private static int _setPositionFoundOfficialSymbol(Control control, string message, bool isPositionFoundOfficialSymbol, PositionFoundOfficialSymbol positionFoundOfficialSymbol, string foundOfficialSymbol)
{
var position = -1;
if (!string.IsNullOrEmpty(message))
{
var text = "";
var isMessageNoEqualsFoundOfficialSymbol = !string.Equals(message, foundOfficialSymbol, StringComparison.OrdinalIgnoreCase);
var foundOfficialSymbolLength = foundOfficialSymbol.Length;
if (isMessageNoEqualsFoundOfficialSymbol && isPositionFoundOfficialSymbol)
{
if ((positionFoundOfficialSymbol & PositionFoundOfficialSymbol.Start) == PositionFoundOfficialSymbol.Start)
{
if ((message.Length < foundOfficialSymbolLength) || (message.IndexOf(foundOfficialSymbol, 0, foundOfficialSymbolLength, StringComparison.OrdinalIgnoreCase) == -1))
{
text = foundOfficialSymbol;
}
}
}
text += message;
position = text.Length;
if (isMessageNoEqualsFoundOfficialSymbol && isPositionFoundOfficialSymbol)
{
if ((positionFoundOfficialSymbol & PositionFoundOfficialSymbol.End) == PositionFoundOfficialSymbol.End)
{
if ((message.Length < foundOfficialSymbolLength) || (message.IndexOf(foundOfficialSymbol, message.Length - foundOfficialSymbolLength, foundOfficialSymbolLength, StringComparison.OrdinalIgnoreCase) == -1))
{
text += foundOfficialSymbol;
}
}
}
control.Text = text;
}
return(position);
}
//---------------------------------------------------------------------
private bool _setPositionFoundOfficialSymbolAndCursor(TextBoxBase textBox, string message, PositionFoundOfficialSymbol positionFoundOfficialSymbol)
{
var result = false;
if (string.IsNullOrWhiteSpace(textBox.Text) || textBox.Text.Length == textBox.SelectionLength)
{
result = true;
var position = _setPositionFoundOfficialSymbol(textBox, message, _isSetFoundOfficialSymbol, positionFoundOfficialSymbol, _foundOfficialSymbolMessage);
_setPositionCursor(textBox, position);
}
return(result);
}
