private void OpenButton_Click(object sender, EventArgs e)
{
openFileDialog1.Filter = "rtf files|*.rtf";
if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
TextRichTextBox.LoadFile(openFileDialog1.FileName, RichTextBoxStreamType.RichText);
}
}
private void SaveButton_Click(object sender, EventArgs e)
{
try
{
TextRichTextBox.SaveFile(@"../../Test.rtf", RichTextBoxStreamType.RichText);
MessageBox.Show("The file has been saved!");
}
catch (FileNotFoundException fnfe)
{
MessageBox.Show(fnfe.Message);
}
}
private void LoadButton_Click(object sender, EventArgs e)
{
try
{
TextRichTextBox.LoadFile(@"../../Test.rtf");
MessageBox.Show("The file has been loaded!");
}
catch (FileNotFoundException)
{
MessageBox.Show("File has not been saved yet!");
}
}
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 SaveButton_Click(object sender, EventArgs e)
{
saveFileDialog1.Filter = "rtf files|*.rtf";
if (saveFileDialog1.ShowDialog() == DialogResult.OK)
{
if (TextRichTextBox.Text != "")
{
TextRichTextBox.SaveFile(saveFileDialog1.FileName, RichTextBoxStreamType.RichText);
TextRichTextBox.Clear();
MessageBox.Show("Text has been saved!");
}
}
}
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();
}
private void UpdateTextRichTextBox(int currentLine = -1)
{
FlowDocument doc = new FlowDocument( );
double pos = TextRichTextBox.VerticalOffset;
foreach (var line in _displayInfo.TextOutput.Split(new char[] { '\n' }, StringSplitOptions.RemoveEmptyEntries))
{
var newparag = new Paragraph( );
if (doc.Blocks.Count + 1 == currentLine)
{
var span = new Span( );
span.Inlines.Add(new Run(line));
span.Background = new SolidColorBrush(Colors.LightBlue);
newparag.Inlines.Add(span);
}
else
{
newparag.Inlines.Add(new Run(line));
}
doc.Blocks.Add(newparag);
}
TextRichTextBox.Document = doc;
TextRichTextBox.ScrollToVerticalOffset(pos);
}
