private void RichTextBox2_ContentsResized(object sender, ContentsResizedEventArgs e)
{
this.RichTextBox2.Height = e.NewRectangle.Height
void vScrollBar1_Scroll(object sender, ScrollEventArgs e)
{
Point p = chatRichTextBox2.Location;
p.Y = 0 - e.NewValue;
RichTextBox2.Location = p;
}
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