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Keeping transparency of a clipart whn being drag & drop from our library to COREL Designer &
 
		
        
            
            
	
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Joined: 12/5/2005(UTC)
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                Hi! I am designing a ClipArt Manager. It will be images of plants and hard goods (pergolas, fountain ...) intended to landscape designer. The main goal of this application is to drag and drop elements of the ClipArt Manager onto a picture of an unfinnished house landscaping. That's why it has to keep transparency.  I need to be able to  -drag image from folder on disk and drop them into our clipart manager, keeping it's transparency -drag image from COREL Designer & Photo-Paint and drop them into our clipart manager, keeping it's transparency -drag image from our clipart manager and drop them into COREL Designer & Photo-Paint keeping their transparency. So far I been able to drop file from folder into our application, but it does NOT keep TOTAL transparency (see the screenshot below).... Code:    Private Sub PictureBox1_DragDrop(ByVal sender As Object, ByVal e As System.Windows.Forms.DragEventArgs) Handles PictureBox1.DragDrop
        Dim img As Image
        Dim sFile() As String
        Dim i, j As Integer
        Dim itm As New ListViewItem
        Try
            If e.Data.GetDataPresent(DataFormats.FileDrop) Then ' Image File being dropped
                sFile = e.Data.GetData(DataFormats.FileDrop)
                For j = 0 To sFile.Length - 1
                    Dim reader As Aurigma.GraphicsMill.Codecs.FormatReader = _
                        Aurigma.GraphicsMill.Codecs.FormatManager.CreateFormatReader(sFile(j))
                    Dim bitmap As New Aurigma.GraphicsMill.Bitmap
                    For i = 0 To reader.FrameCount - 1
                        Dim frame As Aurigma.GraphicsMill.Codecs.Frame = reader.LoadFrame(i)
                        frame.GetBitmap(bitmap)
                        frame.Dispose()
                        PictureBox1.Image = bitmap.ToGdiplusBitmap
                        itm.ImageIndex = ImageList1.Images.Count
                        itm.Text = "Y bomasse toé"
                        ImageList1.Images.Add(bitmap.ToGdiplusBitmap)
                        ListView1.Items.Add(itm)
                        ListView1.Items(0).Selected = True
                    Next
                    bitmap.Dispose()
                    reader.Dispose()
                Next
            ElseIf e.Data.GetDataPresent(DataFormats.Dib) Then  ' Image dragged from Corel Designer
                'HandleDropOrPaste(e.Data)
                Dim stm As MemoryStream = e.Data.GetData(DataFormats.Dib)
                'reader = New TiffReader(stm)
                Dim reader As Aurigma.GraphicsMill.Codecs.FormatReader = _
                    Aurigma.GraphicsMill.Codecs.FormatManager.CreateFormatReader(stm)
                Dim bitmap As New Aurigma.GraphicsMill.Bitmap
                For i = 0 To reader.FrameCount - 1
                    Dim frame As Aurigma.GraphicsMill.Codecs.Frame = reader.LoadFrame(i)
                    frame.GetBitmap(bitmap)
                    frame.Dispose()
                    'bitmap.Save("c:\frame_" & i & ".jpg")
                    PictureBox1.Image = bitmap.ToGdiplusBitmap
                    itm.ImageIndex = ImageList1.Images.Count
                    itm.Text = "Y bomasse toé"
                    ImageList1.Images.Add(bitmap.ToGdiplusBitmap)
                    ListView1.Items.Add(itm)
                    ListView1.Items(0).Selected = True
                Next
                bitmap.Dispose()
                reader.Dispose()
            End If
        Catch ex As Exception
            MsgBox(ex.ToString)
        Finally
        End Try
    End Sub
 this is how it look.   Edited by user Monday, December 21, 2009 3:00:20 AM(UTC)
 | Reason: Not specified jcavard attached the following image(s): | 
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Keeping transparency of a clipart whn being drag & drop from our library to COREL Designer &
 
    
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