FIX: ?? ???? ??????? ????? ????? ????? ?? MDI ?????? ??? ??? ??????? ??????

?????? ????????? ?????? ?????????
???? ???????: 839577 - ??? ???????? ???? ????? ????? ??? ???????.
????? ???? | ?? ????

?? ??? ??????

???????

??? ???? ???? ???? ?????? ?? ????? ????? ????? ??????? ?????? (MDI) ? ?? ???? ??????? ??? ????. ???? ??? ??????? ????? ????? ???? ???? ???????? ??? ???????. ?????? ??????? ????? ???????? ????? ????? ??????? ??? ???? ??????? ?? ??????? ??????? ???? ?? ???? ??????? ?????.

?????

????? ????? ???? ???? ?????? ??? ??????? ? ???? ???? ???????? ???? ???? ???. ??? ???? ????? ????? ???? ???? ???????? ??? ??????? ? ??????? ActiveControl.Focused ???????? ?? Microsoft .NET Framework 1.1 ?????? ??? ????? ?? ????? True. ????? ??????? ???? ???? ???????? ???? ??????? ?????? ???? ???? ????????. ???? ??? ??????? ??? ????? ????? ??????? ????? ?????? ??? ??? ??????? ??????.

????

??? ??? ???????? ??? ?????? ??? ???? ???? ???? ??????? Microsoft .NET Framework 1.1. ????? ????? ?????? ??????? ?? "???? ??????? ?? Microsoft":

Microsoft .NET Framework 1.1 Service Pack 1
http://www.microsoft.com/downloads/details.aspx?FamilyId=A8F5654F-088E-40B2-BBDB-A83353618B38

?????

???? Microsoft ?? ??? ????? ?? ?????? Microsoft ??????? ?? ??? "????? ???". ?? ????? ??? ??????? ???? ??? ?? Microsoft .NET Framework 1.1 ?????? ????? ?????? Service Pack 1.

??????? ????

????? ????? ????? ???????

  1. ????? ??? ???? ???? ??????. ?????? ????? ???? ??????? ???????:
    1. ??? ????? Microsoft Visual Studio .NET.
    2. ?? ??????? ???? ??? ??? ???? ?? ???? ??? ???????.

      ???? ???? ?????? ????? ????.
    3. ??? ????? Project ? ???? ??? ?????? Visual Basic.
    4. ??? ????? ? ???? ??? Windows "????? ??????".
    5. ?? ?????? ?????? ???? testusercontrol ??? ?? ???? ??? ?????.

      ?????????? ???? ??? ???? Usercontrol1.vb.
    6. ????? ???? ???? ???? ?? ??? Usercontrol1.vb ??? [?????].
    7. ?? ??????? ????? ? ???? ??? ???? ????.
  2. ????? ????? Windows ??? ???????. ?????? ????? ???? ??????? ???????:
    1. ?? ??????? ???? ??? ??? ????? Project ? ?? ???? ??? ????? ????.

      ???? ???? ?????? ????? ????.
    2. ??? ????? Project ? ???? ??? ?????? Visual Basic.
    3. ??? ????? ? ???? ??? Windows ?????.
    4. ?? ?????? ?????? ???? user_control_scroll_UI ??? ?? ???? ??? ?????.

      ?????????? ???? ????? ???? Form1.
    5. ?? "?????? ??????" ???? ??? ?????? ?????? ??? user_control_scroll_UI ??? ?? ???? ??? ????? ????.

      ???? ???? ?????? ????? ??????.
    6. ???? ??? ????? ??????? ?????? ? ???? ??? ????? ?? ???? ??? ????? ?????? testusercontrol ??? ???? ???????.
    7. ???? ??? ?????? ?????? ??? ??????? ???? ???? Form1 ?? ???? ??? ??? ???.
    8. ??????? ????????? ???????? ???????? ?? ????????? ???????? ???????:
      Option Strict On
      Option Explicit On 
      
      Public Class MDIChild
          Inherits System.Windows.Forms.Form
      
      #Region " Windows Forms Designer generated code "
      
          Public Sub New()
              MyBase.New()
      
              'This call is required by the Windows Forms Designer.
              InitializeComponent()
      
              'Add any initialization after the InitializeComponent() call.
      
