mcs/class/System.Windows.Forms/System.Windows.Forms/CommonDialog.cs

   1 //
   2 // System.Windows.Forms.CommonDialog.cs
   3 //
   4 // Author:
   5 //   stubbed out by Jaak Simm (jaaksimm@firm.ee)
   6 //   Dennis Hayes (dennish@Raytek.com)
   7 //   Aleksey Ryabchuk (ryabchuk@yahoo.com)
   8 // (C) Ximian, Inc., 2002
   9 //
  10
  11 //
  12 // Permission is hereby granted, free of charge, to any person obtaining
  13 // a copy of this software and associated documentation files (the
  14 // "Software"), to deal in the Software without restriction, including
  15 // without limitation the rights to use, copy, modify, merge, publish,
  16 // distribute, sublicense, and/or sell copies of the Software, and to
  17 // permit persons to whom the Software is furnished to do so, subject to
  18 // the following conditions:
  19 //
  20 // The above copyright notice and this permission notice shall be
  21 // included in all copies or substantial portions of the Software.
  22 //
  23 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  27 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  28 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  29 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  30 //
  31
  32 using System.ComponentModel;
  33
  34 namespace System.Windows.Forms {
  35
  36         /// <summary>
  37         /// Specifies the base class used for displaying dialog boxes on the screen.
  38         /// </summary>
  39
  40         [MonoTODO]
  41         public abstract class CommonDialog : Component {
  42
  43                 [MonoTODO]
  44                 public CommonDialog() : base ()
  45                 {
  46                 }
  47
  48                 [MonoTODO]
  49                 protected virtual IntPtr HookProc(IntPtr hWnd,int msg,IntPtr wparam,IntPtr lparam)
  50                 {
  51                         // FIXME: center window in response to WM_INITDIALOG message
  52                         return IntPtr.Zero;
  53                 }
  54
  55                 protected virtual void OnHelpRequest(EventArgs e)
  56                 {
  57                         if ( HelpRequest != null )
  58                                 HelpRequest ( this, e );
  59                 }
  60
  61                 [MonoTODO]
  62                 protected virtual IntPtr OwnerWndProc(IntPtr hWnd,int msg,IntPtr wparam,IntPtr lparam)
  63                 {
  64                         throw new NotImplementedException ();
  65                 }
  66
  67                 public abstract void Reset();
  68
  69                 protected abstract bool RunDialog(IntPtr hwndOwner);
  70
  71                 [MonoTODO]
  72                 public DialogResult ShowDialog()
  73                 {
  74                         IntPtr handle;
  75                         Control ctrl=Control.getOwnerWindow(null);
  76
  77                         if ((ctrl!=null) && (ctrl.Handle!=(IntPtr)0))
  78                                 handle=ctrl.Handle;
  79                         else
  80                                 handle = Win32.GetDesktopWindow();
  81
  82                         bool res = RunDialog (handle);
  83                         return res ? DialogResult.OK : DialogResult.Cancel;
  84                 }
  85
  86                 public DialogResult ShowDialog(IWin32Window owner)
  87                 {
  88                         bool res = RunDialog ( owner.Handle );
  89                         return res ? DialogResult.OK : DialogResult.Cancel;
  90                 }
  91
  92                 public event EventHandler HelpRequest;
  93         }
  94 }