Comments by le.Festin (Top 8 by date)

I added multithreading in my application but the GUI still hangs.

My DesignListView (Class):
private List<string> fileList;
public List<string> FileList
{
get
{
return this.fileList;
}
set
{
this.fileList = value;
PopulateThumbnails();
}
}

public void PopulateThumbnails()
{
if (fileList == null)
return;

for (int i = 0; i < fileList.Count; ++i)
{
Thread t = new Thread(new ThreadStart(AddControl));
t.IsBackground = true;
t.Start();
}
}

private int cnt = 0;

public delegate void AControl();
public void AddControl()
{
if (this.InvokeRequired)
{
InvokeCount++;
this.BeginInvoke(new AControl(AddControl));
return;
}
lock (this)
{
if (cnt >= fileList.Count)
return;

ThumbnailDisplayControl tdc = new ThumbnailDisplayControl(fileList[cnt]);

tdc.MouseDown += new MouseEventHandler(tdc_MouseDown);
this.Controls.Add(tdc);
cnt++;
}
}

I know the code style is not good but i just wanted to know if that would stop GUI hang but it didnot.

Is my class is taking time to update itself. I am not able to point out where i went wrong.

Please help.

but i guess i will be sticking with my own class for the moment. By the way, ty for your idea. I will surely be using ListView on my next code

Dear BobJanova,

According to my calculation the average time taken for a single picture from my ThumbnailDisplayControl class takes about .7 sec.So, for many pictures it will take a lot of time which will hang the UI, so i should use threading.

And ty for the ListView Idea. I really have no idea why i didnot this of this one.