          End Sub
      
          'The Form overrides dispose to clean up the component list.
          Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
              If disposing Then
                  If Not (components Is Nothing) Then
                      components.Dispose()
                  End If
              End If
              MyBase.Dispose(disposing)
          End Sub
      
          'This is required by the Windows Forms Designer.
          Private components As System.ComponentModel.IContainer
      
          'Note The following procedure is required by the Windows Forms Designer.
          'The following procedure can be modified by using the Windows Forms Designer.  
          'Do not modify the following procedure by using the code editor.
          Friend WithEvents UserControl11 As testusercontrol.UserControl1
          Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
          Friend WithEvents TextBox2 As System.Windows.Forms.TextBox
          Friend WithEvents TextBox3 As System.Windows.Forms.TextBox
          Friend WithEvents TextBox4 As System.Windows.Forms.TextBox
          Friend WithEvents TextBox5 As System.Windows.Forms.TextBox
          Friend WithEvents TextBox6 As System.Windows.Forms.TextBox
          Friend WithEvents UserControl12 As testusercontrol.UserControl1
          <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
              Me.UserControl11 = New testusercontrol.UserControl1
              Me.TextBox1 = New System.Windows.Forms.TextBox
              Me.TextBox2 = New System.Windows.Forms.TextBox
              Me.TextBox3 = New System.Windows.Forms.TextBox
              Me.TextBox4 = New System.Windows.Forms.TextBox
              Me.TextBox5 = New System.Windows.Forms.TextBox
              Me.TextBox6 = New System.Windows.Forms.TextBox
              Me.UserControl12 = New testusercontrol.UserControl1
              Me.SuspendLayout()
              '
              'UserControl11
              '
              Me.UserControl11.Location = New System.Drawing.Point(26, 30)
              Me.UserControl11.Name = "UserControl11"
              Me.UserControl11.Size = New System.Drawing.Size(104, 24)
              Me.UserControl11.TabIndex = 0
              '
              'TextBox1
              '
              Me.TextBox1.Location = New System.Drawing.Point(26, 161)
              Me.TextBox1.Name = "TextBox1"
              Me.TextBox1.TabIndex = 1
              Me.TextBox1.Text = "TextBox1"
              '
              'TextBox2
              '
              Me.TextBox2.Location = New System.Drawing.Point(26, 384)
              Me.TextBox2.Name = "TextBox2"
              Me.TextBox2.Size = New System.Drawing.Size(103, 20)
              Me.TextBox2.TabIndex = 2
              Me.TextBox2.Text = "TextBox2"
              '
              'TextBox3
              '
              Me.TextBox3.Location = New System.Drawing.Point(26, 541)
              Me.TextBox3.Name = "TextBox3"
              Me.TextBox3.TabIndex = 3
              Me.TextBox3.Text = "TextBox3"
              '
              'TextBox4
              '
              Me.TextBox4.Location = New System.Drawing.Point(26, 725)
              Me.TextBox4.Name = "TextBox4"
              Me.TextBox4.TabIndex = 4
              Me.TextBox4.Text = "TextBox4"
              '
              'TextBox5
              '
              Me.TextBox5.Location = New System.Drawing.Point(26, 929)
              Me.TextBox5.Name = "TextBox5"
              Me.TextBox5.TabIndex = 5
              Me.TextBox5.Text = "TextBox5"
              '
              'TextBox6
              '
              Me.TextBox6.Location = New System.Drawing.Point(26, 1394)
              Me.TextBox6.Name = "TextBox6"
              Me.TextBox6.TabIndex = 7
              Me.TextBox6.Text = "TextBox6"
              '
              'UserControl12
              '
              Me.UserControl12.Location = New System.Drawing.Point(26, 1142)
              Me.UserControl12.Name = "UserControl12"
              Me.UserControl12.Size = New System.Drawing.Size(103, 27)
              Me.UserControl12.TabIndex = 6
              '
              'MDIChild
              '
              Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
              Me.AutoScroll = True
              Me.ClientSize = New System.Drawing.Size(275, 266)
              Me.Controls.Add(Me.UserControl12)
              Me.Controls.Add(Me.TextBox6)
              Me.Controls.Add(Me.TextBox5)
              Me.Controls.Add(Me.TextBox4)
              Me.Controls.Add(Me.TextBox3)
              Me.Controls.Add(Me.TextBox2)
              Me.Controls.Add(Me.TextBox1)
              Me.Controls.Add(Me.UserControl11)
              Me.Name = "MDIChild"
              Me.Text = "MDIChild"
              Me.ResumeLayout(False)
      
