delegates Questions
6
Solved
I have a class and extension Swift file. After adding a delegate that I declared in another file to the class, Xcode shows this error
Declaration is only valid at file scope
at the extension line...
8
Solved
By convention classes are often named like nouns, methods like verbs and interfaces like adjectives.
What is the common naming convention for a delegate? Or what's a good way to differentia...
Subtonic asked 27/2, 2010 at 3:0
5
Suppose there are two class one in swift and other is in objective-c class in same project.
In swift class i declared delegate and i want to set that delegate in objective c class.
I have done th...
Purism asked 6/10, 2017 at 6:42
11
Solved
What are the differences between delegates and an events? Don't both hold references to functions that can be executed?
12
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I have my ViewController class which implements UITextFieldDelegate. I have no auto complete for the funcs such as textFieldShouldBeginEditing. Is this a bug in XCode 6? Here's my class implementat...
5
Solved
I am trying to create Delegate for reading/writing properties of unknown type of class at runtime.
I have a generic class Main<T> and a method which looks like this:
Delegate.CreateDelegate...
Intoxicant asked 22/3, 2010 at 8:42
3
Solved
When using UIAlertController like this:
var alert = UIAlertController(title: "Core Location",
message: "Location Services Disabled!",
preferredStyle: UIAlertControllerStyle.Alert)
alert.addAct...
4
Solved
I am implementing an interface which requires implementations of BeginDoSomething and EndDoSomething methods. However my DoSomething isn't really long-running.
For simplicity assume DoSomething on...
Rhizo asked 18/2, 2011 at 3:50
2
Solved
I am attempting to use this.Invoke() from a separate thread to access controls on my form. I am Invoking a delegate pointing to a method with a string[] as an argument.
A few lines regarding my de...
4
Solved
delegate void DelegateTest();
DelegateTest delTest;
Whats the difference between calling delTest.Invoke() and delTest()? Both would execute the delegate on the current thread, right?
6
Solved
I am learning pointers in C# and was curious if one can use C++ style function pointers in C#. Yes, I know C# has its own equivalent concept for Function Pointers(called as delegates). But I just w...
Matthus asked 11/4, 2016 at 20:51
12
Solved
In a normal loop you can break out of a loop using break. Can the same be done using an anonymous delegate?
Example
inputString and result are both declared outside the delegate.
blackList.ForEac...
5
Solved
I have a base class that has a bool property which looks like this:
public abstract class MyBaseClass
{
public bool InProgress { get; protected set; }
}
I am inheriting it another class from it...
4
Solved
Just right now I'm using following code to add queued threads. I don't like it. And my colleagues won't either because they don't know C# very well. All I want is of course to queue a method to be ...
Bowerbird asked 2/7, 2013 at 7:33
2
Solved
I am having some problems implementing QuickLook functionality from a table in an NSView. The limited documentation on QuickLook really doesn't help at all.
After reading through the Apple Docs (w...
Chrisoula asked 1/10, 2010 at 5:36
4
Solved
Hi there I am trying to change the text that is showing in the delete button when a user swipes a uitableviewcell inside my tableview.
I have seen an example in another question thread that says t...
Introductory asked 12/9, 2011 at 22:56
6
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I appreciate that similar questions have been asked before, but I am struggling to invoke the Linq Where method in the following code. I am looking to use reflection to dynamically call this method...
Input asked 20/9, 2009 at 23:4
3
Solved
I want to call these methods:
- (void)tableView:(UITableView *)tableView willDisplayHeaderView:(UIView *)view forSection:(NSInteger)section NS_AVAILABLE_IOS(6_0);
- (void)tableView:(UITableView *)...
Moreland asked 15/11, 2012 at 7:11
10
Solved
For my Java game server I send the Action ID of the packet which basically tells the server what the packet is for. I want to map each Action ID (an integer) to a function. Is there a way of doing ...
Dehydrogenase asked 28/12, 2008 at 4:22
1
Solved
I am trying to get a Delegate from a MethodInfo object that has Output Parameters. My code follows:
static void Main(string[] args) {
MethodInfo m = typeof(Program).GetMethod("MyMethod2"...
Enure asked 22/6, 2020 at 13:20
7
Solved
What is the difference between a protocol and a delegate?
and,
How can we declare variables in a protocol class?
Ongoing asked 25/3, 2011 at 10:48
2
Solved
public MainWindow()
{
CommandManager.AddExecutedHandler(this, ExecuteHandler);
}
void ExecuteHandler(object sender, ExecutedRoutedEventArgs e)
{
}
Error 1 Argument 2: cannot convert from ...
14
Solved
Does the Java language have delegate features, similar to how C# has support for delegates?
5
I was trying to pass around variables between views in Swift, and ran into the rather abstract concept of protocols and delegates.
Then I tried storing a reference to the first view in a second v...
2
I have a basic question. I'm working on a project with many delegate patterns, and would like reference on the best way about initializing them..
Here's some ideas with a test delegate I made:
O...
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