我有一个小应用程序，其中一个面板包含另外 6 个面板（在此面板图片内），当我单击按钮时，此面板的底部会动态创建几个面板，当面板创建整个面板时，此面板正在闪烁……看起来不好...请告诉我，该怎么办？
我创建面板的循环，单击按钮创建面板会添加相同数量的面板
for (int i = 0; i < list_afy_add.Count; i++)
{
Panel main_panel = new Panel();
main_panel.Name = i.ToString();
main_panel.Width = 308;
main_panel.BackColor = Color.Transparent;
main_panel.Location = new Point(x, y);
Panel panel = new Panel();
panel.Name = i.ToString();
panel.MouseEnter += new EventHandler(panel_MouseEnter);
panel.Width = 300;
panel.Location = new Point(3, 5);
Label textBox_date = new Label();
panel.Controls.Add(textBox_date);
textBox_date.Name = "textBox_date" + i.ToString();
textBox_date.Location = new Point(220, 8);
textBox_date.Size = new System.Drawing.Size(70, 15);
textBox_date.BorderStyle = BorderStyle.None;
textBox_date.MinimumSize = new System.Drawing.Size(72, 15);
textBox_date.TextAlign = ContentAlignment.MiddleRight;
textBox_date.BackColor = Color.FromArgb(((int)(((byte)(203)))), ((int)(((byte)(208)))), ((int)(((byte)(217)))));
textBox_date.Anchor = AnchorStyles.Right | AnchorStyles.Top;
textBox_date.ForeColor = SystemColors.InactiveCaption;
Label textBox_name = new Label();
panel.Controls.Add(textBox_name);
textBox_name.Size = new System.Drawing.Size(100, 15);
textBox_name.MinimumSize = new System.Drawing.Size(100, 15);
textBox_name.Location = new Point(5, 8);
textBox_name.BorderStyle = BorderStyle.None;
textBox_name.BackColor = Color.FromArgb(((int)(((byte)(203)))), ((int)(((byte)(208)))), ((int)(((byte)(217)))));
textBox_name.ForeColor = SystemColors.InactiveCaption;
Label textBox_msg = new Label();
panel.Controls.Add(textBox_msg);
textBox_msg.Location = new Point(5, 30);
textBox_msg.Name = i.ToString();
textBox_msg.Tag = list_afy_add[i]._AddEventNotification.eventNotificationId;
textBox_msg.BorderStyle = BorderStyle.None;
textBox_msg.BackColor = Color.FromArgb(((int)(((byte)(203)))), ((int)(((byte)(208)))), ((int)(((byte)(217)))));
textBox_msg.ForeColor = SystemColors.Highlight;
textBox_msg.Cursor = Cursors.Arrow;
textBox_msg.MaximumSize = new System.Drawing.Size(280, 100);
textBox_msg.MinimumSize = new System.Drawing.Size(280, 14);
textBox_msg.AutoSize = true;
textBox_msg.Anchor = AnchorStyles.Right | AnchorStyles.Left | AnchorStyles.Top;
Label labelOpenChat = new Label();
labelOpenChat.Size = new System.Drawing.Size(90, 15);
labelOpenChat.Text = "Открыть чат";
labelOpenChat.Font = new Font("Microsoft Sans Serif", 8.25F, System.Drawing.FontStyle.Underline, System.Drawing.GraphicsUnit.Point, ((byte)(200)));
labelOpenChat.Location = new Point(10, 8);
labelOpenChat.BorderStyle = BorderStyle.None;
labelOpenChat.BackColor = Color.FromArgb(((int)(((byte)(203)))), ((int)(((byte)(208)))), ((int)(((byte)(217)))));
labelOpenChat.ForeColor = SystemColors.InactiveCaption;
panel.Controls.Add(labelOpenChat);
main_panel.Controls.Add(panel);
panel1.Controls.Add(main_panel);
panel.Anchor = AnchorStyles.Left | AnchorStyles.Right | AnchorStyles.Top;
main_panel.Dock = DockStyle.Top;
date_and_msg_check(list_afy_add[i]._AddEventNotification.eventNotificationName, list_afy_add[i]._AddEventNotification.eventNotificationDate, list_afy_add[i]._AddEventNotification.eventNotificationMsg);
textBox_name.Text = valForName;
textBox_date.Text = valForDate;
textBox_msg.Text = valForMsg;
int height = textBox_msg.Size.Height + textBox_name.Height + 19;
panel.Height = height;
main_panel.Height = height + 10;
int panHei = panel.Height;
/*--------------------------------*/
Panel panel_top_left = new Panel();
Panel panel_top_right = new Panel();
Panel panel_bottom_left = new Panel();
Panel panel_bottom_right = new Panel();
Bitmap btm_msg_panel_top_left = new Bitmap(Properties.Resources.blue_t_l1);
panel_top_left.BackgroundImage = btm_msg_panel_top_left;
Bitmap btm_msg_panel_top_right = new Bitmap(Properties.Resources.blue_t_r);
panel_top_right.BackgroundImage = btm_msg_panel_top_right;
Bitmap btm_msg_panel_bottom_left = new Bitmap(Properties.Resources.blue_b_l);
panel_bottom_left.BackgroundImage = btm_msg_panel_bottom_left;
Bitmap btm_msg_panel_bottom_right = new Bitmap(Properties.Resources.blue_b_r);
panel_bottom_right.BackgroundImage = btm_msg_panel_bottom_right;
panel_top_left.Width = panel.Width;
panel_top_left.Height = height + 2;
panel_top_right.Width = btm_msg_panel_top_right.Width;
panel_bottom_left.Height = btm_msg_panel_bottom_left.Height;
panel_bottom_left.Width = btm_msg_panel_bottom_left.Width;
panel_bottom_right.Height = btm_msg_panel_bottom_right.Height;
panel_bottom_right.Width = btm_msg_panel_bottom_right.Width;
panel_top_right.Location = new Point(panel_top_left.Width - 4, 0);
panel_bottom_left.Location = new Point(0, panel_top_left.Height - panel_bottom_left.Height);
panel_bottom_right.Location = new Point(panel_top_left.Width - 4, panel_top_left.Height - panel_bottom_right.Height);
panel_top_right.Anchor = AnchorStyles.Right | AnchorStyles.Top | AnchorStyles.Bottom;
panel_bottom_right.Anchor = AnchorStyles.Right | AnchorStyles.Bottom;
panel_bottom_left.Anchor = AnchorStyles.Bottom | AnchorStyles.Left;
panel_top_left.Anchor = AnchorStyles.Bottom | AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right;
/*--------------------------------*/
Button delButt = new Button();
delButt.Name = list_afy_add[i]._AddEventNotification.eventNotificationId;
delButt.Click += new EventHandler(delButt_Click);
delButt.Size = new System.Drawing.Size(12, 12);
delButt.Location = new Point(292, 6);
delButt.Anchor = AnchorStyles.Right | AnchorStyles.Top;
delButt.BackColor = Color.Transparent;
delButt.FlatStyle = FlatStyle.Flat;
delButt.FlatAppearance.BorderSize = 0;
delButt.FlatAppearance.MouseDownBackColor = Color.Transparent;
delButt.FlatAppearance.MouseOverBackColor = Color.Transparent;
delButt.BackgroundImage = bmp_close_normal;
panel_top_left.Controls.Add(delButt);
delButt.Hide();
panel.Controls.Add(panel_bottom_right);
panel.Controls.Add(panel_top_right);
panel.Controls.Add(panel_bottom_left);
panel.Controls.Add(panel_top_left);
}