eMbedded Visual Basic®: Windows® CE and Pocket PC Mobile Applications By
Chris Tacke, Timothy Bassett | Table of Contents |
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appendix A.
Control Reference |
The File Control Object Model
The following tables outline the Object Model for the File Control. This control is included in MSCEFile.dll.
Table A.24. File Control Methods|
Close
| Nothing
| Closes an open file.
| Get
| Nothing
| Reads binary data into a Variant variable. Usually used for data written with the Put method.
| Input
| String
| Reads a specified number of characters from an open text file.
| InputB
| Byte array
| Reads a specified number of bytes from an open binary file.
| InputFields
| Variant array
| Reads a specified number of fields from an open sequential, comma-delimited file.
| LineInputString
| String
| Reads the next single line (delimited by vbCr or vbCrLf) from an open sequential text file.
| LinePrint
| Nothing
| Appends a line of text to an open sequential text file. Lineprint also terminates the line with vbCrLf.
| Open
| Nothing
| Opens a file in Input, Output, Append, Random or Binary mode.
| Put
| Nothing
| Writes a variant variable to disk as binary data.
| WriteFields
| Nothing
| Writes numeric or text data to an open sequential file.
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Table A.25. File Control Properties|
Attr
| FileModeEnum
| Gets the mode in which a file was opened. Can be confusing, as it does not return the FileAttrEnum for the open file.
| EOF
| Boolean
| Returns True when the end of a file is reached.
| Loc
| Long
| Gets the current read/write position of an open file.
| LOF
| Long
| Gets the length of a file in bytes.
| Name
| String
| Gets the logical name of the File control as set in the Properties window.
| Parent
| Object
| Gets a reference to the File control's parent object, such as its containing form.
| Seek
| Long
| Sets and returns the current read/write position in an open file. Seek always returns Loc + 1, except for when a file is first opened.
| Tag
| String
| Sets or gets a string that can be used to hold any additional information the programmer wants to store.
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