129.txt

介绍VB里的各种控件的使用方法,窗口控制,图像编程以及OCX等内容,还提供了一个API集供参考.

生成一个透明窗体 
Private Declare Function CreateCompatibleBitmap Lib "gdi32" (ByVal hdc As Long, ByVal nWidth As Long, ByVal nHeight As Long) As Long
Private Declare Function SelectObject Lib "gdi32" (ByVal hdc As Long, ByVal hObject As Long) As Long 
Private Sub Form_Load()
Dim hBitmap As Integer
Me.AutoRedraw = True
hBitmap = CreateCompatibleBitmap(Me.hdc, 0, 0)
SelectObject Me.hdc, hBitmap
Me.Refresh
End Sub