public Task <string[]> ShowFileDialogAsync(FileDialog dialog, Window parent)
{
var events = new SystemDialogEvents();
var nativeParent = GetNativeWindow(parent);
if (dialog is OpenFileDialog ofd)
{
_native.OpenFileDialog(nativeParent,
events, ofd.AllowMultiple.AsComBool(),
ofd.Title ?? "",
ofd.Directory ?? "",
ofd.InitialFileName ?? "",
string.Join(";", dialog.Filters.SelectMany(f => f.Extensions)));
}
else
{
_native.SaveFileDialog(nativeParent,
events,
dialog.Title ?? "",
dialog.Directory ?? "",
dialog.InitialFileName ?? "",
string.Join(";", dialog.Filters.SelectMany(f => f.Extensions)));
}
return(events.Task.ContinueWith(t => { events.Dispose(); return t.Result; }));
}
public Task <string[]> ShowFileDialogAsync(FileDialog dialog, IWindowBaseImpl parent)
{
var events = new SystemDialogEvents();
if (dialog is OpenFileDialog ofd)
{
_native.OpenFileDialog((parent as WindowImpl)?.Native,
events, ofd.AllowMultiple,
ofd.Title ?? "",
ofd.InitialDirectory ?? "",
ofd.InitialFileName ?? "",
string.Join(";", dialog.Filters.SelectMany(f => f.Extensions)));
}
else
{
_native.SaveFileDialog((parent as WindowImpl)?.Native,
events,
dialog.Title ?? "",
dialog.InitialDirectory ?? "",
dialog.InitialFileName ?? "",
string.Join(";", dialog.Filters.SelectMany(f => f.Extensions)));
}
return(events.Task.ContinueWith(t => { events.Dispose(); return t.Result; }));
}
public override async Task <IStorageFile?> SaveFilePickerAsync(FilePickerSaveOptions options)
{
using var events = new SystemDialogEvents();
var suggestedDirectory = options.SuggestedStartLocation?.TryGetUri(out var suggestedDirectoryTmp) == true
? suggestedDirectoryTmp.LocalPath : string.Empty;
_native.SaveFileDialog((IAvnWindow)_window.Native,
events,
options.Title ?? string.Empty,
suggestedDirectory,
options.SuggestedFileName ?? string.Empty,
PrepareFilterParameter(options.FileTypeChoices));
var result = await events.Task.ConfigureAwait(false);
return(result.FirstOrDefault() is string file
? new BclStorageFile(new FileInfo(file))
: null);
}