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我在练习opengl编程时,定义m:trectangle为什么说trectangle 没定义?哪位高手能指点一二
type
TForm1 = class(TForm)
private
dc:hdc;
hrc:hglrc;
fdpi:cardinal;
fnearplane:single;
fviewport:trectangle;
//就这里有问题[Error] Unit1.pas(23): Undeclared identifier: 'trectangle' utimerId:uint;
qogluquadric;
type
TForm1 = class(TForm)
private
dc:hdc;
hrc:hglrc;
fdpi:cardinal;
fnearplane:single;
fviewport:trectangle;
//就这里有问题[Error] Unit1.pas(23): Undeclared identifier: 'trectangle' utimerId:uint;
qogluquadric;