ElementHost MouseDown Event not recognizing

Question

I've been looking for the solution to this problem for days but can't seem to find anything that works. I have an ElementHost on a page in my project that holds a graph of plotted objects. I'm trying to give the user the ability to zoom in/out and translate
the graph to anywhere they want to view.
To zoom in/out I successfully used  Private Sub ElementHost1_MouseWheel(ByVal eventSender As System.Object, ByVal eventArgs As System.Windows.Forms.MouseEventArgs) Handles ElementHost1.MouseWheel
This works nicely, but I can't seem to make any Click or MouseDown event register. For example, Private Sub ElementHost1_MouseDown(ByVal eventSender as System.Object, ByVal evenArgs As System.Windows.Forms.MouseEventArgs) Handles ElementHost1.MouseDown (or
.Click or .DoubleClick or .MouseHover or .MouseMove...). None of these subroutines will be entered when I click on ElementHost1
I'm pretty new to this so I'm sorry if I'm missing something simple here. Also, when I create the same MouseDown event for the page the ElementHost1 graph is on, the page itself will register the mouse event happening but not when I'm clicking anywhere on the
graph. Any suggestions or help would be greatly appreciated, thank you.

Answer 1

I've been looking for the solution to this problem for days but can't seem to find anything that works. I have an ElementHost on a page in my project that holds a graph of plotted objects. I'm trying to give the user the ability to zoom in/out and
translate the graph to anywhere they want to view.
To zoom in/out I successfully used  Private Sub ElementHost1_MouseWheel(ByVal eventSender As System.Object, ByVal eventArgs As System.Windows.Forms.MouseEventArgs) Handles ElementHost1.MouseWheel
This works nicely, but I can't seem to make any Click or MouseDown event register. For example, Private Sub ElementHost1_MouseDown(ByVal eventSender as System.Object, ByVal evenArgs As System.Windows.Forms.MouseEventArgs) