public HResult ShowWaitDialog(string caption, string message, string progressText, string statusBarText, TimeSpan showDelay, bool canCancel, bool realProgress, float progress, IntPtr[] waitHandles)
{
try
{
if (waitHandles == null)
throw new ArgumentNullException("waitHandles");
if (waitHandles.Length == 0)
throw new ArgumentException("Wait handles cannot be of zero length");
if (_showing)
throw new InvalidOperationException("Wait dialog is already showing");
_showing = true;
try
{
if (statusBarText != null)
SetStatusBarText(statusBarText);
int delay = (int)showDelay.TotalMilliseconds;
if (WaitForHandles(waitHandles, ref delay, WaitBeforeWaitCursor))
return HResult.OK;
Application.UseWaitCursor = true;
Cursor.Current = Cursors.WaitCursor;
Application.DoEvents();
try
{
if (WaitForHandles(waitHandles, ref delay, delay))
return HResult.OK;
_form = new WaitDialogForm(_synchronizationContext, caption, message, progressText, canCancel, realProgress, progress, waitHandles);
try
{
_cancelled = _form.ShowDialog(_serviceProvider) != DialogResult.OK;
}
finally
{
_form.Dispose();
_form = null;
}
}
finally
{
Application.UseWaitCursor = false;
Cursor.Current = Cursors.Default;
SetStatusBarText(null);
}
}
finally
{
_showing = false;
}
return HResult.OK;
}
catch (Exception ex)
{
return ErrorUtil.GetHResult(ex);
}
}
public HResult ShowWaitDialog(string caption, string message, string progressText, string statusBarText, TimeSpan showDelay, bool canCancel, bool realProgress, float progress, IntPtr[] waitHandles)
{
try
{
if (waitHandles == null)
{
throw new ArgumentNullException("waitHandles");
}
if (waitHandles.Length == 0)
{
throw new ArgumentException("Wait handles cannot be of zero length");
}
if (_showing)
{
throw new InvalidOperationException("Wait dialog is already showing");
}
_showing = true;
try
{
if (statusBarText != null)
{
SetStatusBarText(statusBarText);
}
int delay = (int)showDelay.TotalMilliseconds;
if (WaitForHandles(waitHandles, ref delay, WaitBeforeWaitCursor))
{
return(HResult.OK);
}
Application.UseWaitCursor = true;
Cursor.Current = Cursors.WaitCursor;
Application.DoEvents();
try
{
if (WaitForHandles(waitHandles, ref delay, delay))
{
return(HResult.OK);
}
_form = new WaitDialogForm(_synchronizationContext, caption, message, progressText, canCancel, realProgress, progress, waitHandles);
try
{
_cancelled = _form.ShowDialog(_serviceProvider) != DialogResult.OK;
}
finally
{
_form.Dispose();
_form = null;
}
}
finally
{
Application.UseWaitCursor = false;
Cursor.Current = Cursors.Default;
SetStatusBarText(null);
}
}
finally
{
_showing = false;
}
return(HResult.OK);
}
catch (Exception ex)
{
return(ErrorUtil.GetHResult(ex));
}
}
