private void ManageBackground()
{
if (!_isDueCheckBackground && !_isDueCheckDefaultChromeBackground)
{
return;
}
if (_isDueCheckDefaultChromeBackground)
{
var color = WindowChromeColor.GetChromeColor();
if (color.HasValue)
{
DefaultChromeBackground = new SolidColorBrush(color.Value);
}
}
_chromeBackgroundActual = (UsesDefaultChromeBackground || ChromeBackground.IsTransparent())
? DefaultChromeBackground
: ChromeBackground;
CaptionButtonBackground = TitleBarBackground.IsTransparent()
? _chromeBackgroundActual
: TitleBarBackground;
AddDragHandler();
_isDueCheckBackground = false;
_isDueCheckDefaultChromeBackground = false;
}
private void AddDragHandler()
{
RemoveDragHandler();
if ((TitleBarGrid != null) && !TitleBarBackground.IsTransparent())
{
TitleBarGrid.MouseLeftButtonDown += OnDrag;
}
else
{
this.MouseLeftButtonDown += OnDrag;
}
}