TWebOpenDialog

Description

The TWebOpenDialog non-visual component allows to start a dialog to pick files from the local file system.

Sample code using a promise to get the selected filename after opening:

var
 fn: string;
begin
 fn := await(string, WebOpenDialog1.Perform);
 ShowMessage(fn);
end;

Property	Description
Accept	Sets an optional file filter. This is a string containing the extensions of files that can be selected. Note that setting the file filter will not prevent that the user can pick other filenames. To select only text files `(.txt)`, set Accept to `‘.txt’`. To select `JPEG`, `GIF`, `PNG` image files , set Accept to `‘.jpg,.jpeg,.png,.gif’` or it could also be set to: `‘image/’`.
FileName	This returns the name of the local file picked
Files	This is a list of files picked. The list consists of objects of the `TFile` type.
Multifile	When true, it is allowed to pick or drag multiple files.

Method	Description
Execute	Starts the dialog for picking a local file
Execute(AProc: TOpenDialogProc);	Starts the dialog for picking a local file with anonymous handler called when a file is selected
Perform: TJSPromise	Async version to show the open dialog, returns the selected filename

Event	Description
OnChange	Event triggered when the file(s) picked changed by the user.