D:\三维\33维控件\TDMap\Part.cpp(88) : error C2065: 'IPt' : undeclared identifier
D:\三维\33维控件\TDMap\Part.cpp(88) : error C2065: 'ppt' : undeclared identifier
D:\三维\33维控件\TDMap\Part.cpp(88) : warning C4552: '*' : operator has no effect; expected operator with side-effect
D:\三维\33维控件\TDMap\Part.cpp(91) : error C2227: left of '->GetX' must point to class/struct/union
D:\三维\33维控件\TDMap\Part.cpp(92) : error C2227: left of '->GetY' must point to class/struct/union
D:\三维\33维控件\TDMap\Part.cpp(93) : error C2227: left of '->GetZ' must point to class/struct/union