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// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
// Copyright (c) 2004-2006 Novell, Inc. (http://www.novell.com)
//
// Authors:
// Peter Bartok (pbartok@novell.com)
//
//
// NOT COMPLETE
using System.ComponentModel;
namespace System.Windows.Forms {
[ToolboxItemFilter("System.Windows.Forms")]
public abstract class CommonDialog : System.ComponentModel.Component {
#region DialogForm
internal class DialogForm : Form {
#region DialogForm Local Variables
protected CommonDialog owner;
#endregion DialogForm Local Variables
#region DialogForm Constructors
internal DialogForm(CommonDialog owner) {
this.owner = owner;
ControlBox = true;
MinimizeBox = false;
MaximizeBox = false;
ShowInTaskbar = false;
FormBorderStyle = FormBorderStyle.Sizable;
StartPosition = FormStartPosition.CenterScreen;
}
#endregion DialogForm Constructors
#region Protected Instance Properties
protected override CreateParams CreateParams {
get {
CreateParams cp;
cp = base.CreateParams;
cp.Style |= (int)(WindowStyles.WS_POPUP | WindowStyles.WS_CAPTION | WindowStyles.WS_SYSMENU);
return cp;
}
}
#endregion // Protected Instance Properties
#region Internal Methods
internal DialogResult RunDialog () {
owner.InitFormsSize (this);
this.ShowDialog ();
return this.DialogResult;
}
#endregion Internal Methods
}
#endregion DialogForm
#region Local Variables
internal DialogForm form;
private object tag;
#endregion Local Variables
#region Public Constructors
public CommonDialog() {
}
#endregion Public Constructors
#region Public Properties
[Localizable (false)]
[Bindable (true)]
[TypeConverter (typeof (StringConverter))]
[DefaultValue (null)]
[MWFCategory ("Data")]
public object Tag {
get { return this.tag; }
set { this.tag = value; }
}
#endregion
#region Internal Methods
internal virtual void InitFormsSize(Form form) {
// Override this to set a default size for the form
form.Width = 200;
form.Height = 200;
}
#endregion Internal Methods
#region Public Instance Methods
public abstract void Reset ();
public DialogResult ShowDialog() {
return ShowDialog (null);
}
public DialogResult ShowDialog (IWin32Window owner)
{
// This is an external derived CommonDialog
if (form == null) {
if (RunDialog (owner == null ? IntPtr.Zero : owner.Handle))
return DialogResult.OK;
return DialogResult.Cancel;
}
// This is an internal derived CommonDialog
if (RunDialog (form.Handle))
form.ShowDialog (owner);
return form.DialogResult;
}
#endregion // Public Instance Methods
#region Protected Instance Methods
protected virtual IntPtr HookProc(IntPtr hWnd, int msg, IntPtr wparam, IntPtr lparam) {
return IntPtr.Zero;
}
protected virtual void OnHelpRequest(EventArgs e) {
EventHandler eh = (EventHandler)(Events [HelpRequestEvent]);
if (eh != null)
eh (this, e);
}
protected virtual IntPtr OwnerWndProc(IntPtr hWnd, int msg, IntPtr wparam, IntPtr lparam) {
return IntPtr.Zero;
}
protected abstract bool RunDialog(IntPtr hwndOwner);
#endregion // Protected Instance Methods
#region Events
static object HelpRequestEvent = new object ();
public event EventHandler HelpRequest {
add { Events.AddHandler (HelpRequestEvent, value); }
remove { Events.RemoveHandler (HelpRequestEvent, value); }
}
#endregion // Events
}
}
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