'/////autocad软件窗口能够出现在VB窗体中 Option Explicit Private Declare Function SetParent Lib "user32" (ByVal hWndChild As Long, ByVal hWndNewParent As Long) As Long Private Declare Function GetParent Lib "user32" (ByVal hwnd As Long) As Long Private lHwnd As Long Private Sub Form_Load() On Error GoTo ErrTrap Dim acadApp As Object Set acadApp = CreateObject("AutoCAD.Application") acadApp.Visible = True lHwnd = GetParent(GetParent(acadApp.Activedocument.hwnd)) If lHwnd = 0 Then Exit Sub SetParent lHwnd, Form1.hwnd Exit Sub ErrTrap: On Error GoTo 0 End Sub Private Sub Form_Unload(Cancel As Integer) If lHwnd = 0 Then Exit Sub SetParent lHwnd, 0 End Sub |