protected override void OnActivated(EventArgs e)
{
if (Ribbon != null)
{
Ribbon.Invalidate();
}
base.OnActivated(e);
}
/// <summary>
/// Processes the WndProc for a form with a Ribbbon. Returns true if message has been handled
/// </summary>
/// <param name="m">Message to process</param>
/// <returns><c>true</c> if message has been handled. <c>false</c> otherwise</returns>
public virtual bool WndProc(ref Message m)
{
if (DesignMode)
{
return(false);
}
bool handled = false;
if (WinApi.IsVista)
{
#region Checks if DWM processes the message
IntPtr result;
int dwmHandled = WinApi.DwmDefWindowProc(m.HWnd, m.Msg, m.WParam, m.LParam, out result);
if (dwmHandled == 1)
{
m.Result = result;
handled = true;
}
#endregion
}
//if (m.Msg == WinApi.WM_NCLBUTTONUP)
//{
// UpdateRibbonConditions();
//}
if (!handled)
{
if (m.Msg == WinApi.WM_NCCALCSIZE && (int)m.WParam == 1) //0x83
{
#region Catch the margins of what the client area would be
WinApi.NCCALCSIZE_PARAMS nccsp = (WinApi.NCCALCSIZE_PARAMS)Marshal.PtrToStructure(m.LParam, typeof(WinApi.NCCALCSIZE_PARAMS));
if (!MarginsChecked)
{
//Set what client area would be for passing to DwmExtendIntoClientArea
SetMargins(new Padding(
nccsp.rect2.Left - nccsp.rect1.Left,
nccsp.rect2.Top - nccsp.rect1.Top,
nccsp.rect1.Right - nccsp.rect2.Right,
nccsp.rect1.Bottom - nccsp.rect2.Bottom));
MarginsChecked = true;
}
#region Hack to get rid of the black caption bar when form is maximized on multi-monitor setups with DWM enabled
// toATwork: on multi-monitor setups the caption bar when the form is maximized the caption bar is black instead of glass
// * set handled to false and let the base implementation handle it, will work but then the default caption bar
// is also visible - not desired
// * setting the client area to some other value, e.g. descrease the size of the client area by one pixel will
// cause windows to render the caption bar a glass - not correct but the lesser of the two evils
if (Screen.AllScreens.Length > 1 && WinApi.IsGlassEnabled)
{
nccsp.rect0.Bottom -= 1;
}
#endregion
Marshal.StructureToPtr(nccsp, m.LParam, false);
m.Result = IntPtr.Zero;
handled = true;
#endregion
}
else if (m.Msg == WinApi.WM_NCACTIVATE && Ribbon != null && Ribbon.ActualBorderMode == RibbonWindowMode.NonClientAreaCustomDrawn)
{
Ribbon.Invalidate(); handled = true;
if (m.WParam == IntPtr.Zero) // if could be removed because result is ignored if WParam is TRUE
{
m.Result = (IntPtr)1;
}
}
else if ((m.Msg == WinApi.WM_ACTIVATE || m.Msg == WinApi.WM_PAINT) && WinApi.IsVista) //0x06 - 0x000F
{
m.Result = (IntPtr)1; handled = false;
}
else if (m.Msg == WinApi.WM_NCHITTEST && (int)m.Result == 0) //0x84
{
m.Result = new IntPtr(Convert.ToInt32(NonClientHitTest(new Point(WinApi.LoWord((int)m.LParam), WinApi.HiWord((int)m.LParam)))));
handled = true;
}
else if (m.Msg == WinApi.WM_SYSCOMMAND)
{
uint param = IntPtr.Size == 4 ? (uint)m.WParam.ToInt32() : (uint)m.WParam.ToInt64();
if ((param & 0xFFF0) == WinApi.SC_RESTORE)
{
Form.Size = _storeSize;
}
else if (Form.WindowState == FormWindowState.Normal)
{
_storeSize = Form.Size;
