/// <include file='doc\FontDialog.uex' path='docs/doc[@for="FontDialog.HookProc"]/*' />
/// <devdoc>
/// <para>
/// Specifies the common dialog box hook procedure that is overridden to add
/// specific functionality to a common dialog box.
/// </para>
/// </devdoc>
protected override IntPtr HookProc(IntPtr hWnd, int msg, IntPtr wparam, IntPtr lparam)
{
switch (msg)
{
case NativeMethods.WM_COMMAND:
if ((int)wparam == 0x402)
{
NativeMethods.LOGFONT lf = new NativeMethods.LOGFONT();
UnsafeNativeMethods.SendMessage(new HandleRef(null, hWnd), NativeMethods.WM_CHOOSEFONT_GETLOGFONT, 0, lf);
UpdateFont(lf);
int index = (int)UnsafeNativeMethods.SendDlgItemMessage(new HandleRef(null, hWnd), 0x473, NativeMethods.CB_GETCURSEL, IntPtr.Zero, IntPtr.Zero);
if (index != NativeMethods.CB_ERR)
{
UpdateColor((int)UnsafeNativeMethods.SendDlgItemMessage(new HandleRef(null, hWnd), 0x473,
NativeMethods.CB_GETITEMDATA, (IntPtr)index, IntPtr.Zero));
}
if (NativeWindow.WndProcShouldBeDebuggable)
{
OnApply(EventArgs.Empty);
}
else
{
try
{
OnApply(EventArgs.Empty);
}
catch (Exception e)
{
Application.OnThreadException(e);
}
}
}
break;
case NativeMethods.WM_INITDIALOG:
if (!showColor)
{
IntPtr hWndCtl = UnsafeNativeMethods.GetDlgItem(new HandleRef(null, hWnd), NativeMethods.cmb4);
SafeNativeMethods.ShowWindow(new HandleRef(null, hWndCtl), NativeMethods.SW_HIDE);
hWndCtl = UnsafeNativeMethods.GetDlgItem(new HandleRef(null, hWnd), NativeMethods.stc4);
SafeNativeMethods.ShowWindow(new HandleRef(null, hWndCtl), NativeMethods.SW_HIDE);
}
break;
}
return(base.HookProc(hWnd, msg, wparam, lparam));
}
