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VB6 - Snapshot of a label in a form

Posted on 2013-06-30
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Last Modified: 2013-07-01
Hi all

I would like to know how i can create a command that would take a snapshot of my label 1 in my form.

Is that possible?

My Label1 position in my form is:
Height:11175
Left: 7230
Top: 240
Width:9855

Thanks for your help
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Question by:Wilder1626
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5 Comments
 
LVL 49

Assisted Solution

by:Martin Liss
Martin Liss earned 400 total points
ID: 39288772
One way to do it is to write a routine that

1. Sets all controls on the form except for the label to Visible = False
2. Printer.Printform
3. Set all controls to visible that are supposed to be visible
0
 
LVL 46

Assisted Solution

by:aikimark
aikimark earned 200 total points
ID: 39288827
It would be easier to get the text on the label by accessing the label's Caption property
0
 
LVL 28

Accepted Solution

by:
Ark earned 1400 total points
ID: 39288857
Slightly edited to get snapshot into clipboard:
Private Declare Function BitBlt Lib "gdi32" (ByVal hDestDC As Long, ByVal x As Long, ByVal y As Long, ByVal nWidth As Long, ByVal nHeight As Long, ByVal hSrcDC As Long, ByVal xSrc As Long, ByVal ySrc As Long, ByVal dwRop As Long) As Long

Private Sub Command1_Click()
  CopyLabel Label1, Picture1
End Sub

Private Sub CopyLabel(lbl As Label, pb As PictureBox)
   Dim x As Long, y As Long, w As Long, h As Long
   Dim tpp As Long
   tpp = Screen.TwipsPerPixelX
   x = lbl.Left / tpp
   w = lbl.Width / tpp
   tpp = Screen.TwipsPerPixelY
   y = lbl.Top / tpp
   h = lbl.Height / tpp
   pb.AutoRedraw = True
   BitBlt pb.hDC, 0, 0, w, h, Me.hDC, x, y, vbSrcCopy
   pb.Refresh
   Clipboard.Clear
   Clipboard.SetData pb.Image
End Sub

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0
 
LVL 28

Expert Comment

by:Ark
ID: 39288890
Finally - with adjusted size and ability to save to disk:
Private Sub CopyLabel(lbl As Label, _
                      Optional ByVal filePath As String = "")
   Dim x As Long, y As Long, w As Long, h As Long
   Dim tpp As Long
   tpp = Screen.TwipsPerPixelX
   x = lbl.Left / tpp
   w = lbl.Width / tpp
   tpp = Screen.TwipsPerPixelY
   y = lbl.Top / tpp
   h = lbl.Height / tpp
   With Picture1
      .Width = lbl.Width
      .Height = lbl.Height
      .AutoRedraw = True
      .Appearance = 0
      .BorderStyle = 0
      BitBlt .hDC, 0, 0, w, h, Me.hDC, x, y, vbSrcCopy
      .Refresh
      Clipboard.Clear
      Clipboard.SetData .Image
      If filePath <> "" Then
         SavePicture .Image, filePath
      End If
   End With
End Sub

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Calling (copy label image into clipboard and save it in c:\test.bmp):
'Add Picture1 (picturebox) on form, make it invisible (visible=false)
Private Sub Command1_Click()
  CopyLabel Label1, "c:\test.bmp"
End Sub

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0
 
LVL 11

Author Closing Comment

by:Wilder1626
ID: 39289826
Hi All, thanks for your help

now it's working great
0

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