private void ToggleSelectionFormat(FontStyle fs)
{
if ((m_uBlockEvents > 0) || (m_bdc != BinaryDataClass.RichText))
{
return;
}
try
{
Font f = m_rtbText.SelectionFont;
if (f != null)
{
m_rtbText.SelectionFont = new Font(f, f.Style ^ fs);
}
else
{
NativeMethods.CHARFORMAT2 cf = UIUtil.RtfGetCharFormat(m_rtbText);
cf.dwMask = 0;
if ((fs & FontStyle.Bold) != FontStyle.Regular)
{
cf.dwMask |= NativeMethods.CFM_BOLD;
cf.dwEffects ^= NativeMethods.CFE_BOLD;
}
if ((fs & FontStyle.Italic) != FontStyle.Regular)
{
cf.dwMask |= NativeMethods.CFM_ITALIC;
cf.dwEffects ^= NativeMethods.CFE_ITALIC;
}
if ((fs & FontStyle.Underline) != FontStyle.Regular)
{
cf.dwMask |= NativeMethods.CFM_UNDERLINE;
cf.dwEffects ^= NativeMethods.CFE_UNDERLINE;
}
if ((fs & FontStyle.Strikeout) != FontStyle.Regular)
{
cf.dwMask |= NativeMethods.CFM_STRIKEOUT;
cf.dwEffects ^= NativeMethods.CFE_STRIKEOUT;
}
UIUtil.RtfSetCharFormat(m_rtbText, cf);
}
}
catch (Exception ex) { MessageService.ShowWarning(ex); }
UpdateUIState(true, true);
}
public static void RtfSetSelectionLink(RichTextBox richTextBox)
{
try
{
NativeMethods.CHARFORMAT2 cf = new NativeMethods.CHARFORMAT2();
cf.cbSize = (UInt32)Marshal.SizeOf(cf);
cf.dwMask = NativeMethods.CFM_LINK;
cf.dwEffects = NativeMethods.CFE_LINK;
IntPtr wParam = (IntPtr)NativeMethods.SCF_SELECTION;
IntPtr lParam = Marshal.AllocCoTaskMem(Marshal.SizeOf(cf));
Marshal.StructureToPtr(cf, lParam, false);
NativeMethods.SendMessage(richTextBox.Handle,
NativeMethods.EM_SETCHARFORMAT, wParam, lParam);
Marshal.FreeCoTaskMem(lParam);
}
catch (Exception) { Debug.Assert(false); }
}
