Pasted

// Set DataGridView to double buffered
// replace DataGridViewControlName with actual name
// Source: https://www.codeproject.com/tips/654101/double-buffering-a-datagridview
typeof(DataGridView).InvokeMember("DoubleBuffered", BindingFlags.NonPublic | 
BindingFlags.Instance | BindingFlags.SetProperty, null, 
DataGridViewControlName, new object[] { true });