IBrowserHostRunFileDialog Method

void RunFileDialog(
	CefFileDialogMode mode,
	string title,
	string defaultFilePath,
	IList<string> acceptFilters,
	int selectedAcceptFilter,
	IRunFileDialogCallback callback
)

void RunFileDialog(
	CefFileDialogMode mode, 
	String^ title, 
	String^ defaultFilePath, 
	IList<String^>^ acceptFilters, 
	int selectedAcceptFilter, 
	IRunFileDialogCallback^ callback
)

Parameters

mode

Type: CefSharpCefFileDialogMode
represents the type of dialog to display

title

Type: SystemString
to the title to be used for the dialog and may be empty to show the default title ("Open" or "Save" depending on the mode)

defaultFilePath

Type: SystemString
is the path with optional directory and/or file name component that will be initially selected in the dialog

acceptFilters

Type: System.Collections.GenericIListString
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"), or (c) combined description and file extension delimited using "|" and ";" (e.g. "Image Types|.png;.gif;.jpg")

selectedAcceptFilter

Type: SystemInt32
is the 0-based index of the filter that will be selected by default

callback

Type: CefSharp.CallbackIRunFileDialogCallback
will be executed after the dialog is dismissed or immediately if another dialog is already pending.

Reference