}
}
else if (m.Msg == WinApi.WM_WINDOWPOSCHANGING || m.Msg == WinApi.WM_WINDOWPOSCHANGED) // needed to update the title of MDI parent (at least)
{
if (Ribbon != null)
{
Ribbon.Invalidate();
}
}
}
return(handled);
}
/// <summary>
/// Processes the WndProc for a form with a Ribbbon. Returns true if message has been handled
/// </summary>
/// <param name="m">Message to process</param>
/// <returns><c>true</c> if message has been handled. <c>false</c> otherwise</returns>
public virtual bool WndProc(ref Message m)
{
if (DesignMode)
{
return(false);
}
bool handled = false;
if (WinApi.IsVista)
{
#region Checks if DWM processes the message
IntPtr result;
int dwmHandled = WinApi.DwmDefWindowProc(m.HWnd, m.Msg, m.WParam, m.LParam, out result);
if (dwmHandled == 1)
{
m.Result = result;
handled = true;
}
#endregion
}
//if (m.Msg == WinApi.WM_NCLBUTTONUP)
//{
// UpdateRibbonConditions();
//}
if (!handled)
{
if (m.Msg == WinApi.WM_NCCALCSIZE && (int)m.WParam == 1) //0x83
{
#region Catch the margins of what the client area would be
WinApi.NCCALCSIZE_PARAMS nccsp = (WinApi.NCCALCSIZE_PARAMS)Marshal.PtrToStructure(m.LParam, typeof(WinApi.NCCALCSIZE_PARAMS));
if (!MarginsChecked)
{
//Set what client area would be for passing to DwmExtendIntoClientArea
SetMargins(new Padding(
nccsp.rect2.Left - nccsp.rect1.Left,
nccsp.rect2.Top - nccsp.rect1.Top,
nccsp.rect1.Right - nccsp.rect2.Right,
nccsp.rect1.Bottom - nccsp.rect2.Bottom));
MarginsChecked = true;
}
Marshal.StructureToPtr(nccsp, m.LParam, false);
m.Result = IntPtr.Zero;
handled = true;
#endregion
}
else if (m.Msg == WinApi.WM_NCACTIVATE && Ribbon != null && Ribbon.ActualBorderMode == RibbonWindowMode.NonClientAreaCustomDrawn)
{
Ribbon.Invalidate(); handled = true;
if (m.WParam == IntPtr.Zero) // if could be removed because result is ignored if WParam is TRUE
{
m.Result = (IntPtr)1;
}
}
else if ((m.Msg == WinApi.WM_ACTIVATE || m.Msg == WinApi.WM_PAINT) && WinApi.IsVista) //0x06 - 0x000F
{
m.Result = (IntPtr)1; handled = false;
}
else if (m.Msg == WinApi.WM_NCHITTEST && (int)m.Result == 0) //0x84
{
#region Check the Non-client area hit test
m.Result = new IntPtr(Convert.ToInt32(NonClientHitTest(new Point(WinApi.LoWord((int)m.LParam), WinApi.HiWord((int)m.LParam)))));
handled = true;
if (Ribbon != null && Ribbon.ActualBorderMode == RibbonWindowMode.NonClientAreaCustomDrawn)
{
//Kevin Carbis - this refresh call caused severe cpu usage while moving the mouse over the
//caption bar. I have been trying to find a way to make a less demanding call to paint.
//Form.Refresh();
//WinApi.InvalidateWindow(Form.Handle);
//Form.Invalidate();
//Ribbon.Invalidate();
Ribbon.RedrawArea(Ribbon.ClientRectangle);
}
//Console.WriteLine("Msg " + m.Msg.ToString() + " " + m.Msg.ToString("X"));
#endregion
}
else if (
(Ribbon != null && Ribbon.ActualBorderMode != RibbonWindowMode.NonClientAreaCustomDrawn) &&
(m.Msg == WinApi.WM_SYSCOMMAND || m.Msg == WinApi.WM_WINDOWPOSCHANGING || m.Msg == WinApi.WM_WINDOWPOSCHANGED))
{
Ribbon.Invalidate();
}
else if (m.Msg == WinApi.WM_NCMOUSELEAVE)
{
}
}
return(handled);
}