Hi Narcís Thanks for your help. I am using the beforehand last available version from Spring 2011, not the latest one. Unfortunately I can not build a project that reproduces the error, since it only occurs in this single project. I think it is a special situation which is somehow produced by the me...

Dear Support team, I have an issue when exporting pictures (bmp) from a chart. It happens some times (no steps for reproduction available) that when using the ".SaveToBitmapFile()" function, TChart (or whatever) stores completely black pictures. The charts to be exported are in background, sometimes...