DialogHandlerOnFileDialog Method

protected virtual bool OnFileDialog(
	IWebBrowser chromiumWebBrowser,
	IBrowser browser,
	CefFileDialogMode mode,
	string title,
	string defaultFilePath,
	IReadOnlyCollection<string> acceptFilters,
	IReadOnlyCollection<string> acceptExtensions,
	IReadOnlyCollection<string> acceptDescriptions,
	IFileDialogCallback callback
)

protected:
virtual bool OnFileDialog(
	IWebBrowser^ chromiumWebBrowser, 
	IBrowser^ browser, 
	CefFileDialogMode mode, 
	String^ title, 
	String^ defaultFilePath, 
	IReadOnlyCollection<String^>^ acceptFilters, 
	IReadOnlyCollection<String^>^ acceptExtensions, 
	IReadOnlyCollection<String^>^ acceptDescriptions, 
	IFileDialogCallback^ callback
)

Parameters

chromiumWebBrowser  IWebBrowser

the ChromiumWebBrowser control

browser  IBrowser

the browser object

mode  CefFileDialogMode

represents the type of dialog to display

title  String

the title to be used for the dialog. It may be empty to show the default title ("Open" or "Save" depending on the mode).

defaultFilePath  String

is the path with optional directory and/or file name component that should be initially selected in the dialog.

acceptFilters  IReadOnlyCollectionString

are used to restrict the selectable file types and may any combination of (a) valid lower-cased MIME types (e.g. "text/*" or "image/*"), (b) individual file extensions (e.g. ".txt" or ".png"), (c) combined description and file extension delimited using "|" and ";" (e.g. "Image Types|.png;.gif;.jpg").

acceptExtensions  IReadOnlyCollectionString

provides the semicolon-delimited expansion of MIME types to file extensions (if known, or empty string otherwise).

acceptDescriptions  IReadOnlyCollectionString

Provides the descriptions for MIME types (if known, or empty string otherwise). For example, the 'image/*' mime type might have extensions ".png;.jpg;.bmp;..." and description 'Image Files'

callback  IFileDialogCallback

Callback interface for asynchronous continuation of file dialog requests.

Return Value

Reference