Description: Delphi: Delphi get Memo in the number of visible lines, some of the content is hidden does not show, some show up, how to get to the number of lines visible content, in this case is an example of a basic, simple code, for Delphi novice.
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Code\delphi\pudn\upandload\DATA\Delphi_861756\Delphi_861756\rd.txt
....\......\....\.........\....\.............\.............\Delphi得到Memo中的可见行数\MFM1992
....\......\....\.........\....\.............\.............\..........................\Project1.cfg
....\......\....\.........\....\.............\.............\..........................\Unit1.dcu
....\......\....\.........\....\.............\.............\..........................\Unit1.ddp
....\......\....\.........\....\.............\.............\..........................\Unit1.dfm
....\......\....\.........\....\.............\.............\..........................\Project1.dof
....\......\....\.........\....\.............\.............\..........................\Project1.dpr
....\......\....\.........\....\.............\.............\..........................\Unit1.pas
....\......\....\.........\....\.............\.............\..........................\Project1.res
....\......\....\.........\....\.............\.............\Delphi得到Memo中的可见行数
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