diff options
Diffstat (limited to 'doc/classes/FileAccess.xml')
| -rw-r--r-- | doc/classes/FileAccess.xml | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/doc/classes/FileAccess.xml b/doc/classes/FileAccess.xml index 61377fb13a..adc0f4c3dd 100644 --- a/doc/classes/FileAccess.xml +++ b/doc/classes/FileAccess.xml @@ -20,24 +20,30 @@ [csharp] public void Save(string content) { - var file = FileAccess.Open("user://save_game.dat", File.ModeFlags.Write); + using var file = FileAccess.Open("user://save_game.dat", File.ModeFlags.Write); file.StoreString(content); } public string Load() { - var file = FileAccess.Open("user://save_game.dat", File.ModeFlags.Read); + using var file = FileAccess.Open("user://save_game.dat", File.ModeFlags.Read); string content = file.GetAsText(); return content; } [/csharp] [/codeblocks] In the example above, the file will be saved in the user data folder as specified in the [url=$DOCS_URL/tutorials/io/data_paths.html]Data paths[/url] documentation. - There is no method to close a file in order to free it from use. Instead, [FileAccess] will close when it's freed, which happens when it goes out of scope or when it gets assigned with [code]null[/code]. - [codeblock] + There is no method to close a file in order to free it from use. Instead, [FileAccess] will close when it's freed, which happens when it goes out of scope or when it gets assigned with [code]null[/code]. In C# the reference must be disposed after we are done using it, this can be done with the [code]using[/code] statement or calling the [code]Dispose[/code] method directly. + [codeblocks] + [gdscript] var file = FileAccess.open("res://something") # File is opened and locked for use. file = null # File is closed. - [/codeblock] + [/gdscript] + [csharp] + using var file = FileAccess.Open("res://something"); // File is opened and locked for use. + // The using statement calls Dispose when going out of scope. + [/csharp] + [/codeblocks] [b]Note:[/b] To access project resources once exported, it is recommended to use [ResourceLoader] instead of the [FileAccess] API, as some files are converted to engine-specific formats and their original source files might not be present in the exported PCK package. [b]Note:[/b] Files are automatically closed only if the process exits "normally" (such as by clicking the window manager's close button or pressing [b]Alt + F4[/b]). If you stop the project execution by pressing [b]F8[/b] while the project is running, the file won't be closed as the game process will be killed. You can work around this by calling [method flush] at regular intervals. </description> @@ -71,6 +77,7 @@ <description> Returns [code]true[/code] if the file exists in the given path. [b]Note:[/b] Many resources types are imported (e.g. textures or sound files), and their source asset will not be included in the exported game, as only the imported version is used. See [method ResourceLoader.exists] for an alternative approach that takes resource remapping into account. + For a non-static, relative equivalent, use [method DirAccess.file_exists]. </description> </method> <method name="flush"> |