form1.frm

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VERSION 5.00
Begin VB.Form formCopyShapes 
   BorderStyle     =   1  'Fixed Single
   Caption         =   "Copy Shapes"
   ClientHeight    =   5865
   ClientLeft      =   45
   ClientTop       =   330
   ClientWidth     =   6060
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   5865
   ScaleWidth      =   6060
   StartUpPosition =   3  '窗口缺省
   Begin VB.ComboBox cmboChoosePicture 
      Height          =   300
      Left            =   3060
      Style           =   2  'Dropdown List
      TabIndex        =   1
      Top             =   5400
      Width           =   2055
   End
   Begin VB.CommandButton cmndCopyShape 
      Caption         =   "&Copy Shape"
      Height          =   315
      Left            =   1200
      TabIndex        =   0
      Top             =   5400
      Width           =   1215
   End
   Begin VB.PictureBox PictCopy 
      Height          =   5055
      Left            =   60
      ScaleHeight     =   4995
      ScaleWidth      =   5895
      TabIndex        =   2
      Top             =   60
      Width           =   5955
   End
End
Attribute VB_Name = "formCopyShapes"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private collSavePictures As New Collection
Private Const MAX_PICTURES = 10

Private Sub cmboChoosePicture_Click()
    Dim opicPicture As Picture
    If cmboChoosePicture.ListIndex = -1 Then
        Exit Sub
    End If
    Set opicPicture = collSavePictures.Item(cmboChoosePicture.ListIndex + 1)
    PictCopy.Picture = opicPicture
End Sub

Private Sub cmndCopyShape_Click()
    
    Dim opicPicture As Picture
    PictCopy.PaintPicture formShapes!PictSurface.Image, 0, 0
    Set opicPicture = formShapes!PictSurface.Image
    '此外不能为 Set opicPicture = PictCopy.image ,原因有待考证。
    AddtoArray opicPicture
    Set opicPicture = Nothing
End Sub



Private Sub Form_Unload(Cancel As Integer)
    Set collSavePictures = Nothing
    Unload Me
End Sub

Private Sub PictCopy_Click()
    cmndCopyShape = True
End Sub


Private Sub AddtoArray(opicPicture As Picture)

    If collSavePictures.Count >= MAX_PICTURES Then
        collSavePictures.Remove 1
    End If
    collSavePictures.Add Item:=opicPicture

    If cmboChoosePicture.ListCount < MAX_PICTURES Then
        cmboChoosePicture.AddItem "Picture" & Format(collSavePictures.Count)
    End If
End Sub