private void btnSetPara_Click(object sender, EventArgs e)
{
if (frmSetPara.IsDisposed)
{
frmSetPara = new FormSetParas();
}
frmSetPara.Show();
frmSetPara.ProParas = this.ProParas;
frmSetPara.SetDesktopLocation(this.DesktopLocation.X + this.Width, this.DesktopLocation.Y);
frmSetPara.MainFrmPoint = this.DesktopLocation;
frmSetPara.MainFrmSize = this.Size;
_oldLocation = this.Location;
}