private void SetCharFormatFont(bool selectionOnly, System.Drawing.Font value)
{
byte[] bytes;
this.ForceHandleCreate();
System.Windows.Forms.NativeMethods.LOGFONT logfont = new System.Windows.Forms.NativeMethods.LOGFONT();
FontToLogFont(value, logfont);
int num = -1476394993;
int num2 = 0;
if (value.Bold)
{
num2 |= 1;
}
if (value.Italic)
{
num2 |= 2;
}
if (value.Strikeout)
{
num2 |= 8;
}
if (value.Underline)
{
num2 |= 4;
}
if (Marshal.SystemDefaultCharSize == 1)
{
bytes = Encoding.Default.GetBytes(logfont.lfFaceName);
System.Windows.Forms.NativeMethods.CHARFORMATA lParam = new System.Windows.Forms.NativeMethods.CHARFORMATA();
for (int i = 0; i < bytes.Length; i++)
{
lParam.szFaceName[i] = bytes[i];
}
lParam.dwMask = num;
lParam.dwEffects = num2;
lParam.yHeight = (int) (value.SizeInPoints * 20f);
lParam.bCharSet = logfont.lfCharSet;
lParam.bPitchAndFamily = logfont.lfPitchAndFamily;
System.Windows.Forms.UnsafeNativeMethods.SendMessage(new HandleRef(this, base.Handle), 0x444, selectionOnly ? 1 : 4, lParam);
}
else
{
bytes = Encoding.Unicode.GetBytes(logfont.lfFaceName);
System.Windows.Forms.NativeMethods.CHARFORMATW charformatw = new System.Windows.Forms.NativeMethods.CHARFORMATW();
for (int j = 0; j < bytes.Length; j++)
{
charformatw.szFaceName[j] = bytes[j];
}
charformatw.dwMask = num;
charformatw.dwEffects = num2;
charformatw.yHeight = (int) (value.SizeInPoints * 20f);
charformatw.bCharSet = logfont.lfCharSet;
charformatw.bPitchAndFamily = logfont.lfPitchAndFamily;
System.Windows.Forms.UnsafeNativeMethods.SendMessage(new HandleRef(this, base.Handle), 0x444, selectionOnly ? 1 : 4, charformatw);
}
}
private System.Windows.Forms.NativeMethods.CHARFORMATA GetCharFormat(bool fSelection)
{
System.Windows.Forms.NativeMethods.CHARFORMATA lParam = new System.Windows.Forms.NativeMethods.CHARFORMATA();
System.Windows.Forms.UnsafeNativeMethods.SendMessage(new HandleRef(this, base.Handle), 0x43a, fSelection ? 1 : 0, lParam);
return lParam;
}
private bool SetCharFormat(int mask, int effect, RichTextBoxSelectionAttribute charFormat)
{
if (!base.IsHandleCreated)
{
return false;
}
System.Windows.Forms.NativeMethods.CHARFORMATA lParam = new System.Windows.Forms.NativeMethods.CHARFORMATA {
dwMask = mask
};
switch (charFormat)
{
case RichTextBoxSelectionAttribute.None:
lParam.dwEffects = 0;
break;
case RichTextBoxSelectionAttribute.All:
lParam.dwEffects = effect;
break;
default:
throw new ArgumentException(System.Windows.Forms.SR.GetString("UnknownAttr"));
}
return (IntPtr.Zero != System.Windows.Forms.UnsafeNativeMethods.SendMessage(new HandleRef(this, base.Handle), 0x444, 1, lParam));
}
