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Ò»¸öCommonDialog£¬Ò»¸öCommandButton£¬Ò»¸öPictureBOX
Option Explicit
Private Declare Function DrawIcon Lib "user32" (ByVal hdc As Long, ByVal x As Long, ByVal y As Long, ByVal hIcon As Long) As Long
Private Declare Function ExtractIcon Lib "shell32.dll" Alias "ExtractIconA" (ByVal hInst As Long, ByVal lpszExeFileName As String, ByVal nIconIndex As Long) As Long
Private Sub Command1_Click()
Dim total As Long
Dim p(50) As Long
Dim i As Integer
Me.Picture1.Cls
Me.CommonDialog1.Filter = "ͼ±ê|*.Exe;*.Ico;*.Dll"
Me.CommonDialog1.ShowOpen
If Dir(Me.CommonDialog1.FileName) <> "" Then
If ExtractIcon(App.hInstance, Me.CommonDialog1.FileName, -1) = 0 Then 'Èç¹ûûÓÐͼ±ê
MsgBox "No Icon!"
Else
total = ExtractIcon(App.hInstance, Me.CommonDialog1.FileName, -1)
'È¡µÃ×Üͼ±êÊý
For i = 0 To total - 1
p(i) = ExtractIcon(App.hInstance, Me.CommonDialog1.FileName, i) '¶Áȡÿ¸öͼ±ê
Next i
For i = 0 To total - 1 'ÒÀ´ÎÏÔʾÿ¸öͼ±ê
DrawIcon Picture1.hdc, 34 * i, 0, p(i)
Next i
End If
End If
End Sub


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Private Sub Form_load()
    'ÅжϳÌÐòÊÇ·ñÒѾ­ÔËÐÐ
    If App.PrevInstance
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     MsgBox "±¾³ÌÐòÒѾ­ÔËÐУ¡", vbInformation Or vbOKOnly, "ÌáʾÐÅÏ¢"
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Dim p(10000, 1) As Double
Dim num As Integer
Dim ptx As Single
Dim pty As Single
Dim w0, w1, w2, w3 As Single
Private Sub Command1_Click()
Dim t As Single
 Dim i As Integer
 Dim f0, f1, f2, f3 As Single
 Picture1.DrawWidth = 3
      For t = 0 To 1 St ......
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