//将滚动条拉到最上
private void ResumeRelaCon(VerticalInfo verInfo)
{
foreach (Control con in relaControl.Controls)
{
if (con != this.vScrollBar)
{
con.Location = new Point(con.Location.X, con.Location.Y - verInfo.yMin);
}
}
vScrollBar.Value = 0;
}
void vScrollBar_ValueChanged(object sender, EventArgs e)
{
VerticalInfo verInfo = getRelaConContentInfo();
foreach (Control con in relaControl.Controls)
{
if (con.Name != "vScrollBar")
{
con.Location = new Point(con.Location.X, con.Location.Y - verInfo.yMin - vScrollBar.Value);
}
}
}
private void AdjustVScrollBar()
{
VerticalInfo verInfo = getRelaConContentInfo();
ResumeRelaCon(verInfo);
if (verInfo.height <= relaControl.Size.Height)
{
vScrollBar.Visible = false;
}
else
{
vScrollBar.SmallChange = relaControl.Size.Height / 16;
vScrollBar.LargeChange = relaControl.Size.Height;
vScrollBar.Maximum = verInfo.height;
vScrollBar.Visible = true;
}
}