/// <summary>
/// ShowWithoutActivation
/// </summary>
//protected override bool ShowWithoutActivation
//{
// get { return true; }
//}
//protected override void WndProc(ref Message m)
//{
// //if(Visible)
// if (Environment.OSVersion.Version.Major < Common.CommonConstant.VistaVersion)
// {
// if (m.Msg == (int)WindowsMessages.WM_MOUSEACTIVATE)
// {
// m.Result = new IntPtr((int)WindowsMessages.MA_NOACTIVATE);
// return;
// }
// else if (m.Msg == (int)WindowsMessages.WM_NCACTIVATE)
// {
// //yunliang:please do not use following codes,it will cause exception in aync operations .
// //if (((int)m.WParam & 0xFFFF) != (int)WindowsMessages.WA_INACTIVE)
// //{
// // if (m.LParam != IntPtr.Zero)
// // {
// // User32.SetActiveWindow(m.LParam);
// // }
// // else
// // {
// // User32.SetActiveWindow(IntPtr.Zero);
// // }
// //}
// }
// }
// base.WndProc(ref m);
//}
//need more overload method
public static void QueueWorkingItem(MethodInvoker invoker, string msg, IWin32Window parent)
{
using (ProgressForm pf = new ProgressForm())
{
pf.IsShowTextOnly = true;
pf.Text = msg;
Form form = parent as Form;
if (form != null)
{
pf.OwnerForm = form;
}
else
{
Control ctrl = parent as Control;
if (ctrl != null)
{
pf.OwnerForm = ctrl.TopLevelControl ?? ctrl;
}
else
{
pf.OwnerForm = ctrl;
}
}
AutoResetEvent evt = new AutoResetEvent(false);
ThreadPool.QueueUserWorkItem(s =>
{
while (!evt.WaitOne(10))
{
Application.DoEvents();
}
});
pf.DoWork += delegate
{
try
{
Control ctrl = parent as Control;
if (ctrl != null)
{
ctrl.Invoke(invoker);
}
else
{
invoker.Invoke();
}
}
catch
{
}
finally
{
evt.Set();
}
};
pf.Start();
}
}