无法解析的外部符号
FlatbedImage.obj : error LNK2019: 无法解析的外部符号 "public: bool __thiscall CxImage::Load(unsigned short const *,unsigned long)" (?Load@CxImage@@QAE_NPBGK@Z),该符号在函数 "public: enum FLATBEDIMAGE_ERROR __thiscall CFlatbedImage::LoadImageW(unsigned short const *,bool)" (?LoadImageW@CFlatbedImage@@QAE?AW4FLATBEDIMAGE_ERROR@@PBG_N@Z) 中被引用
请解释下