Initialization of TPasteInfo object.
procedure Init(SelCount: Integer; InitParent: TWinControl; BufType: TBufferizedType; Offset: Integer);
User must initialize object TPasteInfo at point of copying/cutting components in buffer with correct parameters.
SelCount is number of selected (and correspondingly copied or cut into the buffer) components.
InitParent is a pointer to WinControl those components are taken from.
BufType determines whether components are cut or copied.
Offset is a number of pixels fro initial offset (it may be grid step).