          End Sub
      
      #End Region
      
      End Class
      
    9. ?? "?????? ??????" ???? ??? ?????? ?????? ??? user_control_scroll_UI ???? ??? ????? ?? ???? ??? ????? ???? ????.

      ???? ???? ?????? ????? ???? ???? - user_control_scroll_UI.
    10. ?? ?????? ?????? ???? Mdi.vb ??? ?? ???? ??? ???.

      ???? ????? ?????? Mdi.vb.
    11. ?? "?????? ??????" ???? ??? ?????? ?????? ??? ??????? ???? ???? Mdi.vb ??? ?? ???? ??? ??? ????????? ????????.
    12. ??????? ????????? ???????? ???????? ?? ????????? ???????? ???????:
      Option Strict On
      Option Explicit On 
      
      Public Class MDI
          Inherits System.Windows.Forms.Form
      
      #Region " Windows Forms Designer generated code "
      
          Public Sub New()
              MyBase.New()
      
              'This call is required by the Windows Forms Designer.
              InitializeComponent()
      
              'Add any initialization after the InitializeComponent() call.
      
          End Sub
      
          'The Form overrides dispose to clean up the component list.
          Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
              If disposing Then
                  If Not (components Is Nothing) Then
                      components.Dispose()
                  End If
              End If
              MyBase.Dispose(disposing)
          End Sub
      
          'This is required by the Windows Forms Designer.
          Private components As System.ComponentModel.IContainer
      
          'Note The following procedure is required by the Windows Forms Designer
          'The following procedure can be modified by using the Windows Forms Designer.  
          'Do not modify the following procedure by using the code editor.
          Friend WithEvents MainMenu1 As System.Windows.Forms.MainMenu
          Friend WithEvents mnuAutoScroll As System.Windows.Forms.MenuItem
          Friend WithEvents mnuVScroll As System.Windows.Forms.MenuItem
          <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
              Me.MainMenu1 = New System.Windows.Forms.MainMenu
              Me.mnuAutoScroll = New System.Windows.Forms.MenuItem
              Me.mnuVScroll = New System.Windows.Forms.MenuItem
              '
              'MainMenu1
              '
              Me.MainMenu1.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.mnuAutoScroll, Me.mnuVScroll})
              '
              'mnuAutoScroll
              '
              Me.mnuAutoScroll.Index = 0
              Me.mnuAutoScroll.Text = "Load AutoScroll Child"
              '
              'mnuVScroll
              '
              Me.mnuVScroll.Index = 1
              Me.mnuVScroll.Text = "Load VScroll Child"
              '
              'MDI
              '
              Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
              Me.ClientSize = New System.Drawing.Size(366, 299)
              Me.IsMdiContainer = True
              Me.Menu = Me.MainMenu1
              Me.Name = "MDI"
              Me.Text = "MDI"
      
          End Sub
      
      #End Region
      
      
          Private Sub MDI_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles MyBase.Load
          End Sub
      
          Private Sub mnuAutoScroll_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles mnuAutoScroll.Click
              Dim currentForm As New MDIChild
      
              currentForm.MdiParent = Me
              currentForm.WindowState = FormWindowState.Maximized
              currentForm.Show()
              currentForm.BringToFront()
          End Sub
      
          Private Sub mnuVScroll_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles mnuVScroll.Click
              Dim currentForm As New VScrollChild
      
              currentForm.MdiParent = Me
              currentForm.WindowState = FormWindowState.Maximized
              currentForm.Show()
              currentForm.BringToFront()
          End Sub
      End Class
      
    13. ?? "?????? ??????" ???? ??? ?????? ?????? ??? user_control_scroll_UI ???? ??? ????? ?? ???? ??? ????? ???? ????.

