/// <summary>
/// Implementation of the INotifiable Notify method.
/// </summary>
/// <remarks>Receives notification messages from the native HTMLViewer control.</remarks>
/// <param name="notifydata">Pointer to a Notification struct.</param>
void INotifiable.Notify(IntPtr notifydata)
{
//marshal data to custom nmhtml struct
//Marshal.PtrToStructure doesn't work so marshalling items individually
NM_HTMLVIEW nmhtml = new NM_HTMLVIEW();
nmhtml.hwndFrom = (IntPtr)Marshal.ReadInt32(notifydata, 0);
nmhtml.idFrom = Marshal.ReadInt32(notifydata, 4);
nmhtml.code = Marshal.ReadInt32(notifydata, 8);
nmhtml.szTarget = (IntPtr)Marshal.ReadInt32(notifydata, 12);
nmhtml.szData = (IntPtr)Marshal.ReadInt32(notifydata, 16);
nmhtml.dwCookie = (IntPtr)Marshal.ReadInt32(notifydata, 20);
nmhtml.szExInfo = (IntPtr)Marshal.ReadInt32(notifydata, 24);
//check the incoming message code and process as required
switch(nmhtml.code)
{
//hotspotclick
case (int)HtmlNotification.Hotspot:
//use the new PtrToStringAuto to get string whether Unicode or ASCII
string url = OpenNETCF.Runtime.InteropServices.MarshalEx.PtrToStringAuto(nmhtml.szTarget);
HotSpotClickEventArgs e = new HotSpotClickEventArgs(url);
OnHotSpotClick(e);
break;
//navigate complete
case (int)HtmlNotification.NavigateComplete:
OnNavigateComplete(new EventArgs());
break;
//document complete
case (int)HtmlNotification.DocumentComplete:
OnDocumentComplete(new EventArgs());
break;
//title notification
case (int)HtmlNotification.Title:
//copy target to title field
//byte[] titlechars = new byte[256];
//Marshal.Copy(nmhtml.szTarget, titlechars, 0, 256);
//m_title = System.Text.Encoding.ASCII.GetString(titlechars, 0, 256);
//marshal the title
m_title = MarshalEx.PtrToStringAuto(nmhtml.szTarget);
break;
}
}
/// <summary>
/// Raises the HotSpotClick event.
/// </summary>
/// <param name="e">HotSpotClickEventArgs containing the Url of the requested page</param>
internal void OnHotSpotClick(HotSpotClickEventArgs e)
{
if(this.HotSpotClick!=null)
{
this.HotSpotClick(this, e);
}
}
