mcs/class/Managed.Windows.Forms/System.Windows.Forms/UserControl.cs

   1 // Permission is hereby granted, free of charge, to any person obtaining
   2 // a copy of this software and associated documentation files (the
   3 // "Software"), to deal in the Software without restriction, including
   4 // without limitation the rights to use, copy, modify, merge, publish,
   5 // distribute, sublicense, and/or sell copies of the Software, and to
   6 // permit persons to whom the Software is furnished to do so, subject to
   7 // the following conditions:
   8 //
   9 // The above copyright notice and this permission notice shall be
  10 // included in all copies or substantial portions of the Software.
  11 //
  12 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  13 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  14 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  15 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  16 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  17 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  18 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  19 //
  20 // Copyright (c) 2004-2005 Novell, Inc.
  21 //
  22 // Authors:
  23 //      Peter Bartok    pbartok@novell.com
  24 //
  25
  26 using System;
  27 using System.ComponentModel;
  28 using System.ComponentModel.Design;
  29 using System.Drawing;
  30 using System.Runtime.InteropServices;
  31
  32 namespace System.Windows.Forms {
  33         [DefaultEvent("Load")]
  34         [DesignerCategory("UserControl")]
  35         [Designer("System.Windows.Forms.Design.ControlDesigner, " + Consts.AssemblySystem_Design, "System.ComponentModel.Design.IDesigner")]
  36         [Designer("System.Windows.Forms.Design.UserControlDocumentDesigner, " + Consts.AssemblySystem_Design, typeof(IRootDesigner))]
  37 #if NET_2_0
  38         [ClassInterface (ClassInterfaceType.AutoDispatch)]
  39         [ComVisible (true)]
  40 #endif
  41         public class UserControl : ContainerControl {
  42                 #region Public Constructors
  43                 public UserControl() {
  44 #if NET_2_0
  45                         SetStyle (ControlStyles.SupportsTransparentBackColor, true);
  46 #endif
  47                 }
  48                 #endregion      // Public Constructors
  49
  50                 #region Public Instance Properties
  51                 protected override Size DefaultSize {
  52                         get {
  53                                 return new Size(150, 150);
  54                         }
  55                 }
  56
  57
  58                 [Bindable(false)]
  59                 [Browsable(false)]
  60                 [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
  61                 [EditorBrowsable(EditorBrowsableState.Never)]
  62                 public override string Text {
  63                         get {
  64                                 return base.Text;
  65                         }
  66
  67                         set {
  68                                 base.Text = value;
  69                         }
  70                 }
  71                 #endregion      // Public Instance Properties
  72
  73                 #region Protected Instance Methods
  74                 [EditorBrowsable(EditorBrowsableState.Advanced)]
  75                 protected override void OnCreateControl() {
  76                         base.OnCreateControl();
  77
  78                         // The OnCreateControl isn't neccessarily raised *before* it
  79                         // becomes first visible, but that's the best we've got
  80                         OnLoad(EventArgs.Empty);
  81                 }
  82
  83                 [EditorBrowsable(EditorBrowsableState.Advanced)]
  84                 protected virtual void OnLoad(EventArgs e) {
  85                         EventHandler eh = (EventHandler)(Events [LoadEvent]);
  86                         if (eh != null)
  87                                 eh (this, e);
  88                 }
  89
  90                 [EditorBrowsable(EditorBrowsableState.Advanced)]
  91                 protected override void OnMouseDown(MouseEventArgs e) {
  92                         base.OnMouseDown(e);
  93                 }
  94
  95                 [EditorBrowsable(EditorBrowsableState.Advanced)]
  96                 protected override void WndProc(ref Message m) {
  97                         base.WndProc(ref m);
  98                 }
  99                 #endregion      // Protected Instance Methods
 100
 101                 #region Events
 102                 static object LoadEvent = new object ();
 103
 104                 public event EventHandler Load {
 105                         add { Events.AddHandler (LoadEvent, value); }
 106                         remove { Events.RemoveHandler (LoadEvent, value); }
 107                 }
 108
 109                 [Browsable(false)]
 110                 [EditorBrowsable(EditorBrowsableState.Never)]
 111                 public new event EventHandler TextChanged {
 112                         add { base.TextChanged += value; }
 113                         remove { base.TextChanged -= value; }
 114                 }
 115
 116                 #endregion      // Events
 117
 118 #if NET_2_0
 119                 protected override void OnResize (EventArgs e)
 120                 {
 121                         base.OnResize (e);
 122                 }
 123
 124                 [Browsable (true)]
 125                 [DefaultValue (BorderStyle.None)]
 126                 [EditorBrowsable (EditorBrowsableState.Always)]
 127                 public BorderStyle BorderStyle {
 128                         get { return InternalBorderStyle; }
 129                         set { InternalBorderStyle = value; }
 130                 }
 131 #endif
 132         }
 133 }