public override bool PreProcessMessage(ref Message msg)
{
bool handled = false;
if ((msg.Msg >= WindowsMessages.WM_KEYFIRST) && (msg.Msg <= WindowsMessages.WM_KEYLAST_NT501))
{
// If it's a key down, first see if the key combo is a command key
if (msg.Msg == WindowsMessages.WM_KEYDOWN)
{//ghm reeditwin
handled = ProcessCmdKey(ref msg, (Keys)(int)msg.WParam | ModifierKeys);
}
if (!handled)
{
int keyCode = (int)msg.WParam;
// Don't let Trident eat Ctrl-PgUp/PgDn
if (((keyCode != (int)Keys.PageUp) &&
(keyCode != (int)Keys.PageDown)) ||
((ModifierKeys & Keys.Control) == 0))
{
tagMSG cm = new tagMSG();
cm.hwnd = msg.HWnd;
cm.message = msg.Msg;
cm.wParam = msg.WParam;
cm.lParam = msg.LParam;
IOleInPlaceActiveObject accele = m_WBUnknown as IOleInPlaceActiveObject;
if( (accele != null) &&
(accele.TranslateAccelerator(ref cm) == Hresults.S_OK) )
handled = true;
}
else
{
// WndProc for Ctrl-PgUp/PgDn is never called so call it directly here
WndProc(ref msg);
handled = true;
}
}
}
if (!handled)
{
handled = base.PreProcessMessage(ref msg);
}
return handled;
}
int IDocHostUIHandler.TranslateAccelerator(ref tagMSG msg, ref Guid group, uint nCmdID)
{
// return Hresults.S_OK; //Cancel
// return Hresults.S_FALSE; //IE default action
Keys nVirtExtKey = Keys.None; // (int)0;
if ((ModifierKeys & Keys.Control) != 0)
nVirtExtKey = Keys.ControlKey; //CONTROL 17
if ((ModifierKeys & Keys.ShiftKey) != 0)
nVirtExtKey = Keys.ShiftKey; //SHIFT 16
if ((ModifierKeys & Keys.Menu) != 0)
nVirtExtKey = Keys.Menu; //ALT 18
Keys keyCode = (Keys)msg.wParam;
if ((msg.message == WindowsMessages.WM_KEYDOWN) && (WBKeyDown != null))
{
if (nCmdID == 17)
{ // ghm delete
if (this.deleteFunc())
return Hresults.S_OK;
}
if(this.canBeEditFunc() == false)
return Hresults.S_FALSE;
WBKeyDownEvent.SetParameters(keyCode, nVirtExtKey);
WBKeyDown(this, WBKeyDownEvent);
if (WBKeyDownEvent.handled)
return Hresults.S_OK;
}
if ((msg.message == WindowsMessages.WM_KEYUP) && (WBKeyUp != null))
{
if (this.canBeEditFunc() == false)
return Hresults.S_FALSE;
WBKeyUpEvent.SetParameters(keyCode, nVirtExtKey);
WBKeyUp(this, WBKeyUpEvent);
if (WBKeyUpEvent.handled == true)
return Hresults.S_OK;
}
//IE default action
return Hresults.S_FALSE;
}