private void CenterButton_Click(object sender, EventArgs e)
{
if (TextRichTextBox.SelectionAlignment == HorizontalAlignment.Center)
{
TextRichTextBox.SelectionAlignment = HorizontalAlignment.Left;
}
else
{
TextRichTextBox.SelectionAlignment = HorizontalAlignment.Center;
}
TextRichTextBox.Focus();
}
private void SizeTextBox_KeyPress(object sender, KeyPressEventArgs e)
{
if ((e.KeyChar < 45 || e.KeyChar > 57) && e.KeyChar != 8 && e.KeyChar != 13)
{
e.Handled = true;
}
else if (e.KeyChar == 13)
{
TextBox txt = (TextBox)sender;
if (txt.Text.Length > 0)
{
ChangeFontSize(txt.Text);
}
e.Handled = true;
TextRichTextBox.Focus();
}
}
private void UnderlineButton_Click(object sender, EventArgs e)
{
Font newFont;
Font oldFont;
oldFont = TextRichTextBox.SelectionFont;
if (oldFont.Underline)
{
newFont = new Font(oldFont, oldFont.Style & ~FontStyle.Underline);
}
else
{
newFont = new Font(oldFont, oldFont.Style | FontStyle.Underline);
}
//setting new font and focus on text area
TextRichTextBox.SelectionFont = newFont;
TextRichTextBox.Focus();
}