The TBitmap object is a helper object that lets you work with images displayed within user forms components.
The TBitmap object is similar to a VCL TBitmap object. It provides properties that let you obtain the image size and additional information about the image as a bitmap graphic. The methods of the TBitmap object let you load the image from a file and also save the image represented by the TBitmap object to a file.

TBitmap Properties