protected override void OnLocationChanged(EventArgs e)
{
base.OnLocationChanged(e);
if (IsInDrag)
{
Draging?.Invoke(this, GetMouseScreenPos(), Data);
}
}
private void HeaderLBDown(DroppableContentControl control, MouseButtonEventArgs e)
{
MouseDeltaPoint = e.GetPosition(this);
RootTabs.AllowDropTab = false;
ResizeMode = ResizeMode.NoResize;
IsHitTestVisible = false;
DragManager.PerformDrag(this);
Draging?.Invoke(this, GetMouseScreenPos(), Data);
IsInDrag = true;
DragMove();
FinishDrag();
e.Handled = true;
}
protected override void OnContentRendered(EventArgs e)
{
base.OnContentRendered(e);
if (!HasInitialized)
{
HasInitialized = true;
CaptureMouse();
var deltaPos = Mouse.GetPosition(this) - MouseDeltaPoint;
ReleaseMouseCapture();
Left += deltaPos.X; Top += deltaPos.Y;
IsInDrag = true;
if (Mouse.LeftButton == MouseButtonState.Pressed)
{
Draging?.Invoke(this, GetMouseScreenPos(), Data);
DragMove(); // blocking call
}
FinishDrag();
}
}