/// <summary>
/// 使控件矩形无效,可以选择是否强制刷新
/// </summary>
/// <param name="rc">无效矩形</param>
/// <param name="invalidateChildren">使控件所在的 Win32 窗口的子控件无效为 true,否则为 false</param>
/// <param name="forceUpdate">强制刷新为 true,否则为false</param>
protected void InvalidateCore(Rectangle rc, bool invalidateChildren, bool forceUpdate)
{
if (forceUpdate || !this.UpdateSuspended)
{
IUIControl parent = this;
IUIWindow window = null;
while (parent != null && (window = parent as IUIWindow) == null)
{
rc.Offset(parent.Left, parent.Top);
parent = parent.UIParent;
}
if (window == null)
{
return;
}
window.Invalidate(rc, invalidateChildren);
}
}
/// <summary>
/// 立即刷新所在 Win32 窗口和其子控件,可以选择是否强制刷新
/// </summary>
/// <param name="forceUpdate">强制刷新为 true,否则为false</param>
protected void RefreshCore(bool forceUpdate)
{
if (forceUpdate || !this.UpdateSuspended)
{
IUIControl parent = this;
IUIWindow window = null;
Rectangle rc = this.ClientRectangle;
while (parent != null && (window = parent as IUIWindow) == null)
{
rc.Offset(parent.Left, parent.Top);
parent = parent.UIParent;
}
if (window == null)
{
return;
}
window.Invalidate(rc, true);
window.Update();
}
}
