Inverting

An application inverts the colors that appear within a region by calling the InvertRgn function. On monochrome displays, InvertRgn makes white pixels black and black pixels white. On color screens, this inversion is dependent on the type of technology used to generate the colors for the screen.

Software for developers

Delphi Components
.Net Components
Software for Android Developers

More information resources

MegaDetailed.Net
Unix Manual Pages
Delphi Examples