C# ListView.SuspendLayout方法代码示例

        public static void Popola(ref ListView aListView, IList aListOfData)
        {
            aListView.SuspendLayout();
            aListView.BeginUpdate();
            aListView.Items.Clear();

            if (ListUtils.isNotEmpty(aListOfData))
            {
                foreach (object item in aListOfData)
                {
                    if (item is IListViewItemable)
                    {
                        aListView.Items.Add(((IListViewItemable)item).toListViewItem());
                    }
                    else if (item is DateTime)
                    {
                        ListViewItem dateItem = new ListViewItem(item.ToString());
                        dateItem.Tag = item;

                        aListView.Items.Add(dateItem);
                    }
                    else
                    {
                        aListView.Items.Add(((IListViewItemable)item).ToString());
                    }
                }
            }

            aListView.EndUpdate();
            aListView.ResumeLayout();
        }

        private void FillList(ListView list, DataTable table)
        {
            list.SuspendLayout();

            // Clear list
            list.Items.Clear();
            list.Columns.Clear();

            int colcounter = 1;
            // Columns
            foreach (DataColumn col in table.Columns)
            {
                ColumnHeader ch = new ColumnHeader();
                ch.Text = col.Caption;
                if (IsNumeric(col.DataType))
                    ch.TextAlign = HorizontalAlignment.Right;

                // if 2nd column set width to 150
                if (colcounter == 2)
                {
                    ch.Width = 200;
                }
                else if (colcounter == 1)
                {
                    ch.Width = 80;
                }
                else if (colcounter == 3)
                {
                    ch.Width = 150;
                }
                else
                {
                    ch.Width = 70;
                }
                list.Columns.Add(ch);
                colcounter++;
            }

            // Rows
            foreach (DataRow row in table.Rows)
            {
                ListViewItem item = new ListViewItem();
                item.Text = row[0].ToString();

                for (int i = 1; i < table.Columns.Count; i++)
                {
                    item.SubItems.Add(row[i].ToString());
                }
                list.Items.Add(item);
            }

            list.ResumeLayout();
        }

        private void FillList(ListView lista, DataTable table, int[] ColSize)
        {
            lista.SuspendLayout();

            // Clear list
            lista.Items.Clear();
            lista.Columns.Clear();

            int colcounter = 0;
            // Columns
            foreach (DataColumn col in table.Columns)
            {
                ColumnHeader ch = new ColumnHeader();
                ch.Text = col.Caption;
                if (IsNumeric(col.DataType))
                    ch.TextAlign = HorizontalAlignment.Right;

                if (ColSize != null)
                {
                    if (colcounter < ColSize.Length)
                    {
                        ch.Width = ColSize[colcounter];
                    }
                    else
                    {
                        ch.Width = 80;
                    }
                }
                else
                {
                    ch.Width = 80;
                }

                lista.Columns.Add(ch);
                colcounter++;
            }

            // IMPORTE TOTAL COLUMN
            ColumnHeader ch2 = new ColumnHeader();
            ch2.Text = "IMPORTE";
            ch2.Width = 80;
            lista.Columns.Add(ch2);

            // Rows
            double importetotal = 0;
            foreach (DataRow row in table.Rows)
            {
                ListViewItem item = new ListViewItem();
                item.Text = row[0].ToString();
                item.SubItems.Add(row[1].ToString());
                item.SubItems.Add(row[2].ToString());
                item.SubItems.Add(row[3].ToString());
                item.SubItems.Add(row[4].ToString());
                importetotal += Double.Parse(row[4].ToString());
                item.SubItems.Add(importetotal.ToString());

                lista.Items.Add(item);

            }

            //  list.ResumeLayout();
        }

        /// <summary>
        /// Resizes the column headers (maximize the space per column)
        /// WARNING: If this is triggered within a Resize event the listview should have
        /// a minimum size set to avoid the vertical scroll bar on the column headers themselves.
        /// If not properly set the result may be an infinite loop of resize calls.
        /// This has no affect on vertical scroll bars for the items within the listview
        /// </summary>
        /// <param name="lvInput">The listview to update the column widths of</param>
        public static void ResizeColumnHeaders(ListView lvInput)
        {
            if (0 == lvInput.Columns.Count) return; // bad!
            if (0 == lvInput.ClientSize.Width) return; // no width? (minimized?)

