protected virtual void OnColumnWidthChanging(object sender, ColumnWidthChangingEventArgs e)
        {
            if ( e.ColumnIndex != ColumnIndex ) return;

            e.Cancel = true;
            e.NewWidth = ListView.Columns[e.ColumnIndex].Width;
        }

 private void lv_cancelResize(object sender, ColumnWidthChangingEventArgs e)
 {
     if (e.ColumnIndex == 1)
       {
     e.Cancel = true;
     e.NewWidth = 0;
       }
 }

 private void listView_ColumnWidthChanging(object sender, ColumnWidthChangingEventArgs e)
 {
     if (TotalColWidth > ClientSize.Width)
     {
         e.Cancel = true;
         e.NewWidth = ClientSize.Width - (TotalColWidth - Columns[e.ColumnIndex].Width);
     }
     treeView.Refresh();            
 }

		void OnColumnWidthChanging(object sender, ColumnWidthChangingEventArgs e)
		{
			// Don't allow the user to display the first column (item name).
			if (e.ColumnIndex == columnIndex)
			{
				e.Cancel = true;
				e.NewWidth = 0;
			}
		}

 protected override void OnColumnWidthChanging(ColumnWidthChangingEventArgs e)
 {
     if (!AllowChangeHeaderWidth)
     {
         e.Cancel = true;
         e.NewWidth = this.Columns[e.ColumnIndex].Width;
     }
     base.OnColumnWidthChanging(e);
 }

 private void Current_List_ColumnWidthChanging(object sender, ColumnWidthChangingEventArgs e)
 {
     if (e.ColumnIndex == lockColumnIndex)
     {
         //Keep the width not changed.
         e.NewWidth = this.Current_List.Columns[e.ColumnIndex].Width;
         //Cancel the event.
         e.Cancel = true;
     }
 }

 private void listView1_ColumnWidthChanging(object sender, ColumnWidthChangingEventArgs e)
 {
     this.DatatreeView.Focus();
     this.DatatreeView.Invalidate();
 }

 /// <summary>
 /// Prevent user from changing column widths
 /// </summary>
 private void LV_Entries_ColumnWidthChanging(
     object sender, ColumnWidthChangingEventArgs e)
 {
     e.Cancel = true;
     e.NewWidth = lvManga.Columns[e.ColumnIndex].Width;
 }

 /// <summary>
 /// listRestorePoint ColumnWidthChanging event handler.
 /// Sets the [0] column width to 0.
 /// </summary>
 /// <param name="sender"></param>
 /// <param name="e"></param>
 void listRestorePoint_ColumnWidthChanging(object sender, ColumnWidthChangingEventArgs e)
 {
     if (e.ColumnIndex == 0)
     {
         e.NewWidth = 0;
         e.Cancel = true;
     }
 }

 private void InventoryList_ColumnWidthChanging(object sender, ColumnWidthChangingEventArgs e)
 {
     if (e.ColumnIndex == 0)
     {
         e.NewWidth = this.InventoryList.Columns[0].Width;
         e.Cancel = true;
     }
 }

		protected virtual void OnColumnWidthChanging (ColumnWidthChangingEventArgs e)
		{
			ColumnWidthChangingEventHandler cwceh = (ColumnWidthChangingEventHandler) (Events[ColumnWidthChangingEvent]);
			if (cwceh != null)
				cwceh (this, e);
		}

 private void lvTaskList_ColumnWidthChanging(object sender, ColumnWidthChangingEventArgs e)
 {
     if (e.NewWidth < MIN_WIDTH)
     {
         e.Cancel = true;
         e.NewWidth = lvTaskList.Columns[e.ColumnIndex].Width;
     }
 }

 //-------------------------------------------------------------------------------
 //
 private void lstvList_ColumnWidthChanging(object sender, ColumnWidthChangingEventArgs e)
 {
     if (e.ColumnIndex == 0) { // 画像部分は動かせないようにする
         e.NewWidth = 52;
         e.Cancel = true;
     }
 }

 private void ltvProdutos_ColumnWidthChanging(object sender, ColumnWidthChangingEventArgs e)
              => MyListView.ColumnWidthChanging(e, ltvProdutos);

 //拖动Head的时候，处理需要隐藏的列。
 void OnColWidthChanging ( object sender , ColumnWidthChangingEventArgs e )
 {
     foreach ( int nCol in _lstColHide )
     {
         if (e.ColumnIndex == nCol && e.NewWidth > 0)
         {
             e.NewWidth = 0;
             e.Cancel = true;
         }
     }
 }

 private void lvFileList_ColumnWidthChanging(object sender, ColumnWidthChangingEventArgs e)
 {
     try
     {
         // Deny resizing hidden columns. Ugly.
         if (e.ColumnIndex == 2)
         {
             e.Cancel = true;
             e.NewWidth = 0;
         }
     }
     catch (Exception ex)
     {
         Base.HandleException(ex);
     }
 }

 void listView_ColumnWidthChanging(object sender, ColumnWidthChangingEventArgs e)
 {
     e.NewWidth = ((ListView)sender).Columns[e.ColumnIndex].Width;
     e.Cancel = true;
 }

 private void listviewname_ColumnWidthChanging(object sender, ColumnWidthChangingEventArgs e)
 {
     //e.Cancel = true;
     //e.NewWidth = lbExams.Columns[e.ColumnIndex].Width;
 }

 private void deviceListView_ColumnWidthChanging(object sender, ColumnWidthChangingEventArgs e)
 {
     //don't allow 0-width (hidden) columns to be resized
     if (deviceListView.Columns[e.ColumnIndex].Width == 0)
     {
         e.Cancel = true;
         e.NewWidth = 0;
     }
 }

 void lvBookmarks_ColumnWidthChanging(object sender, ColumnWidthChangingEventArgs e)
 {
     ApplyColumnWidths();
 }