i'm use Fpc 2.7.1 error compile component VirtualDbGrid
this error found...
@570
Duplicate identifier "DefaultNodeHeight"
@445
Error: There is no method in an ancestor class to be overridden: "DoHeaderClick(TColumnIndex;TMouseButton;TShiftState;LongInt;LongInt);"
@3014
Error: function header doesn't match the previous declaration "UpdateDBTree(PVirtualNode;LongWord;Boolean;Boolean);"
on Fpc 2.6.2 not Error Found...