C#中使用ListView控件的時候,頻繁更新里面的數據時,會出現閃爍的情況。
解決辦法:使用雙緩沖,首先對listview類進行重寫,然后通過繼承重寫的類,進行控件的初始化定義之后,再進行頻繁數據更新是不會出現閃爍現象的。
//對ListView進行繼承重寫: public class DoubleBufferListView : ListView { public DoubleBufferListView() { SetStyle(ControlStyles.DoubleBuffer | ControlStyles.OptimizedDoubleBuffer | ControlStyles.AllPaintingInWmPaint, true); UpdateStyles(); } }
下面為使用的一個實例:
//視圖函數中定義一個Listview控件: DoubleBufferListView doubleBufferListView1= new DoubleBufferListView();this.doubleBufferListView1.Location = new System.Drawing.Point(50, 37); this.doubleBufferListView1.Name = "doubleBufferListView1"; this.doubleBufferListView1.Size = new System.Drawing.Size(400, 191);this.doubleBufferListView1.View = System.Windows.Forms.View.Details;
//添加listview到主視圖 this.Controls.Add(this.doubleBufferListView1); //對控件進行列表頭的添加 doubleBufferListView1.Clear(); doubleBufferListView1.Columns.Add("Action", 80, System.Windows.Forms.HorizontalAlignment.Left); doubleBufferListView1.Columns.Add("value", 80, System.Windows.Forms.HorizontalAlignment.Right); doubleBufferListView1.Columns.Add("Action", 80, System.Windows.Forms.HorizontalAlignment.Left); doubleBufferListView1.Columns.Add("value", 80, System.Windows.Forms.HorizontalAlignment.Left); //添加行數據 string[] listViewData = new string[4]; listViewData[0] = "Action"; listViewData[1] = "1"; listViewData[2] = "Action"; listViewData[3] = "1"; ListViewItem lvItem = new ListViewItem(listViewData, 0); doubleBufferView1.Items.Add(lvItem);