private void OnImageSelectButtonClicked(object sender, EventArgs args)
{
FileChooserDialog fileChooser = new FileChooserDialog(
"Choose an image file to open",
this,
FileChooserAction.Open,
"Cancel", ResponseType.Cancel,
"Open", ResponseType.Accept);
var filter = new FileFilter();
filter.Name = "Images";
filter.AddMimeType("image/*");
fileChooser.AddFilter(filter);
if (fileChooser.Run() == (int)ResponseType.Accept)
{
_model.ImageUri = new Uri(fileChooser.Filename);
RenderBaseImagePreview();
RenderKaleidoscope();
}
fileChooser.Destroy();
filter.Destroy();
}