Progress bar + status bar

来源：作者：出处：巧巧读书 2006-10-01 进入讨论组

关键词：
windows
update
arp
rip

　　摘自:http://discuss.develop.com/
測試過,挺好的!

public class ProgressStatusBar : System.Windows.Forms.StatusBar
{

                public ProgressStatusBar()
                {
                        this.SizingGrip = false;
                        this.ShowPanels = true;
                }

                protected override void
OnDrawItem(StatusBarDrawItemEventArgs e)
                {
                        if
(e.Panel.GetType().ToString().EndsWith("ProgressPanel"))
                        {
                                ProgressPanel ProgressPanel =
(ProgressPanel) e.Panel;

                                if (ProgressPanel.Value >
ProgressPanel.Minimum)
                                {
                                        int NewWidth =
(int)(((double)ProgressPanel.Value / (double)ProgressPanel.Maximum) *
(double)ProgressPanel.Width);
                                        Rectangle NewBounds = e.Bounds;
                                        SolidBrush PaintBrush = new
SolidBrush(ProgressPanel.ForeColor);
                                        NewBounds.Width = NewWidth;

e.Graphics.FillRegion(PaintBrush, new Region(NewBounds));
                                        PaintBrush.Dispose();
                                }
                                else
                                {
                                        base.OnDrawItem(e);
                                }
                        }
                        else
                        {
                                base.OnDrawItem(e);
                        }
                }

                public void UpdateValue(ProgressPanel ProgressPanel, int
NewValue)
                {
                        ProgressPanel.Value = NewValue;
                }
        }

        public class ProgressPanel : System.Windows.Forms.StatusBarPanel
        {
                private int m_Minimum = 1;
                private int m_Maximum = 100;
                private int m_Value = 0;
                private Color m_Color;

                public ProgressPanel()
                {
                        this.Style = StatusBarPanelStyle.OwnerDraw;
                        this.ForeColor = Color.DarkBlue;
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