'宣言 Public Shared ReadOnly WatermarkDisplayNullForegroundProperty As System.Windows.DependencyProperty
public static readonly System.Windows.DependencyProperty WatermarkDisplayNullForegroundProperty
'宣言 Public Shared ReadOnly WatermarkDisplayNullForegroundProperty As System.Windows.DependencyProperty
public static readonly System.Windows.DependencyProperty WatermarkDisplayNullForegroundProperty