protected void AddTextToRichTextBox(string text, Font font, Color color, HorizontalAlignment horizontalAlignment, bool append = true, bool insertAtBeginning = false)
{
if (!append)
{
MessagesRichTextBox.Text = string.Empty;
}
if (string.IsNullOrWhiteSpace(text))
{
return;
}
text = text.Replace("\r\n", EnvironmentNewLinePlaceHolder);
if (insertAtBeginning)
{
MessagesRichTextBox.SelectionStart = 0;
MessagesRichTextBox.SelectionLength = 0;
}
else
{
MessagesRichTextBox.SelectionStart = MessagesRichTextBox.Text.Length;
}
if (MessagesRichTextBox.Text.Trim().Length > 0)
{
MessagesRichTextBox.SelectedText = Environment.NewLine;
}
MessagesRichTextBox.SelectionFont = font;
MessagesRichTextBox.SelectionColor = color;
MessagesRichTextBox.SelectionAlignment = horizontalAlignment;
MessagesRichTextBox.SelectedText = text;
MessagesRichTextBox.Rtf = MessagesRichTextBox.Rtf.Replace(EnvironmentNewLinePlaceHolder, @"\par");
//Scroll to end
MessagesRichTextBox.SelectionStart = MessagesRichTextBox.Text.Length;
MessagesRichTextBox.ScrollToCaret();
}
private void AlertForm_Load(object sender, EventArgs e)
{
Visible = false;
if (!string.IsNullOrWhiteSpace(Rtf) && Rtf.ToLower().Contains("{\\rtf1"))
{
AddMessageBox();
MessagesRichTextBox.Rtf = Rtf;
}
if (!string.IsNullOrWhiteSpace(MessagesTitle))
{
AddMessageBox();
if (!string.IsNullOrWhiteSpace(MessagesTitle) &&
MessagesTitle.ToLower() !=
(!string.IsNullOrWhiteSpace(FormTitle) ? FormTitle : string.Empty).ToLower())
{
var color = IsErrorAlert ? Color.Red : Color.Green;
AddTextToRichTextBox(MessagesTitle, new Font("Segoe UI", 20), color, HorizontalAlignment.Center, true, true);
}
}
SaflySetFormMessage();
AddButtonsLayout(FormButtons);
AddImageBox(FormImage);
AddTitleLabel(FormTitle);
RenderForm();
if (MessagesRichTextBox != null)
{
MessagesRichTextBox.SelectionStart = 0;
MessagesRichTextBox.SelectionLength = 0;
MessagesRichTextBox.ScrollToCaret();
}
SetKeyPressEvent(this);
CentreWindow();
Visible = true;
}
