private void DeleteCommandExecute()
{
if (_hasOperation)
{
return;
}
if (!String.IsNullOrWhiteSpace(DisplayValue))
{
DisplayValue = DisplayValue.Remove(DisplayValue.Length - 1);
}
}
private void DeleteCommandExecute(object obj)
{
if (DisplayValue != string.Empty)
{
int txtLength = DisplayValue.Length;
if (txtLength != 1)
{
string newDisplay = DisplayValue.Remove(txtLength - 1);
}
else
{
string newDisplay = 0.ToString();
}
}
}