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;
12. public class WaitDialogForm : XtraForm
13. {
14. private Font boldFont;
15. private string caption;
16. private Font font;
17. private PictureBox pic;
18. private string title;
19. public WaitDialogForm() : this("")
20. {
21. }
22. public WaitDialogForm(string caption) : this(caption, "")
23. {
24. }
25. public WaitDialogForm(string caption, Size size) : this(caption, "", size, null)
26. {
27. }
28. public WaitDialogForm(string caption, string title) : this(caption, title, new Size(260, 50), null)
29. {
30. }
31. public WaitDialogForm(string caption, string title, Size size) : this(caption, title, size, null)
32. {
33. }
34. public WaitDialogForm(string caption, string title, Size size, Form parent)
35. {
36. this.caption = "";
37. this.title = "";
38. this.boldFont = new Font("Arial", 9f, FontStyle.Bold);
39. this.font = new Font("Arial", 9f);
40. this.caption = caption;
41. this.title = (title == "") ? "Loading Data. Please Wait." : title;
42. this.pic = new PictureBox();
43. base.FormBorderStyle = FormBorderStyle.FixedDialog;
44. base.ControlBox = false;
45. base.ClientSize = size;
46. if (parent == null)
47. {
48. base.StartPosition = FormStartPosition.CenterScreen;
49. }
50. else
51. {
52. base.StartPosition = FormStartPosition.Manual;
53. base.Left = parent.Left + ((parent.Width - base.Width) / 2);
54. base.Top = parent.Top + ((parent.Height - base.Height) / 2);
55. }
56. base.ShowInTaskbar = false;
57. base.TopMost = true;
58. base.Paint += new PaintEventHandler(this.WaitDialogPaint);
59. this.pic.Size = new Size(0x10, 0x10);
60. this.pic.Location = new Point(8, (base.ClientSize.Height / 2) - 0x10);
61. this.pic.Image = Image.FromStream(Assembly.GetExecutingAssembly().GetManifestResourceStream("DevExpress.Utils.wait.gif"));
62. base.Controls.Add(this.pic);
63. base.Show();
64. this.Refresh();
65. }
66. public string GetCaption()
67. {
68. return this.Caption;
69. }
70. protected override void OnClosing(CancelEventArgs e)
71. {
72. this.pic.Image = null;
73. this.boldFont = null;
74. this.font = null;
75. base.OnClosing(e);
76. }
77. public void SetCaption(string newCaption)
78. {
79. this.Caption = newCaption;
80. }
81. private void WaitDialogPaint(object sender, PaintEventArgs e)
82. {
83. Rectangle clipRectangle = e.ClipRectangle;
84. clipRectangle.Inflate(-1, -1);
85. GraphicsCache cache = new GraphicsCache(e);
86. using (StringFormat format = new StringFormat())
87. {
88. Brush solidBrush = cache.GetSolidBrush(LookAndFeelHelper.GetSystemColor(base.LookAndFeel, SystemColors.WindowText));
89. format.Alignment = format.LineAlignment = StringAlignment.Center;
90. format.Trimming = StringTrimming.EllipsisCharacter;
91. if (base.LookAndFeel.ActiveLookAndFeel.ActiveStyle == ActiveLookAndFeelStyle.Skin)
92. {
93. ObjectPainter.DrawObject(cache, new SkinTextBorderPainter(base.LookAndFeel), new BorderObjectInfoArgs(null, clipRectangle, null));
94. }
95. else
96. {
97. ControlPaint.DrawBorder3D(e.Graphics, clipRectangle, Border3DStyle.RaisedInner);
98. }
99. clipRectangle.X += 30;
100. clipRectangle.Width -= 30;
101. clipRectangle.Height /= 3;
102. clipRectangle.Y += clipRectangle.Height / 2;
103. e.Graphics.DrawString(this.title, this.boldFont, solidBrush, clipRectangle, format);
104. clipRectangle.Y += clipRectangle.Height;
105. e.Graphics.DrawString(this.caption, this.font, solidBrush, clipRectangle, format);
106. cache.Dispose();
107. }
108. }
109. public override bool AllowFormSkin
110. {
111. get
112. {
113. return false;
114. }
115. }
116. public string Caption
117. {
118. get
119. {
120. return this.caption;
121. }
122. set
123. {
124. this.caption = value;
125. this.Refresh();
126. }
127. }
128. }
129. }