Rhino Crashing on trying to load a new image through Python Script

Hi im Jordan,

I’m still somewhat new to coding so I would be very grateful for some help.

I am trying to set up a UI window that displays an image that is corresponding to a selection in a ListBox.

I have an initial placeholder image that is displaying correctly, and is used when there is no selection from the ListBox. But when I make a selection from the ListBox that has a new Bitmap associated to load for that selection, it is crashing Rhino, and I am wondering if there is a specific step that I am missing when trying to call a new image when the selection is changed.

Here is a code snippit of how the Placeholder image is set originally for the UI.

    self.previewimage = ImageView()
    self.previewimage.ToolTip = "A preview of the Luminaire."
    self.previewimage.Image = Bitmap(RootFolder + Imagery + "\PlaceHolder.jpg")
    self.previewimage.Height = 150
    self.previewimage.Width = 150

Here is a snippit of my code for how the new image is called to replace the placeholder image.

def Get_Preview_Image(self, sender, e):
    LumPreview = "\PlaceHolder.jpg"
    if self.LumLib.SelectedIndex == 0:
        LumPreview = "\\" + self.LumLib.DataStore[0].replace(".3dm",".jpg")
        self.previewimage.Image = Bitmap(RootFolder + Imagery + LumPreview)
    elif self.LumLib.SelectedIndex == 1:
        LumPreview = "\\" + self.LumLib.DataStore[1].replace(".3dm",".jpg")
        self.previewimage.Image = Bitmap(RootFolder + Imagery + LumPreview)
    else:
        print("Selection not set up yet.")

The string representation for LumPreview is returning correctly to what is required, hence why I am unsure as to why it is crashing unless I am missing a step or have gone about the transition of imagery in the wrong way.

Any help is greatly appreciated.

Jordan

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