Black background before loading a wpf controll when using ElementHost

Question

I\'m using WPF in WinForms with ElementHost. When the form loads, there is a flash of black background where the ElementHost is about to load. This looks kind of bad. Any su

Answer 1

you need first show control with empty bounds first time to avoid black flickering

if (!_control.Created && _control.BackColor != Color.Transparent)
{
    _control.Bounds = Rectangle.Empty;
    _control.Show();
}

// set control bounds and show it
Rectangle bounds = GetBounds(context, rect);
if (_control.Bounds != bounds)
    _control.Bounds = bounds;
if (!_control.Visible)
    _control.Show();