vb教程之把VB标准的工具栏变成平面式

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vb教程之把VB标准的工具栏变成平面式

平面式的工具栏好象显得很酷！但 VB5 只提供了普通的凸起的工具栏。你是否想把它变成平面的？这似乎
很不容易。但事实并非如此，试试：
BAS:
Public Const WM_USER = &H400
Public Const TB_SETSTYLE = WM_USER + 56
Public Const TB_GETSTYLE = WM_USER + 57
Public Const TBSTYLE_FLAT = &H800
Public Declare Function SendMessageLong Lib "user32" Alias "SendMessageA" _
(ByVal hwnd As Long, _
ByVal wMsg As Long, _
ByVal wParam As Long, _
ByVal lParam As Long) As Long
Public Declare Function FindWindowEx Lib "user32" Alias "FindWindowExA" _
(ByVal hWnd1 As Long, _
ByVal hWnd2 As Long, _
ByVal lpsz1 As String, _
ByVal lpsz2 As String) As Long
SUB:
Private Sub MakeFlat()
Dim style As Long
Dim hToolbar As Long
Dim r As Long
hToolbar = FindWindowEx(Toolbar1.hwnd, 0&, "ToolbarWindow32", vbNullString)
style = SendMessageLong(hToolbar, TB_GETSTYLE, 0&, 0&)
If style And TBSTYLE_FLAT Then
style = style Xor TBSTYLE_FLAT
Else: style = style Or TBSTYLE_FLAT
End If
r = SendMessageLong(hToolbar, TB_SETSTYLE, 0, style)
Toolbar1.Refresh
End Sub
注意：需要 4.70 或其以上版本的 comctl32.dll 支持。

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