public void SetPrompt(Control c, string value)
{
if (c == null)
{
throw new ArgumentNullException();
}
if (!CanExtend(c))
{
throw new ArgumentException("Control must be derived from TextBoxBase");
}
if (String.IsNullOrEmpty(value))
{
_extendees.Remove(c);
}
else
{
if (_extendees.ContainsKey(c))
{
_extendees[c].Prompt = value;
}
else
{
_extendees[c] = new PromptPainter(c, value);
}
}
}
public void SetPrompt(Control c, string value)
{
if (c == null)
{
throw new ArgumentNullException();
}
if (!CanExtend(c))
{
throw new ArgumentException("Control must be derived from TextBoxBase");
}
if (String.IsNullOrEmpty(value))
{
_extendees.Remove(c);
}
else
{
if (_extendees.ContainsKey(c))
{
_extendees[c].Prompt = value;
}
else
{
_extendees[c] = new PromptPainter(c, value);
}
}
}