static Dictionary<Control, bool> m_lstFreezeControl = new Dictionary<Control, bool>();
/// <summary>
/// 功能描述:停止更新控件
/// </summary>
/// <param name="control">control</param>
/// <param name="blnToFreeze">是否停止更新</param>
public static void FreezeControl(Control control, bool blnToFreeze)
{
if (blnToFreeze && control.IsHandleCreated && control.Visible && !control.IsDisposed && (!m_lstFreezeControl.ContainsKey(control) || (m_lstFreezeControl.ContainsKey(control) && m_lstFreezeControl[control] == false)))
{
m_lstFreezeControl[control] = true;
control.Disposed += control_Disposed;
HZCX.Controls.Controls.NativeMethods.SendMessage(control.Handle, 11, 0, 0);
}
else if (!blnToFreeze && !control.IsDisposed && m_lstFreezeControl.ContainsKey(control) && m_lstFreezeControl[control] == true)
{
m_lstFreezeControl.Remove(control);
HZCX.Controls.Controls.NativeMethods.SendMessage(control.Handle, 11, 1, 0);
control.Invalidate(true);
}
}
static void control_Disposed(object sender, EventArgs e)
{
try
{
if (m_lstFreezeControl.ContainsKey((Control)sender))
m_lstFreezeControl.Remove((Control)sender);
}
catch { }
}
try
{
HZCX.Controls.ControlHelper.FreezeControl(this, true);
//你的更新界面操作
}
finally
{
HZCX.Controls.ControlHelper.FreezeControl(this, false);
}