Flickering gifs

236 100+

I use a timer for loading a series of gif images.when doing so,when each gif is loaded a flick occurs..i have to use gif images for their transparent background properties.what should i do to prevent these flickerings?

Apr 8 '08 #1

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1482

gobblegob

133

100+

hi vdradeil,
Use a WebBrowser Control instead of a timer

Expand|Select|Wrap|Line Numbers

 Private Sub Form_Load()

'Resize the WebBrowser control to the size of the picture

With WebBrowser1

  .Width = Image1.Width + 45

  .Height = Image1.Height + 45

End With

'Call the function to display the image in the WebBrowser control

Call ShowAnimatedGIF(WebBrowser1, Image1, App.Path & "\image.gif")

End Sub
 
Public Sub ShowAnimatedGIF(WB As Control, _

  img As Control, ByVal sFileGIF As String)

  Dim sHTML As String

  'define size

  img.Picture = LoadPicture(sFileGIF)

  With WB

    'size of WebBrowser control

    .Width = img.Width + 45

    .Height = img.Height + 45

    'HTML code to show the graphic

    sHTML = "about:" & _

      "<html>" & _

      "<body leftMargin=0 topMargin=0 marginheight=0 marginwidth=0 scroll=no>" & _

      "<img src=""" & sFileGIF & """></img></body></html>"

    .Silent = True

    .Navigate sHTML

  End With

End Sub

GobbleGob.

Apr 10 '08 #2

Killer42

8,435

Expert 8TB

Another possibility is to use the "double buffering" technique. That is, don't load the image directly to the display. Load it into a hidden picturebox (or whatever), then once Windows has had a chance to finish rendering the image, move it to the front or make it visible. You'd probably have two pictureboxes, and switch back and forth each time you load another image.

Apr 11 '08 #3

QVeen72

1,445

Expert 1GB

Hi,

if your Gif's are smaller, you can load them in an Image Control..
and later on depending on the Index, you can load them to the pict/image control...
can you post the code in Timer1_Timer event..

Regards
Veena

Apr 11 '08 #4

daniel aristidou

491

256MB

In new versions of vb enable the double buffering property of the form. then use doublebuffering syntax

Apr 12 '08 #5

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