Type RECT
Left As Long
Top As Long
Right As Long
Bottom As Long
End Type

Declare Function GetWindowRect Lib "user32" (ByVal hwnd As Long, lpRect As RECT) As Long
Declare Function GetDC Lib "user32" (ByVal hwnd As Long) As Long
Declare Function ReleaseDC Lib "user32" (ByVal hwnd As Long, ByVal hdc As Long) As Long
Declare Function SetBkColor Lib "gdi32" (ByVal hdc As Long, ByVal crColor As Long) As Long
Declare Function Rectangle Lib "gdi32" (ByVal hdc As Long, ByVal X1 As Long, ByVal Y1 As Long, ByVal X2 As Long, ByVal Y2 As Long) As Long
Declare Function CreateSolidBrush Lib "gdi32" (ByVal crColor As Long) As Long
Declare Function SelectObject Lib "user32" (ByVal hdc As Long, ByVal hObject As Long) As Long
Declare Function DeleteObject Lib "gdi32" (ByVal hObject As Long) As Long
'动态打开窗体
Sub ExplodeForm(f As Form, Movement As Integer)
Dim myRect As RECT
Dim formWidth%, formHeight%, i%, X%, Y%, Cx%, Cy%
Dim TheScreen As Long
Dim Brush As Long
GetWindowRect f.hwnd, myRect
formWidth = (myRect.Right - myRect.Left)
formHeight = myRect.Bottom - myRect.Top
TheScreen = GetDC(0)
Brush = CreateSolidBrush(f.BackColor)
For i = 1 To Movement
Cx = formWidth * (i / Movement)
Cy = formHeight * (i / Movement)
X = myRect.Left + (formWidth - Cx) / 2
Y = myRect.Top + (formHeight - Cy) / 2
Rectangle TheScreen, X, Y, X + Cx, Y + Cy
Next i
X = ReleaseDC(0, TheScreen)
DeleteObject (Brush)

End Sub
'动态关闭窗体
Public Sub ImplodeForm(f As Form, Direction As Integer, Movement As Integer, ModalState As Integer)
Dim myRect As RECT
Dim formWidth%, formHeight%, i%, X%, Y%, Cx%, Cy%
Dim TheScreen As Long
Dim Brush As Long
GetWindowRect f.hwnd, myRect
formWidth = (myRect.Right - myRect.Left)
formHeight = myRect.Bottom - myRect.Top
TheScreen = GetDC(0)
Brush = CreateSolidBrush(f.BackColor)
For i = Movement To 1 Step -1
Cx = formWidth * (i / Movement)
Cy = formHeight * (i / Movement)
X = myRect.Left + (formWidth - Cx) / 2
Y = myRect.Top + (formHeight - Cy) / 2
Rectangle TheScreen, X, Y, X + Cx, Y + Cy
Next i
X = ReleaseDC(0, TheScreen)
DeleteObject (Brush)
End Sub

'在窗体中声明，在窗体上添加一命令按钮
Private Sub Command1_Click()
Call ImplodeForm(Me, 2, 500, 1)
End
Set Form1 = Nothing
End Sub
'加载
Private Sub Form_Load()
Call ExplodeForm(Me, 500)
End Sub
'关闭
Private Sub Form_QueryUnload(Cancel As Integer, UnloadMode As Integer)
Call ImplodeForm(Me, 2, 500, 1)
End Sub