文件名称:Length
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Delphi:一个Delphi初级实例，利用Length属性获取音乐文件长度，如上图所示的程序中，当选择一个MP3文件后，即可立即得到该文件的长度，注意，其它格式的文件不行的，这个属性主要是操作多媒体文件的。
-Delphi: a Delphi primary instance, use the Length property to get the length of a music file, as shown in the program, when you select an MP3 file, you can immediately get the length of the file, note that the files in other formats will not work, this property mainly operate multimedia files.
-Delphi: a Delphi primary instance, use the Length property to get the length of a music file, as shown in the program, when you select an MP3 file, you can immediately get the length of the file, note that the files in other formats will not work, this property mainly operate multimedia files.
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下载文件列表
Length属性
..........\Project1.cfg
..........\Project1.dof
..........\Project1.dpr
..........\Project1.res
..........\Unit1.dcu
..........\Unit1.dfm
..........\Unit1.pas
..........\Unit1.~dfm
..........\Unit1.~pas