How about this: public boolean checker(Object obj) { return obj instanceof SomeClass; } or if SomeClass needs to be a parameter: public boolean checker(Object obj, Class someClass) { return someClass.isInstance(obj); } or if you want the instance to be someClass and NOT an instance of a subclass of someClass: public boolean checker(Object obj, Class someClass) … Read more
Use the binding below for your button’s command: {Binding DataContext.CommandName, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type MyUserControl}}} This will tell it to find your UserControl and use its DataContext.
If you have control over all of the object types that you will be using dynamically, another option would be to force them to inherit from a subclass of the DynamicObject class that is tailored to not fail when a method that does not exist is invoked: A quick and dirty version would look like … Read more
It isn’t possible to dynamically define a struct that is identical to a compile-time struct. It is possible, but difficult, to create dynamic structures that can contain the information equivalent to a struct. The access to the data is less convenient than what is available at compile-time. All else apart, you cannot access a member … Read more
Are you worried about the possibility the dynamic object will have a custom equality operator that will change the way the null is interpreted? If so just use Object.ReferenceEquals if (Object.ReferenceEquals(null, param)) { ……. }
Since routes are defined on a provider level, normally new routes can only be defined in the configuration block. The trouble is that in the configuration block all the vital services are still undefined (most notably $http). So, on the surface it looks like w can’t define routes dynamically. Now, it turns out that in … Read more
If you use the new UIFont methods then you’re pretty much there – you just need to add the observer to listen for changes. Rather than setting a specific font size, you should use the preferredFontForTextStyle: and related methods when styling your labels (if you’re using Interface Builder you can select a style directly in … Read more
make use of jquery function .prepend() : Insert content, specified by the parameter, to the beginning of each element in the set of matched elements $(‘Selector ‘).prepend($(‘<div> new div </div>’));