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vb.net百叶窗效果 js百叶窗效果( 三 )

IT技术效果


Loop
Picture1.AutoSize = True
Picture1.AutoRedraw = True
Picture1.Visible = False
' Me.AutoSize = False
Me.AutoRedraw = True
Me.Visible = True
Timer1.Interval = 10
Timer1.Enabled = False
Timer2.Interval = 50
Timer2.Enabled = False
If Pic_num0 Then
Picture1.Picture = LoadPicture(App.Path"\pic\"Pic_name(0))
Me.PaintPicture Picture1.Picture, 0, 0, Me.ScaleWidth, Me.ScaleHeight, 0, 0, Picture1.ScaleWidth, Picture1.ScaleHeight
Timer1.Enabled = True
Timer1.Interval = 2000
Else
MsgBox ("没有图片显示！")
End If
End Sub
Private Sub Form_Resize()
Me.Width = Me.Width
Me.Height = Me.Width
Me.Top = 0
Me.Left = 0
End Sub
Private Sub Timer1_Timer()
Dim L_id As Long
Randomize
L_id = Int((Pic_num) * Rnd)
Picture1.Picture = LoadPicture(App.Path"\pic\"Pic_name(L_id))
bili_w = Picture1.ScaleWidth / Me.ScaleWidth
bili_h = Picture1.ScaleHeight / Me.ScaleHeight
p_width = Me.Width / 100
p_height = Me.Height / 100
pic_star = 0
Randomize
v_mod = Int(10 * Rnd)
'v_mod = 9'取消单引号并修改常数数可看单一效果
Timer1.Enabled = False
Timer2.Enabled = True
End Sub
Private Sub Timer2_Timer()
If pic_star101 Then
pic_star = pic_star + 1
Select Case v_mod
Case 0
Me.PaintPicture Picture1.Picture, 0, 0, Me.Width, pic_star * p_height, 0, 0, Picture1.Width, bili_h * pic_star * p_height '从上向下
Case 1
Me.PaintPicture Picture1.Picture, 0, 0, pic_star * p_width, Me.Height, 0, 0, bili_w * pic_star * p_width, Picture1.Height '从左向右
Case 2
Me.PaintPicture Picture1.Picture, 0, 0, Me.Width, pic_star * p_height, 0, 0, Picture1.Width, Picture1.Height '压缩的从上向下
Case 3
Me.PaintPicture Picture1.Picture, 0, 0, pic_star * p_width, Me.Height, 0, 0, Picture1.Width, Picture1.Height '压缩的从左向右
Case 4
Me.PaintPicture Picture1.Picture, 0, 0, pic_star * p_width, pic_star * p_height, 0, 0, Picture1.Width, Picture1.Height '压缩的从左上向右下
Case 5
Me.PaintPicture Picture1.Picture, Me.Width - pic_star * p_width, Me.Height - pic_star * p_height, pic_star * p_width, pic_star * p_height, 0, 0, Picture1.Width, Picture1.Height '压缩的从右下向左上
Case 6
Me.PaintPicture Picture1.Picture, Me.Width / 2 - pic_star * p_width / 2, 0, pic_star * p_width / 2, Me.Height, 0, 0, Picture1.Width / 2, Picture1.Height '压缩的从中向左
Me.PaintPicture Picture1.Picture, Me.Width / 2, 0, pic_star * p_width, Me.Height, Picture1.Width / 2, 0, Picture1.Width, Picture1.Height'压缩的从中向右
Case 7
Me.PaintPicture Picture1.Picture, 0, Me.Height / 2 - pic_star * p_height / 2, Me.Width, pic_star * p_height / 2, 0, 0, Picture1.Width, Picture1.Height / 2 '压缩的从中向上
Me.PaintPicture Picture1.Picture, 0, Me.Height / 2, Me.Width, pic_star * p_height, 0, Picture1.Height / 2, Picture1.Width, Picture1.Height '压缩的从中向下
Case 8
Me.PaintPicture Picture1.Picture, Me.Width / 2 - pic_star * p_width / 2, Me.Height / 2 - pic_star * p_height / 2, pic_star * p_width / 2, pic_star * p_height / 2, 0, 0, Picture1.Width / 2, Picture1.Height / 2 '压缩的从中向左上
Me.PaintPicture Picture1.Picture, Me.Width / 2, Me.Height / 2, pic_star * p_width, pic_star * p_height, Picture1.Width / 2, Picture1.Height / 2, Picture1.Width, Picture1.Height '压缩的从中向右下
Me.PaintPicture Picture1.Picture, Me.Width / 2, Me.Height / 2 - pic_star * p_height / 2, pic_star * p_width / 2, pic_star * p_height / 2, Picture1.Width / 2, 0, Picture1.Width / 2, Picture1.Height / 2 '压缩的从中向右上
Me.PaintPicture Picture1.Picture, Me.Width / 2 - pic_star * p_width / 2, Me.Height / 2, pic_star * p_width / 2, pic_star * p_height / 2, 0, Picture1.Height / 2, Picture1.Width / 2, Picture1.Height / 2 '压缩的从中向左下

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