I am calling the TChart Draw(DC, Left, Top, Right, Bottom: Integer) method and I see a range check error, sometimes. It is like I get 3 exceptions and then it draws properly. I saw a similar bug reported with printing, and wonder if this isn't a related issue. CRect rect = get_window_rect(); CDC *dc...

Hi, Can you elaborate a little bit on what you are saying? My application already supports PNG. I am using GDI+ for all of my graphics drawing. The TChart interface however only allows me to pass in a file name to set the back ground image of the IPanel. Are you saying I should be able to draw the P...

I am trying to use a .png for the background image of my chart and I get an error "Unknown picture file extension (.png)" I see that graphs can be exported as .png files. It sure seems like you should be able to use them as backgrounds. Am I missing something?

Thanks.

That was the first thing I tried when I couldn't find a setting to do this. Unfortunately the image is only transparent to the background color of the panel and doesn't affect the window transparency. I guess I'll just have to wait for an update. Any estimate on a date for an update would be greatly...

Is there any way to make the graph window transparent to it's parent window? I would like to be able to use something like the WS_EX_TRANSPARENT flag when creating the graph window or have a panel setting that would make the entire chart transparent to the containing parent window.

Thanks