internal static ICommandBinding AddPropertyChangedHandler(this CommandBindingsCollection collection, Action handler, INotifyPropertyChanged source, params string[] propertyNames)
{
if (handler == null)
{
throw new ArgumentNullException(nameof(handler));
}
if (propertyNames == null)
{
throw new ArgumentNullException(nameof(propertyNames));
}
var state = new Dictionary <string, object>
{
[stateHandler] = handler,
[statePropertyNames] = propertyNames
};
return(collection.Add(propertyChangedCommand, state)
.AddSource(source, nameof(source.PropertyChanged)));
}
protected MvvmBaseForm(TViewModel viewModel)
{
// occurs in design mode but DesignMode is false for grandchild forms
if (viewModel == null)
{
return;
}
ViewModel = viewModel;
ViewModelBase vm = VM;
vm.ShowInfoCallback = Dialogs.InfoMessage;
vm.ShowWarningCallback = Dialogs.WarningMessage;
vm.ShowErrorCallback = Dialogs.ErrorMessage;
vm.ConfirmCallback = Dialogs.ConfirmMessage;
vm.ShowChildViewCallback = ShowChildView;
vm.CloseViewCallback = () => BeginInvoke(new Action(Close));
vm.SynchronizedInvokeCallback = InvokeIfRequired;
CommandBindings = new WinformsCommandBindingsCollection();
}
internal static void AddTwoWayPropertyBinding(this CommandBindingsCollection collection, object source, string sourcePropertyName, object target,
string targetPropertyName = null, Func <object, object> format = null, Func <object, object> parse = null)
{
collection.AddPropertyBinding(source, sourcePropertyName, targetPropertyName ?? sourcePropertyName, format, target);
collection.AddPropertyBinding(target, targetPropertyName ?? sourcePropertyName, sourcePropertyName, parse, source);
}
