BusinessProcessInvoke(CommandWithArgs) Method
Invokes a
command that will be handled by an
Handler.
Namespace: Firefly.BoxAssembly: Firefly.Box (in Firefly.Box.dll) Version: debug-master-v:33791
public void Invoke(
CommandWithArgs command
)
Public Sub Invoke (
command As CommandWithArgs
)
member Invoke :
command : CommandWithArgs -> unit
Parameters
- command CommandWithArgs
- The CommandWithArgs to be invoked
When the
Handler method is called, the framework will iterate the
Handlers property collection until it will find an
Handler that matches the
command.
If no matching
Handler was found, or if the
Handled property was set to true, the framework will iterate the calling task's
Handlers property collection and so on.
The deference between Raise and Invoke, is that Raise will queue the
command, and process it the next time the framework is idle, while Invoke will process it immediately
When invoking a {0} (for example {1}) or a Key Combination, only the relevant Handlers will execute, but the command it self will not. In order to run the command itself use .
deference between invoke and raise
using System;
using System.Collections.Generic;
using System.Text;
using Firefly.Box;
using Firefly.Box.Testing;
namespace TestFirefly.Box.Documentation
{
public class DifferenceBetweenRaiseAndInvoke
{
public void DemoRaiseAndInvoke()
{
var uic = new UIController
{
View = new Firefly.Box.UI.Form()
};
var myCommand = new CustomCommand();
var h = uic.Handlers.Add(myCommand);
h.Invokes += e =>
{
e.Handled = false;
System.Windows.Forms.MessageBox.Show("First Handler");
};
var h2 = uic.Handlers.Add(myCommand);
h2.Invokes += e =>
{
e.Handled = false;
System.Windows.Forms.MessageBox.Show("Second Handler");
};
var invokeButton = new Firefly.Box.UI.Button
{
Text = "Invoke"
};
invokeButton.Click += (a, b) =>
{
System.Windows.Forms.MessageBox.Show("Before Invoke");
uic.Invoke(myCommand);
System.Windows.Forms.MessageBox.Show("After Invoke");
};
uic.View.Controls.Add(invokeButton);
var raiseButton = new Firefly.Box.UI.Button
{
Text = "Raise",
Top = invokeButton.Bottom + 5
};
raiseButton.Click += (a, b) =>
{
System.Windows.Forms.MessageBox.Show("Before Raise");
uic.Raise(myCommand);
System.Windows.Forms.MessageBox.Show("After Raise");
};
uic.View.Controls.Add(raiseButton);
uic.Run();
}
}
}