNERZORDER = &H200 ' Don't do owner Z ordering
SWP_NOREDRAW = &H8
SWP_NOREPOSITION = SWP_NOOWNERZORDER
SWP_NOSIZE = &H1
SWP_NOZORDER = &H4
SWP_DRAWFRAME = SWP_FRAMECHANGED
HWND_NOTOPMOST = -2
End EnumPrivate Declare Function GetWindowRect Lib "user32" (ByVal hwnd As Long, lpRect As RECT) As Long
Private Type RECT
Left As Long
Top As Long
Right As Long
Bottom As Long
End TypePrivate Function ShowTitleBar(ByVal bState As Boolean)
Dim lStyle As Long
Dim tR As RECT ' 获取窗口的位置:
GetWindowRect Me.hwnd, tR ' 调整标题栏是否可见:
lStyle = GetWindowLong(Me.hwnd, GWL_STYLE)
If (bState) Then
Me.Caption = Me.Tag
If Me.ControlBox Then
lStyle = lStyle Or WS_SYSMENU
End If
If Me.MaxButton Then
lStyle = lStyle Or WS_MAXIMIZEBOX
End If
If Me.MinButton Then
lStyle = lStyle Or WS_MINIMIZEBOX
End If
If Me.Caption <> "" Then
lStyle = lStyle Or WS_CAPTION
End If
Else
Me.Tag = Me.Caption
Me.Caption = ""
lStyle = lStyle And Not WS_SYSMENU
lStyle = lStyle And Not WS_MAXIMIZEBOX
lStyle = lStyle And Not WS_MINIMIZEBOX
lStyle = lStyle And Not WS_CAPTION
End If
SetWindowLong Me.hwnd, GWL_STYLE, lStyle' 重新设定窗口:
SetWindowPos Me.hwnd, 0, tR.Left, tR.Top, tR.Right - tR.Left, tR.Bottom - tR.Top, SWP_NOREPOSITION Or SWP_NOZORDER Or SWP_FRAMECHANGED
Me.Refresh' 你可能需要在Form_Resize中加一点代码,因为客户区的大小已经改变:
'Form_ResizeEnd Function
'为了试验一下代码,在窗体上放一个CheckBox,将它的Value属性设为1 (Checked)。然后写入以下代码:Private Sub Check1_Click()
If (Check1.Value = Checked) Then
ShowTitleBar True
Else
ShowTitleBar False
End If
End Sub