Hi Ludek and other CR experts, I find a bug in your u201CCrystal Reports for Visual Studio 2010u201D. When I use CrystalReportsViewer in our WPF application a get this exception: Value cannot be null. Parameter name: window System.ArgumentNullException was unhandled Message=Value cannot be ...
When i adding Elementhost into Winform, an error occurs, showing "Value cannot be null. Parameter name: context" This problem has puzzled me for a long time, any help is highly appreciated.
This is either because they return a static or consistent value, or because context for what value should be returned is available through one of the services passed through the serviceProvider parameter. The *Extension naming pattern is for convenience and consistency. It is not necessary in ...
Binding value to Converter Parameter Binding WPF Datagrid's row color to a variable property of an item inside an observable collection Binding-Array-XAML Bitmap<->BitmapImage conversion BitmapImage from Embedded Resource BitmapImage Memory Leak BitMapImage's Height and Width differs from PixelHeigh...
Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture) { Color color = (Color)value; return new SolidColorBrush(color); } public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture) { return null; } }...
(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture) { string path = Assembly.GetExecutingAssembly().CodeBase.Substring ("file:///".Length); path = Path.GetDirectoryName(path) + "\\Images\\"; return string.Format("{0}{1}", p...
(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture) { string path = Assembly.GetExecutingAssembly().CodeBase.Substring ("file:///".Length); path = Path.GetDirectoryName(path) + "\\Images\\"; return string.Format("{0}{1}", path, (string)value); } ...
IValueConverter.ConvertIfvalueIsNotNothingThenDimResultDateAsDateTime =CType(value, DateTime)ReturnResultDateElse'If the value is null, returns an empty stringReturnString.EmptyEndIfEndFunctionPublicFunctionConvertBack(ByValvalueAsObject, _ByValtargetTypeAsSystem.Type, _ByValparameterAsObject, _ByValculture...
</returns> public bool CanExecute(object parameter) { if (CanExecuteDelegate != null) return CanExecuteDelegate(parameter); return true;// if there is no can execute default to true } public event EventHandler CanExecuteChanged { add { CommandManager.RequerySuggested += value; } remove { ...
class ActiveButtonStyleConverter : IValueConverter { #region IValueConverter Members public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture) { Uri resourceLocater = new Uri("/ActiveButtonDemo;component/Styles.xaml", System.UriKind.Relative); ResourceD...