help

[nidheeshkayal]

hi my problem is there is one list box in my program and a dialog. when i am selecting one class name from the dialog then all methods inside the class should display in to the list box. how can i do this without reflection nidh

[J4amieC]

You posted the exact same question 15 minutes ago, with an equally bad subject title. Please read How to get answers to your questions[^].

[Colin Angus Mackay]

nidheeshkayal wrote:

how can i do this without reflection

Why do you want to do it without reflection? (I can't think of any solution that doesn't use reflection - So I would help otherwise) ColinMackay.net Scottish Developers are looking for speakers for user group sessions over the next few months. Do you want to know more?

[chakkara2003]

can u write some code chakkara

[Colin Angus Mackay]

chakkara2003 wrote:

can u write some code

Of course I can. An example of pulling out a list of methods from a specific type:

using System.Reflection;

System.Type myType = typeof(MyClass);
MethodInfo[] theMethods = myType.GetMethods();
foreach(MethodInfo method in theMethods)
{
Console.WriteLine("{0}", method.Name);
}

Links to MSDN: * System.Type class[^] * Type.GetMethods()[^] * System.Reflection.MethodInfo class[^] Does this help? ColinMackay.net Scottish Developers are looking for speakers for user group sessions over the next few months. Do you want to know more?

[chakkara2003]

sir, here am attaching a piece of code, and it shows an error, plz correct it private void Browse_Click(object sender, EventArgs e) { openFileDialog1.FileName = ""; openFileDialog1.CheckFileExists = true; openFileDialog1.CheckPathExists = true; if (openFileDialog1.ShowDialog() == DialogResult.OK) { LoadMethods(openFileDialog1.FileName); } } public void LoadMethods(string Path) { int len = Path.Split('\\').Length; string Name = Path.Split('\\')[len - 1].ToString(); string ClsName = Name.Split('.')[0].ToString(); //here ClsName is the class name, i need to get objects under that class // System.Type myType = typeof(MyClass); System.Type myType = typeof(ClsName); MethodInfo[] theMethods = myType.GetMethods(); foreach (MethodInfo method in theMethods) { //Console.WriteLine("{0}", method.Name); LstMethods.Items.Add(method.Name); } } chakkara

[J4amieC]

When you browse, I assume you are browsing for a .NET assembly (dll or exe). In which case your variable ClsName is in fact the assembly name, not the name of one particular class (BTW, Look at System.IO.Path for extracting just the file name, it saves alot of boilerplate code) In this case, what you need to use is Assembly.LoadFrom[^] to load the .dll/.exe as an object of type Assembly[^]. From there you can use Assembly.GetType[^] to get an instance of a particular type, then the code to itterate the methods is exactly as Colin suggested. Here, I rewrote your LoadMethods method to demonstrate. You will need to add using System.Reflection if its not in your code already

private void LoadMethods (string fileName)
{

	Assembly asm = Assembly.LoadFrom(fileName);

	System.Text.StringBuilder sb = new System.Text.StringBuilder();
	foreach(Type t in asm.GetTypes())
	{
		sb.AppendFormat("Type:{0} Methods:",t.Name);

		foreach(MethodInfo mi in t.GetMethods())
		{
			sb.AppendFormat("{0} ",mi.Name);
		}
		sb.Append("\r\n");
	}
	MessageBox.Show(sb.ToString());
}

-- modified at 8:05 Thursday 2nd March, 2006

[nidheeshkayal]

here we get the class class name and objects from the assembly. my new requirement is i need to get the methods directly from class that is -- i have class named Form1, by using a dialog contols i can get the class. assign that dialog.Filename in to a string now i got the class name- from this class i need to fetch objects once again thanx for u r help nidheesh

[J4amieC]

Your post is not particularly clear, but check out Type.GetType[^], which allows you to retrieve a Type instance from a string representaion.