waitdialogform z

1. namespace DevExpress.Utils
2. {
3.     using DevExpress.LookAndFeel;
4.     using DevExpress.Skins;
5.     using DevExpress.Utils.Drawing;
6.     using DevExpress.XtraEditors;
7.     using System;
8.     using System.ComponentModel;
9.     using System.Drawing;
10.     using System.Reflection;
11.     using System.Windows.Forms;
13.     public class WaitDialogForm : XtraForm
14.     {
15.         private Font boldFont;
16.         private string caption;
17.         private Font font;
18.         private PictureBox pic;
19.         private string title;
21.         public WaitDialogForm() : this("")
22.         {
23.         }
25.         public WaitDialogForm(string caption) : this(caption, "")
26.         {
27.         }
29.         public WaitDialogForm(string caption, Size size) : this(caption, "", size, null)
30.         {
31.         }
33.         public WaitDialogForm(string caption, string title) : this(caption, title, new Size(260, 50), null)
34.         {
35.         }
37.         public WaitDialogForm(string caption, string title, Size size) : this(caption, title, size, null)
38.         {
39.         }
41.         public WaitDialogForm(string caption, string title, Size size, Form parent)
42.         {
43.             this.caption = "";
44.             this.title = "";
45.             this.boldFont = new Font("Arial", 9f, FontStyle.Bold);
46.             this.font = new Font("Arial", 9f);
47.             this.caption = caption;
48.             this.title = (title == "") ? "Loading Data. Please Wait." : title;
49.             this.pic = new PictureBox();
50.             base.FormBorderStyle = FormBorderStyle.FixedDialog;
51.             base.ControlBox = false;
52.             base.ClientSize = size;
53.             if (parent == null)
54.             {
55.                 base.StartPosition = FormStartPosition.CenterScreen;
56.             }
57.             else
58.             {
59.                 base.StartPosition = FormStartPosition.Manual;
60.                 base.Left = parent.Left + ((parent.Width - base.Width) / 2);
61.                 base.Top = parent.Top + ((parent.Height - base.Height) / 2);
62.             }
63.             base.ShowInTaskbar = false;
64.             base.TopMost = true;
65.             base.Paint += new PaintEventHandler(this.WaitDialogPaint);
66.             this.pic.Size = new Size(0x10, 0x10);
67.             this.pic.Location = new Point(8, (base.ClientSize.Height / 2) - 0x10);
68.             this.pic.Image = Image.FromStream(Assembly.GetExecutingAssembly().GetManifestResourceStream("DevExpress.Utils.wait.gif"));
69.             base.Controls.Add(this.pic);
70.             base.Show();
71.             this.Refresh();
72.         }
74.         public string GetCaption()
75.         {
76.             return this.Caption;
77.         }
79.         protected override void OnClosing(CancelEventArgs e)
80.         {
81.             this.pic.Image = null;
82.             this.boldFont = null;
83.             this.font = null;
84.             base.OnClosing(e);
85.         }
87.         public void SetCaption(string newCaption)
88.         {
89.             this.Caption = newCaption;
90.         }
92.         private void WaitDialogPaint(object sender, PaintEventArgs e)
93.         {
94.             Rectangle clipRectangle = e.ClipRectangle;
95.             clipRectangle.Inflate(-1, -1);
96.             GraphicsCache cache = new GraphicsCache(e);
97.             using (StringFormat format = new StringFormat())
98.             {
99.                 Brush solidBrush = cache.GetSolidBrush(LookAndFeelHelper.GetSystemColor(base.LookAndFeel, SystemColors.WindowText));
100.                 format.Alignment = format.LineAlignment = StringAlignment.Center;
101.                 format.Trimming = StringTrimming.EllipsisCharacter;
102.                 if (base.LookAndFeel.ActiveLookAndFeel.ActiveStyle == ActiveLookAndFeelStyle.Skin)
103.                 {
104.                     ObjectPainter.DrawObject(cache, new SkinTextBorderPainter(base.LookAndFeel), new BorderObjectInfoArgs(null, clipRectangle, null));
105.                 }
106.                 else
107.                 {
108.                     ControlPaint.DrawBorder3D(e.Graphics, clipRectangle, Border3DStyle.RaisedInner);
109.                 }
110.                 clipRectangle.X += 30;
111.                 clipRectangle.Width -= 30;
112.                 clipRectangle.Height /= 3;
113.                 clipRectangle.Y += clipRectangle.Height / 2;
114.                 e.Graphics.DrawString(this.title, this.boldFont, solidBrush, clipRectangle, format);
115.                 clipRectangle.Y += clipRectangle.Height;
116.                 e.Graphics.DrawString(this.caption, this.font, solidBrush, clipRectangle, format);
117.                 cache.Dispose();
118.             }
119.         }
121.         public override bool AllowFormSkin
122.         {
123.             get
124.             {
125.                 return false;
126.             }
127.         }
129.         public string Caption
130.         {
131.             get
132.             {
133.                 return this.caption;
134.             }
135.             set
136.             {
137.                 this.caption = value;
138.                 this.Refresh();
139.             }
140.         }
141.     }
142. }