private void AsyncWaitDialog_FormClosing(object sender, FormClosingEventArgs e)
{
WindowsTaskbar.SetProgressState(Handle, WindowsTaskbar.ProgressBarState.NoProgress);
}
/// <inheritdoc/>
public void Report(TaskSnapshot value)
{
// Ensure execution on GUI thread
if (InvokeRequired)
{
BeginInvoke(new Action <TaskSnapshot>(Report), value);
return;
}
switch (value.State)
{
case TaskState.Ready:
// When the State is complete the bar should always be empty
Style = ProgressBarStyle.Continuous;
Value = 0;
if (UseTaskbar && ParentHandle != IntPtr.Zero)
{
WindowsTaskbar.SetProgressState(ParentHandle, WindowsTaskbar.ProgressBarState.NoProgress);
}
break;
case TaskState.Started:
case TaskState.Header:
Style = ProgressBarStyle.Marquee;
if (UseTaskbar && ParentHandle != IntPtr.Zero)
{
WindowsTaskbar.SetProgressState(ParentHandle, WindowsTaskbar.ProgressBarState.Indeterminate);
}
break;
case TaskState.Data:
if (value.UnitsTotal == -1)
{
Style = ProgressBarStyle.Marquee;
if (UseTaskbar && ParentHandle != IntPtr.Zero)
{
WindowsTaskbar.SetProgressState(ParentHandle, WindowsTaskbar.ProgressBarState.Indeterminate);
}
}
else
{
Style = ProgressBarStyle.Continuous;
if (UseTaskbar && ParentHandle != IntPtr.Zero)
{
WindowsTaskbar.SetProgressState(ParentHandle, WindowsTaskbar.ProgressBarState.Normal);
}
}
break;
case TaskState.IOError:
case TaskState.WebError:
Style = ProgressBarStyle.Continuous;
if (UseTaskbar && ParentHandle != IntPtr.Zero)
{
WindowsTaskbar.SetProgressState(ParentHandle, WindowsTaskbar.ProgressBarState.Error);
}
break;
case TaskState.Complete:
// When the State is complete the bar should always be full
Style = ProgressBarStyle.Continuous;
Value = 100;
if (UseTaskbar && ParentHandle != IntPtr.Zero)
{
WindowsTaskbar.SetProgressState(ParentHandle, WindowsTaskbar.ProgressBarState.NoProgress);
}
break;
}
var currentValue = (int)(value.Value * 100);
if (currentValue < 0)
{
currentValue = 0;
}
else if (currentValue > 100)
{
currentValue = 100;
}
// When the State is complete the bar should always be full
if (value.State == TaskState.Complete)
{
currentValue = 100;
}
Value = currentValue;
IntPtr formHandle = ParentHandle;
if (UseTaskbar && formHandle != IntPtr.Zero)
{
WindowsTaskbar.SetProgressValue(formHandle, currentValue, 100);
}
}
private void AsyncWaitDialog_Shown(object sender, EventArgs e)
{
WindowsTaskbar.SetProgressState(Handle, WindowsTaskbar.ProgressBarState.Indeterminate);
}
private void MainForm_Shown(object sender, EventArgs e)
{
WindowsTaskbar.SetProgressState(Handle, WindowsTaskbar.ProgressBarState.Indeterminate);
backgroundWorker.RunWorkerAsync();
}