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Unit: SDL_rchart
Class: TContourPlot
Declaration: property InvalidDataBmp: boolean;

The readonly property InvalidDataBmp returns TRUE if the data area of the contour plot has been reconstructed during the last image refresh. Please note that the intention of InvalidDataBmp is to support the drawing of user defined graphics in the OnDataRendered event (i.e. the drawing and removing of graphics elements by xor-ing the elements with the canvas bitmap).

Last Update: 2023-Dec-13