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<< Click to Display Table of Contents >> Navigation: ThinBASIC Core Language > Data Structures > cHash > cHash Methods > <cHash>.Exists |
Description
Return %TRUE if KeyName exists inside a cHash object
Syntax
lRet = <cHash>.Exists(KeyName)
Returns
Number
Parameters
Name |
Type |
Optional |
Meaning |
KeyName |
Any sequence of chars will be recognized as key name. Special chars can be used as part of the key name: \ and . (point)
KeyName will always internally converted into capital letters. If you need to keep the KeyName as typed, please include it into double quoted string. |
Remarks
Restrictions
See also
Examples
dim ExportCsvOpt as new cHash
ExportCsvOpt.Set(
Filename: APP_SourcePath + "ADODB_Test_Export_Out.csv",
ColumnNames: %TRUE,
FieldSeparator: ";",
RecordSeparator: $crlf,
StringDelimiter: $dq,
DecimalSeparator: ".",
RecordBuffer: 1000,
Index: %TRUE,
IndexBase: 1,
MaxRecords: -1,
Replace_CR: %TRUE,
Replace_CR_Char: "",
Replace_LF: %TRUE,
Replace_LF_Char: "",
Replace_CRLF: %TRUE,
Replace_CRLF_Char: "",
Replace_DQ: %TRUE,
Replace_DQ_Char: "'"
)
...
Long lRet
'---This will return %TRUE
lRet = ExportCsvOpt.Exists(FieldSeparator)
'---This will return %FALSE
lRet = ExportCsvOpt.Exists(FieldSeparatorxxxxxx)