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GoFiler Legato Script Reference
Legato v 1.4j Application v 5.22b
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Chapter Nine — Dialog Functions (continued)
Overview
The BrowseOpenFile function allows the selection of a single file presumably for an open or other operation.
Syntax/Parameters
Syntax
string = BrowseOpenFile ( string title, [string filter], [string path] );
Parameters
title
A string that becomes the dialog’s caption. Note that for browse dialogs, the dialog caption is used to store sticky path information in application’s settings file. Depending on the application settings, the path may be remembered and used assuming no incoming path is provided to the function.
filter
A string that specifies an optional filter list. If a filter list is not provided, the default of “All Files (*.*)” will be added to the filter list. See Filters at the start of Section 9.2 Common Dialogs for filter string formatting information.
path
Specifies an optional string to direct the opening path. If a path is not provided, the last path selected for the specified title is used. Barring that, the application’s current working directory is used.
Return Value
Returns a string as either a path, a string or an empty string on error. Use GetLastError to determine the error. The most common error is ERROR_CANCEL for the user pressing the “Cancel” button.
The return string will be a qualified and valid filename and path.
The result is UTF encoded to allow the representation of Unicode data. Use the UTFToUnicode function and related functions to convert to Unicode.
Remarks
The return of filename does not indicate that the script process and user have permission to access the file.
The function will use the Windows Common Open file dialog based on Windows Explorer or the application’s browse class depending on the application settings.
Examples
string s1, filters;
int rc;
s1 = BrowseOpenFile("Test #1, No Filters");
rc = GetLastError();
MessageBox('I', "Test #1 Returns:\r\r%s\r\rError: %08X", s1, rc);
filters = "All Files *.*|*.*&Comma Delimited Data *.csv|*.csv&HTML Files *.htm|*htm;*html";
s1 = BrowseOpenFile("Test #2, With Filters", filters);
rc = GetLastError();
MessageBox('I', "Test #2 Returns:\r\r%s\r\rError: %08X", s1, rc);
filters = "All Files *.*|*.*&DLLs and System *.dll, *sys|*.dll;*.sys&Executable *.exe|*exe";
s1 = BrowseOpenFile("Test #3, With Path", filters, "C:\\Windows\\");
rc = GetLastError();
MessageBox('I', "Test #3 Returns:\r\r%s\r\rError: %08X", s1, rc);
Related Functions
Platform Support
Go13, Go16, GoFiler Complete, GoFiler Corporate, GoFiler, GoFiler Lite, GoXBRL
Legato IDE, Legato Basic
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