      ???? ???? ?????? ????? ???? ???? - user_control_scroll_UI.
    14. ?? ?????? ?????? ???? Vscroll.vb ??? ?? ???? ??? ???.

      ???? ????? ?????? Vscroll.vb.
    15. ?? "?????? ??????" ???? ??? ?????? ?????? ??? ??????? ???? ???? Vscroll.vb ??? ?? ???? ??? ??? ????????? ????????.
    16. ??????? ????????? ???????? ???????? ?? ????????? ???????? ???????: ption
      ption Strict On
      Option Explicit On 
      
      Public Class VScrollChild
          Inherits System.Windows.Forms.Form
      
      #Region " Windows Forms Designer generated code "
      
          Public Sub New()
              MyBase.New()
      
              'This call is required by the Windows Forms Designer.
              InitializeComponent()
      
              'Add any initialization after the InitializeComponent() call.
      
          End Sub
      
          'The form overrides dispose to clean up the component list.
          Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
              If disposing Then
                  If Not (components Is Nothing) Then
                      components.Dispose()
                  End If
              End If
              MyBase.Dispose(disposing)
          End Sub
      
          'This is required by the Windows Forms Designer.
          Private components As System.ComponentModel.IContainer
      
          'Note The following procedure is required by the Windows Forms Designer.
          'The following procedure can be modified by using the Windows Forms Designer.  
          'Do not modify the following procedure by using the code editor.
          Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
          Friend WithEvents TextBox2 As System.Windows.Forms.TextBox
          Friend WithEvents TextBox3 As System.Windows.Forms.TextBox
          Friend WithEvents TextBox4 As System.Windows.Forms.TextBox
          Friend WithEvents TextBox5 As System.Windows.Forms.TextBox
          Friend WithEvents TextBox6 As System.Windows.Forms.TextBox
          Friend WithEvents testUcNum1 As testusercontrol.UserControl1
          Friend WithEvents VScrollBar1 As System.Windows.Forms.VScrollBar
          Friend WithEvents testUcNum2 As testusercontrol.UserControl1
          <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
              Me.testUcNum1 = New testusercontrol.UserControl1
              Me.TextBox1 = New System.Windows.Forms.TextBox
              Me.TextBox2 = New System.Windows.Forms.TextBox
              Me.TextBox3 = New System.Windows.Forms.TextBox
              Me.TextBox4 = New System.Windows.Forms.TextBox
              Me.TextBox5 = New System.Windows.Forms.TextBox
              Me.TextBox6 = New System.Windows.Forms.TextBox
              Me.VScrollBar1 = New System.Windows.Forms.VScrollBar
              Me.testUcNum2 = New testusercontrol.UserControl1
              Me.SuspendLayout()
              '
              'testUcNum1
              '
              Me.testUcNum1.Location = New System.Drawing.Point(26, 30)
              Me.testUcNum1.Name = "testUcNum1"
              Me.testUcNum1.Size = New System.Drawing.Size(104, 24)
              Me.testUcNum1.TabIndex = 0
              '
              'TextBox1
              '
              Me.TextBox1.Location = New System.Drawing.Point(26, 161)
              Me.TextBox1.Name = "TextBox1"
              Me.TextBox1.TabIndex = 1
              Me.TextBox1.Text = "TextBox1"
              '
              'TextBox2
              '
              Me.TextBox2.Location = New System.Drawing.Point(26, 384)
              Me.TextBox2.Name = "TextBox2"
              Me.TextBox2.Size = New System.Drawing.Size(103, 20)
              Me.TextBox2.TabIndex = 2
              Me.TextBox2.Text = "TextBox2"
              '
              'TextBox3
              '
              Me.TextBox3.Location = New System.Drawing.Point(26, 541)
              Me.TextBox3.Name = "TextBox3"
              Me.TextBox3.TabIndex = 3
              Me.TextBox3.Text = "TextBox3"
              '
              'TextBox4
              '
              Me.TextBox4.Location = New System.Drawing.Point(26, 725)
              Me.TextBox4.Name = "TextBox4"
              Me.TextBox4.TabIndex = 4
              Me.TextBox4.Text = "TextBox4"
              '
              'TextBox5
              '
              Me.TextBox5.Location = New System.Drawing.Point(26, 929)
              Me.TextBox5.Name = "TextBox5"
              Me.TextBox5.TabIndex = 5
              Me.TextBox5.Text = "TextBox5"
              '
              'TextBox6
              '
              Me.TextBox6.Location = New System.Drawing.Point(26, 1394)
              Me.TextBox6.Name = "TextBox6"
              Me.TextBox6.TabIndex = 7
              Me.TextBox6.Text = "TextBox6"
              '
              'VScrollBar1
              '
              Me.VScrollBar1.Anchor = CType(((System.Windows.Forms.AnchorStyles.Top Or System.Windows.Forms.AnchorStyles.Bottom) _
                          Or System.Windows.Forms.AnchorStyles.Right), System.Windows.Forms.AnchorStyles)
              Me.VScrollBar1.Location = New System.Drawing.Point(224, 0)
              Me.VScrollBar1.Name = "VScrollBar1"
              Me.VScrollBar1.Size = New System.Drawing.Size(17, 266)
              Me.VScrollBar1.TabIndex = 8
              '
              'testUcNum2
              '
              Me.testUcNum2.Location = New System.Drawing.Point(27, 639)
              Me.testUcNum2.Name = "testUcNum2"
              Me.testUcNum2.Size = New System.Drawing.Size(104, 24)
              Me.testUcNum2.TabIndex = 9
              '
              'VScrollChild
              '
              Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
              Me.ClientSize = New System.Drawing.Size(241, 266)
              Me.Controls.Add(Me.testUcNum2)
              Me.Controls.Add(Me.VScrollBar1)
              Me.Controls.Add(Me.TextBox6)
              Me.Controls.Add(Me.TextBox5)
              Me.Controls.Add(Me.TextBox4)
              Me.Controls.Add(Me.TextBox3)
              Me.Controls.Add(Me.TextBox2)
              Me.Controls.Add(Me.TextBox1)
              Me.Controls.Add(Me.testUcNum1)
              Me.Name = "VScrollChild"
              Me.SizeGripStyle = System.Windows.Forms.SizeGripStyle.Show
              Me.Text = "MDIChild"
              Me.ResumeLayout(False)
      
