Delphi: Delphi Constraints attribute draw an ellipse and fill color, if not familiar with the use of property for Constraints friends refer to this sample source code can be downloaded.

Code\delphi\pudn\upandload\DATA\Delphi_323315\Delphi_323315\rd.txt
....\......\....\.........\....\.............\.............\Constraints属性\Project2.cfg
....\......\....\.........\....\.............\.............\...............\Unit1.dcu
....\......\....\.........\....\.............\.............\...............\Unit1.dfm
....\......\....\.........\....\.............\.............\...............\Project2.dof
....\......\....\.........\....\.............\.............\...............\Project2.dpr
....\......\....\.........\....\.............\.............\...............\Unit1.pas
....\......\....\.........\....\.............\.............\...............\Project2.res
....\......\....\.........\....\.............\.............\Constraints属性

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