private async void btnGetUser_Click(object sender, EventArgs e)
{
btnGetUser.Enabled = false;
using (var f = new Form()) {
var grid = new PropertyGrid {
Dock = DockStyle.Fill
};
f.Controls.Add(grid);
grid.SelectedObject = await _client.GetUserAsync();
f.ShowDialog();
}
btnGetUser.Enabled = true;
}