            lvInput.Visible = false;
            lvInput.SuspendLayout();

            var arrayPercents = new float[lvInput.Columns.Count];
            int nColumnsWidth = 0;
            for (int nIdx = 0; nIdx < lvInput.Columns.Count; nIdx++)
            {
                nColumnsWidth += lvInput.Columns[nIdx].Width;
            }
            for (int nIdx = 0; nIdx < lvInput.Columns.Count; nIdx++)
            {
                arrayPercents[nIdx] = (float)lvInput.Columns[nIdx].Width / (float)nColumnsWidth;
            }
            for (int nIdx = 0; nIdx < lvInput.Columns.Count; nIdx++)
            {
                lvInput.Columns[nIdx].Width = (int)(arrayPercents[nIdx] * (float)lvInput.ClientSize.Width);
            }
            lvInput.ResumeLayout();
            lvInput.Visible = true;
        }

		private void UpdateView(ListView list, ExpertRegistry registry)
		{
			LoggingService.EnterMethod();
            list.SuspendLayout();
			list.Items.Clear();
			foreach (ExpertInfo expert in registry.Experts)
			{				
				AppendTo(list, expert);
			}
            list.ResumeLayout();
			LoggingService.LeaveMethod();
		}

 internal static void ClearListView(ListView lst, bool removeRows)
 {
     try
       {
     lst.SuspendLayout();
     if (removeRows)
     {
       lst.Items.Clear();
     }
     else
     {
       for (var i = 0; i < lst.Items.Count; i++)
       {
     var subs = lst.Items[i].SubItems;
     for (var j = 0; j < subs.Count; j++)
     {
       subs[j].Text = string.Empty;
     }
       }
     }
       }
       catch (Exception e)
       {
     LogHelper.Dump(e);
       }
       finally
       {
     lst.ResumeLayout();
       }
 }

 private void RemoveSelectedItemsFor(ListView actualListControl, StoredItemsList storedItemsList) {
     ArrayList itemsToRemove = new ArrayList(actualListControl.SelectedItems);
     actualListControl.SuspendLayout();
     foreach (ListViewItem item in itemsToRemove) {
         storedItemsList.Items.Remove(item.Tag);
         actualListControl.Items.Remove(item);
     }
     actualListControl.ResumeLayout();
 }

        // Fill the list control with a list of all multimedia files associated with the record
        private static void FillPicturesList( ListView listView, ArrayList alMultimediaFileRefs )
        {
            listView.SuspendLayout();

            LogFile.TheLogFile.WriteLine( LogFile.DT_APP, LogFile.EDebugLevel.Note, "FillPicturesList() : " + alMultimediaFileRefs.Count.ToString() );

            CMultimediaFileReference mfrSelected = null;
            CListableMFR lmfr = GetSelectedItem( listView );
            if( lmfr != null )
            {
                mfrSelected = lmfr.MultimediaFileReference;
            }

            alMultimediaFileRefs.Sort( new CMultimediaFileReference.OrderComparer() );

            string sMmFilename;

            Cursor.Current = Cursors.WaitCursor;
            Cursor.Show();

            listView.Items.Clear();

            ListViewItem[] temporaryItemsList = new ListViewItem[ alMultimediaFileRefs.Count ];

            int nItem = 0;
            foreach( CMultimediaFileReference mfr in alMultimediaFileRefs )
            {
                if( mfr.m_bEmbedded )
                {
                    sMmFilename = "embedded media";
                }
                else
                {
                    sMmFilename = mfr.m_sMultimediaFileReference;
                }

                CListableMFR item = new CListableMFR( mfr );
                if( mfrSelected == mfr )
                {
                    item.Selected = true;
                }

                if( mfr.m_bVisible )
                {
                    item.Checked = true;
                }
                else
                {
                    item.Checked = false;
                }

                if( sMmFilename != null && sMmFilename.Length > 0)
                {
                    item.SubItems.Add( sMmFilename );
                }

                temporaryItemsList[ nItem++ ] = item;
            }

            listView.Items.AddRange( temporaryItemsList );

            listView.ResumeLayout();

            Cursor.Current = Cursors.Default;
            Cursor.Hide();
        }

		private void AutoResizeList(ListView list, int mainCol)
		{
			list.SuspendLayout();
			int widthAvailable = list.Width - SystemInformation.BorderSize.Width - SystemInformation.VerticalScrollBarWidth;
			for (int i = 0; i < list.Columns.Count; i++)
				if (i != mainCol)
				{
					list.Columns[i].AutoResize(ColumnHeaderAutoResizeStyle.ColumnContent);
					widthAvailable -= list.Columns[i].Width + SystemInformation.BorderSize.Width;
				}
			if (list.Columns[mainCol].Width != widthAvailable)
				list.Columns[mainCol].Width = widthAvailable;
			list.ResumeLayout(false);
		}