渐变作画\Project1.cpp ........\Project1.bpr ........\Project1.res ........\Project1.obj ........\Project1.exe ........\Unit1.~cpp ........\Unit1.~h ........\Unit1.~dfm ........\Unit1.obj ........\Project1.tds ........\Unit1.cpp ........\Unit1.h ........\Unit1.dfm ........\Unit1.ddp 渐变作画