yashar666
چهارشنبه 05 بهمن 1390, 19:39 عصر
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معادل دستور open وی بی در دلفی چیه ؟
Enables input/output (I/O) to a file
Syntax
Open pathname For mode [Access access] [lock] As [#]filenumber [Len=reclength]
The Open statement syntax has these parts:
pathname : Required.String expression that specifies a file name — may include directory or folder, and drive.
mode :Required.Keyword specifying the file mode: Append, Binary, Input, Output, or Random. If unspecified, the file is opened for Random access.
access : Optional. Keyword specifying the operations permitted on the open file: Read, Write, or Read Write.
lock :Optional. Keyword specifying the operations restricted on the open file by other processes: Shared, Lock Read, Lock Write, and Lock Read Write
filenumber : Required. A validfile number in the range 1 to 511, inclusive. Use the FreeFile function to obtain the next available file number.
reclength :Optional. Number less than or equal to 32,767 (bytes). For files opened for random access, this value is the record length. For sequential files, this value is the number of characters buffered.
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معادل دستور open وی بی در دلفی چیه ؟
Enables input/output (I/O) to a file
Syntax
Open pathname For mode [Access access] [lock] As [#]filenumber [Len=reclength]
The Open statement syntax has these parts:
pathname : Required.String expression that specifies a file name — may include directory or folder, and drive.
mode :Required.Keyword specifying the file mode: Append, Binary, Input, Output, or Random. If unspecified, the file is opened for Random access.
access : Optional. Keyword specifying the operations permitted on the open file: Read, Write, or Read Write.
lock :Optional. Keyword specifying the operations restricted on the open file by other processes: Shared, Lock Read, Lock Write, and Lock Read Write
filenumber : Required. A validfile number in the range 1 to 511, inclusive. Use the FreeFile function to obtain the next available file number.
reclength :Optional. Number less than or equal to 32,767 (bytes). For files opened for random access, this value is the record length. For sequential files, this value is the number of characters buffered.
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