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Example names are now more readable (ExampleLauncher.Load())

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ExampleLauncher behavior is now more consistent when launching GameWindow and WinForm examples. The launcher becomes invisible, and the launched examples exist in the same thread as the launcher.
Better documentation for IExample.cs
This commit is contained in:
the_fiddler 2007-09-02 00:02:10 +00:00
parent 4c2bb7f9b4
commit 6af814b655
2 changed files with 92 additions and 72 deletions
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228
Source/Examples/ExampleLauncher.cs
View file

@ -29,6 +29,130 @@ namespace Examples
{
public partial class ExampleLauncher : Form
{
SortedList<string, string> examples = new SortedList<string, string>();
public ExampleLauncher()
{
InitializeComponent();
}
public void ExampleLauncher_Load(object sender, EventArgs e)
{
// Get all examples
Type[] types = Assembly.GetExecutingAssembly().GetTypes();
foreach (Type type in types)
{
if (type.GetInterface("IExample") != null)
{
examples.Add(
type.Namespace.Replace("Examples.", String.Empty) + " " +
type.Name.Substring(1, 2) + ": " +
type.Name.Substring(3).Replace('_', ' '),
type.Namespace + "." + type.Name);
}
}
foreach (string s in examples.Keys)
listBox1.Items.Add(s);
// Select first item
if (listBox1.Items.Count > 0)
{
this.listBox1.SelectedIndex = 0;
}
}
delegate void LaunchDelegate(object example);
void Launch(object example)
{
Type ex = example as Type;
try
{
(ex.GetConstructor(Type.EmptyTypes).Invoke(null) as IExample).Launch();
}
catch (Exception expt)
{
MessageBox.Show(String.Format("Stacktrace:{0}{1}{0}{0}Inner exception:{0}{2}",
System.Environment.NewLine, expt.StackTrace, expt.InnerException), expt.Message);
}
}
private void RunExample()
{
if (listBox1.SelectedItem != null)
{
Type example = Assembly.GetExecutingAssembly().GetType(
examples[listBox1.SelectedItem.ToString()], true, true);
Debug.Print("Launching example: {0}", example.ToString());
this.Visible = false;
if (example.BaseType == typeof(GameWindow))
{
// Start the GameWindow in a new thread - it runs its own message loop, and it would
// interfere with the message loop of the ExampleLauncher.
//Thread t = new Thread(Launch);
//t.Start(example);
//t = null;
Launch(example);
//IAsyncResult res = BeginInvoke(new LaunchDelegate(Launch), example);
//EndInvoke(res);
}
else if (example.BaseType == typeof(Form))
{
try
{
// In this we do not want a different thread: these examples rely on the Application.Idle
// event, which would then be raised by both the ExampleLauncher thread *and* the new one!
Form f = (Form)example.GetConstructor(Type.EmptyTypes).Invoke(null);
f.ShowDialog(this);
f.Dispose();
f = null;
}
catch (Exception expt)
{
MessageBox.Show(
String.Format(
"Stacktrace:{0}{1}{0}{0}Inner exception:{0}{2}",
System.Environment.NewLine,
expt.StackTrace,
expt.InnerException
),
expt.Message);
throw;
}
}
GC.Collect();
GC.WaitForPendingFinalizers();
GC.Collect();
this.Visible = true;
}
}
private void listBox1_DoubleClick(object sender, EventArgs e)
{
RunExample();
}
private void listBox1_KeyUp(object sender, KeyEventArgs e)
{
switch (e.KeyCode)
{
case Keys.Enter:
RunExample();
break;
}
}
private void runButton_Click(object sender, EventArgs e)
{
RunExample();
}
/// <summary>
/// The main entry point for the application.
/// </summary>
@ -66,109 +190,5 @@ namespace Examples
Trace.Close();
}
}
public ExampleLauncher()
{
InitializeComponent();
}
void Launch(object example)
{
Type ex = example as Type;
try
{
(ex.GetConstructor(Type.EmptyTypes).Invoke(null) as IExample).Launch();
}
catch (Exception expt)
{
MessageBox.Show(String.Format("Stacktrace:{0}{1}{0}{0}Inner exception:{0}{2}",
System.Environment.NewLine, expt.StackTrace, expt.InnerException), expt.Message);
}
}
public void ExampleLauncher_Load(object sender, EventArgs e)
{
SortedList<string, string> sl = new SortedList<string, string>();
// Get all examples
Type[] types = Assembly.GetExecutingAssembly().GetTypes();
foreach (Type type in types)
{
if (type.GetInterface("IExample") != null)
{
sl.Add((type.Namespace.Replace("Examples.", String.Empty) + ": " + type.Name).Replace('_', ' '), null);
}
}
foreach (string s in sl.Keys)
listBox1.Items.Add(s);
// Select first item
if (listBox1.Items.Count > 0)
{
this.listBox1.SelectedIndex = 0;
}
}
private void RunExample()
{
if (listBox1.SelectedItem != null)
{
Type example =
Assembly.GetExecutingAssembly().GetType(
"Examples." + listBox1.SelectedItem.ToString().Replace(": ", ".").Replace(' ', '_'),
true,
true);
Debug.Print("Launching example: {0}", example.ToString());
if (example.BaseType == typeof(GameWindow))
{
// Start the GameWindow in a new thread - it runs its own message loop, and it would
// interfere with the message loop of the ExampleLauncher.
new Thread(Launch).Start(example);
}
else if (example.BaseType == typeof(Form))
{
try
{
// In this we do not want a different thread: these examples rely on the Application.Idle
// event, which would then be raised by both the ExampleLauncher thread *and* the new one!
this.AddOwnedForm((Form)example.GetConstructor(Type.EmptyTypes).Invoke(null));
}
catch (Exception expt)
{
MessageBox.Show(
String.Format(
"Stacktrace:{0}{1}{0}{0}Inner exception:{0}{2}",
System.Environment.NewLine,
expt.StackTrace,
expt.InnerException
),
expt.Message);
}
}
}
}
private void listBox1_DoubleClick(object sender, EventArgs e)
{
RunExample();
}
private void listBox1_KeyUp(object sender, KeyEventArgs e)
{
switch (e.KeyCode)
{
case Keys.Enter:
RunExample();
break;
}
}
private void runButton_Click(object sender, EventArgs e)
{
RunExample();
}
}
}

4
Source/Examples/IExample.cs
View file

@ -11,8 +11,8 @@ using System.Text;
namespace Examples
{
/// <summary>
/// Examples should implement this (empty) interface, so that the ExampleLauncher
/// can identify them.
/// This interface is is used by the ExampleLauncher to identify OpenTK examples,
/// your applications do not need to implement or use it.
/// </summary>
interface IExample
{