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Determine clicked column in ListView


By : Nirav Kamani
Date : October 16 2020, 11:12 PM
around this issue Jeez, everyone's too lazy to post code. There are three steps to the process:
Get the mouse position using Control.MousePosition and convert to client coordinates. Call the HitTest function to find what the mouse is pointing to. This returns an object with lots of information except the actual column number so... Search the subitems array using IndexOf to find the column number.
code :


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Determine which Button was clicked to Populate Android Listview


By : user3466959
Date : March 29 2020, 07:55 AM
will be helpful for those in need You can pass in data to your Activity B using putExtra. Please see this question for a good example. In your Activity B you can get this data, and populate your list according to what was passed in.
For activity A:
code :
Intent i = new Intent(ActivityA.this, ActivityB.class);
i.putExtra("arrayToUse", 1);
startActivity(i);
Bundle extras = icicle.getExtras();
int whichArrayToUse = extras.getInt("arrayToUse");

How to get column index of clicked column of listview that hasn't listview item?


By : WBru
Date : March 29 2020, 07:55 AM
I wish this help you An empty list is going to return a null subitem.
However, while the example below is not very elegant, you can see how to use the Y position to determine which column the Y is associated with:
code :
private int getcolumn()
{
    Point mousePosition = base.PointToClient(Control.MousePosition);
    switch(mousePosition.Y)
    {
        case mousePosition.Y >= 0 && mousePosition.Y <= base.Columns(0).Width:
            Return base.Columns(0).index
            break;
        case mousePosition.Y >= base.Columns(0).Width && mousePosition.Y <= base.Columns(1).Width:
            Return base.Columns(1).index
            break;
        case mousePosition.Y >= base.Columns(0).Width + base.Columns(1).Width && mousePosition.Y <= base.Columns(2).Width:
            Return base.Columns(2).index
            break;
        default:
            Return -1
    }

}

Android: Determine which View clicked within ListView row


By : user2043646
Date : March 29 2020, 07:55 AM
this one helps. I assume all rows are being inflated with the same layout and you are using the holder pattern (http://developer.android.com/training/improving-layouts/smooth-scrolling.html).
This way, you can have a single OnClickListener to "listen" for any of your ImageView (or whatever they are). You only need to set the listener in the momento you actually inflate the view (not when you reuse it), and then set for all ImageView in the same row the row position as the Tag, so, then in the onClick method, you can chech to which row they belong to (by the tag) and which ImageView is it (by the id)
code :
class MyAdapter extends BaseAdapter implements OnClickListener

[...]

@Override
public View getView (int position, View convertView, ViewGroup parent)
{
    MyHolder holder = null;

    if(convertView != null)
    {
        holder = new MyHolder();

        convertView = inflater.inflate(...)
        holder.imageView1 = (ImageView)convertView.findViewById(R.id.[...] )
        holder.imageView1.setOnClickListener(this);
        holder.imageView2 = (ImageView)convertView.findViewById(R.id.[...] )
        holder.imageView2.setOnClickListener(this);
        [...]

        convertView.setTag(holder);
    }
    else
    {
        holder = (HyHolder)convertView.getTag();
        [...]
    }

    holder.imageView1.setTag(position);
    holder.imageView2.setTag(position);

    [...]

    return convertView;
 }


 @Override
 public void onClick(View v)
 {
     int id = v.getId();
     Integer position = (Integer)v.getTag();

     [...]
 }

Determine column of header clicked in a ListView?


By : mohamed
Date : March 29 2020, 07:55 AM
Hope that helps The ColumnClick event will only fire if the ListView.View is set to Details. I am assuming this is what you mean by “header clicked” since there are no headers in any view except “Details”. If this is the case, then the ColumnClick event for the ListView should give you the value of the column header clicked.
code :
private void listView1_ColumnClick(object sender, ColumnClickEventArgs e) {
  MessageBox.Show("Column " + e.Column.ToString() + " Clicked");
}

Determine if an item or nothing was clicked in a ListView


By : TalHwa
Date : March 29 2020, 07:55 AM
To fix this issue A couple of ideas come to mind. You will need to decide which is best for your situation. The first idea is to respond to the ItemClick event. This event is only fired if you click on an item.
code :
Private Sub lsvArticle_ItemClick(ByVal Item As MSComctlLib.ListItem)
   txtValueNew.Text = Item.Text
End Sub
Private Sub lsvArticle_MouseUp(Button As Integer, Shift As Integer, x As Single, y As Single)
   If Not lsvArticle.HitTest(x, y) Is Nothing Then
      txtValueNew.Text = lsvArticle.SelectedItem.Text
   End If
End Sub
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