static void StatePropertyChanged(DependencyObject source,
DependencyPropertyChangedEventArgs e)
{
TaskDialogProgressBar progressBar = source as TaskDialogProgressBar;
TaskDialogProgressBarState state = (TaskDialogProgressBarState)e.NewValue;
if (progressBar != null)
{
// Get progress bar owner task dialog
TaskDialog owner = progressBar.Owner;
if (owner != null)
{
// Send update message only if the owner task dialog has a progress bar and
// is activated
if (owner.HasProgressBar && owner.IsActivated)
{
progressBar.SetProgressBarState(state);
}
}
}
}
static Object CoerceValueProperty(DependencyObject source, Object value)
{
TaskDialogProgressBar progressBar = source as TaskDialogProgressBar;
Int32 v = (Int32)value;
if (progressBar != null)
{
// Value cannot be smaller than the current minimum
if (v < progressBar.Minimum)
{
v = progressBar.Minimum;
}
// Value cannot be larger than the current maximum
if (v > progressBar.Maximum)
{
v = progressBar.Maximum;
}
}
return(v);
}
static void RunMarqueePropertyChanged(DependencyObject source,
DependencyPropertyChangedEventArgs e)
{
TaskDialogProgressBar progressBar = source as TaskDialogProgressBar;
Boolean runMarquee = (Boolean)e.NewValue;
if (progressBar != null)
{
// Get progress bar owner task dialog
TaskDialog owner = progressBar.Owner;
if (owner != null)
{
// Send update message only if the owner task dialog has a progress bar and
// is activated
if (owner.HasProgressBar && owner.IsActivated)
{
progressBar.SetProgressBarMarquee(runMarquee, progressBar.MarqueeInterval);
}
}
}
}
static Object CoerceMinimumProperty(DependencyObject source, Object value)
{
TaskDialogProgressBar progressBar = source as TaskDialogProgressBar;
Int32 minimum = (Int32)value;
if (progressBar != null)
{
// Minimum cannot be larger than or equal maximum
if (minimum >= progressBar.Maximum)
{
minimum = progressBar.Minimum + 1;
}
}
// Minimum cannot be smaller than Int16.MinValue
// Restricted by the underlying native API
if (minimum < Int16.MinValue)
{
minimum = Int16.MinValue;
}
return(minimum);
}
static void ValuePropertyChanged(DependencyObject source,
DependencyPropertyChangedEventArgs e)
{
TaskDialogProgressBar progressBar = source as TaskDialogProgressBar;
Int32 value = (Int32)e.NewValue;
if (progressBar != null)
{
// Get progress bar owner task dialog
TaskDialog owner = progressBar.Owner;
if (owner != null)
{
// Send update message only if the owner task dialog has a progress bar and
// is activated
if (owner.HasProgressBar && owner.IsActivated)
{
progressBar.SetProgressBarValue(value);
// Notify value changed
progressBar.OnValueChanged();
}
}
}
}
