Declaration: TParticles.PartImgSizeY: integer;
The readonly property PartImgSizeY returns the number of elements along the y-axis of the particle image.

Hint 1: Please note that the size of the particle image data cannot be set explicitly. The size is implicitly determined by either the method AddNewClass or by the method AnalyseAndAppend.

Hint 2: In order to access the particles currently loaded in the particle editor you can use the pre-declared global variable PEData.