// This might be called from a thread other than the control's UI thread
private void UpdateTheme()
{
if (_extendedControls.Count == 0)
{
return;
}
Control c = _extendedControls[0];
if (c.InvokeRequired)
{
// assume all contros are on the same form / same UI thread
c.Invoke(new MethodInvoker(UpdateTheme));
return;
}
Color backColor = _styleManager.GetThemeColor("*.BackColor.*");
Color foreColorNormal = _styleManager.GetThemeColor("*.ForeColor.Normal");
Color foreColorDisabled = _styleManager.GetThemeColor("*.ForeColor.Disabled");
foreach (Control ctrl in _extendedControls)
{
try
{
if (ctrl.BackColor != backColor)
{
ctrl.BackColor = backColor;
}
}
catch { }
try
{
Color col = ctrl.Enabled ? foreColorNormal : foreColorDisabled;
if (ctrl.ForeColor != col)
{
ctrl.ForeColor = col;
}
}
catch { }
}
}
protected virtual Color GetThemeColor(string property)
{
return(_styleManager.GetThemeColor(property, MetroControlState, MetroControlCategory));
}