          End Sub
      
      #End Region
      
          Private htControlTops As New Hashtable
      
          'Note The following assumes that no controls are put above the form the first time. For example, there are no negative .Top values.
          '      If this is not the case, a similar "topLine" variable is required to make sure that 
          '      you know the full length of the useful area of the form.
          '                            bottomMostCtl.Top + bottomMostCtl.Height - topMostCtl.Top
          '      This calculation is not required on this form.
          Private bottomLine As Integer = Integer.MinValue
      
          Private Sub MDIChild_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles MyBase.Load
              For Each ctl As Control In Me.Controls
                  If TypeOf ctl Is testusercontrol.UserControl1 _
                      OrElse TypeOf ctl Is TextBox Then
      
                      htControlTops.Add(ctl.Name, ctl.Top)
                      Debug.WriteLine("MDIChild_Load => Ctl Name: " & ctl.Name & ", Top=" & ctl.Top)
      
                      If (ctl.Top + ctl.Height) > bottomLine Then
                          bottomLine = ctl.Top + ctl.Height
                      End If
                  End If
              Next
          End Sub
      
          Private Sub VScrollBar1_Scroll(ByVal sender As System.Object, ByVal e As System.Windows.Forms.ScrollEventArgs) Handles VScrollBar1.Scroll
              Debug.WriteLine("*** VScrollBar1_Scroll event fired! (New Value: " & e.NewValue & ")")
              ScrollForMe(e.NewValue)
          End Sub
      
          Private Sub ScrollForMe(ByVal scrollValue As Integer)
              Dim oldTop As Integer
              Dim pct As Double = scrollValue / VScrollBar1.Maximum
              'Debug.WriteLine(">>> Percentage Scroll: " & Format(pct, "00.0%") & " <<<")
              Dim incr As Integer = CInt(pct * bottomLine)
              'Debug.WriteLine(">>> Increment value: " & incr & " <<<")
      
