public Task <string> ShowOpenFileDialogAsync(string title, string defaultExtension, params Tuple <string, string>[] extensions)
{
var tcs = new TaskCompletionSource <string>();
_dispatcherService.CurrentDispatcher.BeginInvoke(new Action(() =>
{
var result = string.Empty;
CommonOpenFileDialog cfd = new CommonOpenFileDialog
{
AllowNonFileSystemItems = true,
EnsureReadOnly = true,
EnsurePathExists = true,
EnsureFileExists = true,
DefaultExtension = defaultExtension,
Multiselect = false, // One file at a time
Title = title ?? I18N.GetSplitString("Select File")
};
if ((extensions != null) && (extensions.Any()))
{
foreach (var ext in extensions)
{
cfd.Filters.Add(new CommonFileDialogFilter(ext.Item1, ext.Item2));
}
}
if (cfd.ShowDialog() == CommonFileDialogResult.Ok)
{
ShellObject selectedObj = null;
try
{
// Try to get the selected item
selectedObj = cfd.FileAsShellObject;
}
catch
{
//MessageBox.Show("Could not create a ShellObject from the selected item");
}
if (selectedObj != null)
{
// Get the file name
result = selectedObj.ParsingName;
}
}
tcs.SetResult(result);
}));
return(tcs.Task);
}
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
var status = (Status?)value ?? Status.Busy;
var resolveType = parameter as string;
if (resolveType == "TrayIcon")
{
switch (status)
{
case Status.Ready:
return("/Resources/Icons/TrayIcons/Ready.ico");
case Status.Disabled:
return("/Resources/Icons/TrayIcons/Disabled.ico");
default:
return("/Resources/Icons/TrayIcons/Busy.ico");
}
}
if (resolveType == "ToolTipImage")
{
switch (status)
{
case Status.Ready:
return("/Resources/Images/TrayIcons/Ready.png");
case Status.Disabled:
return("/Resources/Images/TrayIcons/Disabled.png");
default:
return("/Resources/Images/TrayIcons/Busy.png");
}
}
if (resolveType == "ToolTipText")
{
return($"{I18N.GetSplitString("Current status is :")} {I18N.GetString(status.ToString("G"))}");
}
return(Binding.DoNothing);
}