![]() You need to release the captured mouse with the ReleaseMouseCapture method when you are done with your drag. If ((delta.Length > _dragThreshold || _dragging) & e.LeftButton = MouseButtonState.Pressed)įor your second problem: the button will capture the mouse on the mouse down event. The Walking Dead season 4 click’n’drag game. You could do it like this: private const double _dragThreshold = 1.0 I think a better way to do this (instead of the 100ms delay) would be to specify a minimum threshold of movement above which the dragging will start. You must handle the case when your button is pushed down but not moved. After I dragged the button, and click anywhere outside the Button and Window control, the PreviewMouseDown and PreviewMouseUp events are raised.When I hold down the mouse button for longer time and release, then the click won't work, because after 100ms the dragging will be active.Private void Button_PreviewMouseUp(object sender, MouseButtonEventArgs e) Private async void Button_PreviewMouseDown(object sender, MouseButtonEventArgs e)Ĭancellation = new CancellationTokenSource() Īwait Task.Delay(100, cancellation.Token).ContinueWith(task => If (_dragging & e.LeftButton = MouseButtonState.Pressed) Private void Button_PreviewMouseMove(object sender, MouseEventArgs e) If the time passed, than the button wil be dragging, otherwise it was just a click. Now my idea is: I set a 100ms delay after mouse down. This activity comes intuitively when a mouse is used. When I only click on the Button, the MouseDown, PreviewMouseDown events or Command binding should raise.Īt first I tried to call the DragMove() on PreviewMouseDown event, but that blocks the click events. Click drag and drop is a very common action usually done millions of times a day by computer users.When I click and drag the Button, the Button must follow the cursor.I have a borderless, transparent Window with only one Button.
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