/// <summary>
/// Handles notification messages from the native control
/// </summary>
/// <param name="m">Message</param>
protected override void OnNotifyMessage(ref Microsoft.WindowsCE.Forms.Message m)
{
//check message is a notification
if (m.Msg == (int)WM.NOTIFY)
{
//marshal notification data into NMHDR struct
NMHDR hdr = (NMHDR)Marshal.PtrToStructure(m.LParam, typeof(NMHDR));
//context menu event is a special case
if (hdr.code == (int)NM.CONTEXTMENU)
{
//if the ContextMenu property is set show the user's context menu
//if no ContextMenu is set we ignore this notification and use the built in Context Menu.
if (this.ContextMenu != null)
{
NM_HTMLCONTEXT nmhc = (NM_HTMLCONTEXT)Marshal.PtrToStructure(m.LParam, typeof(NM_HTMLCONTEXT));
//cancel default context menu
m.Result = new IntPtr(-1);
//set position
System.Drawing.Point pos = new System.Drawing.Point(nmhc.x, nmhc.y);
//show popup
this.ContextMenu.Show(this, pos);
}
}
else
{
//get html viwer specific data from the notification message
NM_HTMLVIEW nmhtml = (NM_HTMLVIEW)Marshal.PtrToStructure(m.LParam, typeof(NM_HTMLVIEW));
//marshal the Target string
string target = MarshalEx.PtrToStringAuto(nmhtml.szTarget);
//check the incoming message code and process as required
switch (nmhtml.code)
{
//hotspot click
case (int)NM.HOTSPOT:
case (int)NM.BEFORENAVIGATE:
OnNavigating(new WebBrowserNavigatingEventArgs(target));
break;
//navigate complete
case (int)NM.NAVIGATECOMPLETE:
OnNavigated(new WebBrowserNavigatedEventArgs(target));
break;
//document complete
case (int)NM.DOCUMENTCOMPLETE:
OnDocumentCompleted(new WebBrowserDocumentCompletedEventArgs(target));
break;
//title notification
case (int)NM.TITLECHANGE:
case (int)NM.TITLE:
m_title = target;
OnDocumentTitleChanged(new EventArgs());
break;
}
}
}
base.OnNotifyMessage(ref m);
}
