Ola,
My App is "growing up" and one of the things I added was a way to view the molecular structure of the polymer listed. The issue is that any graphic with a width greater than some value between 313 and 343 pixels, will not display properly (see PCTA.1 in attached screenshot). I confirmed this issue by changing the graphic width from 343 to 313 pixels. The wider the graphic, the worse the skew gets. I used iupView.exe to convert all RBG 24-bit color pngs to C text, which I then load into the matrix using IupImageRGB and IupSetAttributeHandle. Is there a limit to this that I didn't see or isn't documented, and is there a workaround? Also, I set RASTERWIDTH for that column to "625" (for an IUP matrix that is "575" wide) and clicking on the white space next to the horizontal scrollbar works until it reaches the middle of the molecular structure column, so that it will butt-up against the right-arrow of the control. Clicking on the right-arrow of the scrollbar restores the scrollbar to working condition so I can continue scrolling to the end of the columns. It seems related to the issue below, hence the reason I linked this issue to that thread. Signed, Andres On 3/16/2022 at 5:56 AM, Andrew Robinson <arobinso...@cox.net> wrote: Ola Antonio, This looks like it might be a layout bug in IupMatrixEx... Everything lines up, right? But then I scroll left one unit and then this happens...
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