private static void NumTextChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
var tb = d as TextBox;
if (tb == null)
{
return;
}
tb.PreviewTextInput -= tbb_PreviewTextInput;
tb.PreviewKeyDown -= tbb_PreviewKeyDown;
DataObject.RemovePastingHandler(tb, OnClipboardPaste);
NumTextType result = (NumTextType)e.NewValue;
if (result != NumTextType.Default)
{
InputMethod.SetIsInputMethodEnabled(tb, false);
tb.PreviewTextInput += tbb_PreviewTextInput;
tb.PreviewKeyDown += tbb_PreviewKeyDown;
DataObject.AddPastingHandler(tb, OnClipboardPaste);
}
else
{
InputMethod.SetIsInputMethodEnabled(tb, true);
}
}
//isDigit是否是数字
public static bool isNumberic(string _string, string allstr, NumTextType type)
{
if (string.IsNullOrEmpty(_string))
{
return(false);
}
foreach (char c in _string)
{
switch (type)
{
case NumTextType.Int:
if (!char.IsDigit(c))
{
return(false);
}
break;
case NumTextType.Float:
if (!char.IsDigit(c) && c != '.')
{
return(false);
}
break;
case NumTextType.Negative:
if (!char.IsDigit(c) && c != '.' && c != '-')
{
return(false);
}
break;
}
}
if (type == NumTextType.Float || type == NumTextType.Negative)
{
if (!double.TryParse(allstr, out double result))
{
return(false);
}
}
return(true);
}
public static void SetNumText(DependencyObject obj, NumTextType value)
{
obj.SetValue(NumTextProperty, value);
}