Difference between revisions of "IAdeUICallbacks::GetFilename/zh"

(Created page with "被选择或卸载文件的完整路径。")
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= See Also =
= 另请参考 =
* [[IAdeUICallbacks::FileOpenCompleted]] method
* [[IAdeUICallbacks::FileOpenCompleted]] method
* [[SpreadsheetOpen]], [[ReadTextFile]], [[ReadExportFile]], [[ReadImageFile]] functions
* [[SpreadsheetOpen]], [[ReadTextFile]], [[ReadExportFile]], [[ReadImageFile]] functions

Revision as of 02:23, 27 October 2015

ADE User Guide > ADE Server Class Reference > IAdeUICallbacks

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string GetFilename([in] string function, [in] string defaultName, [in] string directory, [in] string extensions, [in] string caption, [in] CAObject* callingIdent)

Called when any of several functions are evaluated, when the user needs to be asked to select a filename. These include SpreadsheetOpen(), ReadTextFile(), ReadImageFile(), and ReadExportFile.

Your implementation should allow the user to select a file, or if your are implementing a web-based application, you may allow him to upload a file.

After the file is read, the IAdeUICallbacks::FileOpenCompleted() is called. If your application has uploaded a file to a temporary location, you can safely delete the temporary file here.

The method is not called if the dialog is unnecessary.

参 数

  • «function»: the identifier of the built-in function that is requesting the filename. E.g., "SpreadsheetOpen", "ReadTextFile", "ReadImageFile", or "ReadExportFile".
  • «directory»: The current directory.
  • «extensions»: A list of file extensions to filter for. When there is more that one possible extension, they are separated by a double bar, "||". Each extension has two parts, separated by a single bar, "|". The first part is a list of wild cards such as "*.txt;*.dat", each wildcard separated by semi-colons. The second part is a user-friendly description of the extension. For example, SpreadsheetOpen may provide the following filter: "*.xl*;*.csv|Excel Files (*.xl*;*.csv)||*.*|All Files (*.*)"
  • «caption»: The recommended title or caption text for a file open dialog.
  • «callingIdent»: A CAObject pointer to the user-object in the model that is calling the build-in function.





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