Question

I have bounded DataGridView with 5000 rows of data in Form where dgv "fill" forms area.
When I scroll it with keyboard up or down selected row flickers much on solid computer.
Is here a way to get rid of that flickering?

Here is how my DataGridView is setup:

    With DataGridView1
        .AllowUserToAddRows = False
        .AllowDrop = False
        .AllowUserToOrderColumns = False
        .AllowUserToResizeRows = False
        .ColumnHeadersDefaultCellStyle.Font = fnt1
        .SelectionMode = DataGridViewSelectionMode.FullRowSelect
        .ScrollBars = ScrollBars.Vertical
        .MultiSelect = False
        .ReadOnly = True
        .DefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleLeft
        .GridColor = Color.FromArgb(240, 240, 240)
        .DefaultCellStyle.Font = fnt1
        .BorderStyle = BorderStyle.None
        .Dock = DockStyle.Fill
     End With

Answer 1

You can get rid of the flickering by implementing double buffering for that form

me.SetStyle(
ControlStyles.AllPaintingInWmPaint OR _
ControlStyles.UserPaint OR _
ControlStyles.DoubleBuffer,true)

This should work