RAD Studio VCL Reference
AnsiStrings.ChangeFileExt Function

Change filename extension.

function ChangeFileExt(const FileName: AnsiString; const Extension: AnsiString): AnsiString; overload;
AnsiString ChangeFileExt(const AnsiString FileName, const AnsiString Extension);

ChangeFileExt changes a filename's extension. FileName specifies a filename with or without an extension, and Extension specifies the new extension for the filename. The new extension can be an empty AnsiString or a period followed by the extension character string. 


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