              For Each ctl As Control In Me.Controls
                  If TypeOf ctl Is testusercontrol.UserControl1 _
                      OrElse TypeOf ctl Is TextBox Then
      
                      oldTop = CType(htControlTops(ctl.Name), Integer)
                      ctl.Top = oldTop - incr
                      'Debug.WriteLine("VScrollBar1_Scroll => Ctl Name: " & ctl.Name & ", Top=" & ctl.Top)
                  End If
              Next
          End Sub
      
      End Class
      
  3. ???? ???? ?? ?? ?????? ???????. ?????? ????? ???? ??????? ???????:
    1. ?? "??????" ???? "? ???? ??? ???? 'testusercontrol' (???????? 2).
    2. ?? ??????? ??????? ???? ??? ?????.

      ???? 'testusercontrol' ????? ????? ???? ???? ??????.
    3. ?? ????? ??????? ???? ????? ??????? ??? ??? ??????? ??? ????? ?????? ?? ???? ??? user_control_scroll_UI.
    4. ?? ????? ??????? ???? ????? ??????? ??? ???????? Project ??? ????? ??????.
    5. ?? ????? ??????? ???? ??? testusercontrol ?? ??????? ??????? ?? ???? ??? ?????.
    6. ?? "?????? ??????" ???? ??? ?????? ?????? ??? user_control_scroll_UI ??? ?? ???? ??? ?????.

      user_control_scroll_UI ????? ????? ???? ???? ??????.
    7. ?? ????? ??????? ???? ????? ??????? ??? ??? ??? ????? ??????.
    8. ?? ????? ??????? ???? ??? MDI ?? ???? ???? ??? ???????.
    9. ?? ??????? ????? ? ???? ??? ???? ????.
    10. ???? F5 ?????? ????????.

      MDI ???? ?????.
    11. ???? ??? ????? AutoScroll ??????? ? ???? ??? ??? ??????? ????? ?????? ??? ???????.

      ???? ?????? ??????? ?? ??? "???????".

?????

?????? ??? ??????? ?????? ??? ????? ????? ????? ?? MDI ?? ?????? ???? ???? ????? Microsoft (MSDN) ?????? ??? ?????:
http://msdn2.microsoft.com/en-us/library/aa984329(VS.71).aspx
?????? ??? ??????? ??????? ???? ??? ??? ??????? ?????? ?????? ?? "????? ??????? ?? Microsoft:
824684??? ????????? ???????? ????????? ?? ??? ??????? ????? Microsoft

???????

???? ???????: 839577 - ????? ??? ??????: 01/????? ??????/1428 - ??????: 2.2
????? ???
  • Microsoft .NET Framework 1.1
????? ??????: 
kbmt kbqfe kbhotfixserver kbmdi kbnetframe110sp1fix kbscrollbar kbcontrol kbforms kbbug kbfix kbnetframe110presp1fix KB839577 KbMtar
????? ????
???: ??? ????? ??? ?????? ???????? ?????? ????? ???? ????? ?????????? ????? ?? ????????? ?????? ????. ???? ???? ?????????? ???? ?? ???????? ???????? ?????? ????????? ????? ????????? ???????? ????? ???????? ?????? ?? ?????? ??? ?? ???????? ???????? ?? ????? ??????? ?????? ??? ??????? ?????? ??. ?????? ?? ???? ??? ??????? ???????? ????? ?? ???? ????? ?????? ??? ????? ??? ????? ??????? ?? ????? ?? ?????? ??? ??? ??????? ??????? ?? ????? ????? ????? ????? ?????. ?? ????? ???? ?????????? ??????? ??? ????? ?? ??????? ?? ????? ?????? ?? ??? ????? ?? ????? ??????? ?? ???????? ?? ??? ???????. ???? ???? ?????????? ???????? ??? ????? ?????? ??????? ??????
???? ??? ????? ??????? ?????? ??????????839577

????? ???????

 

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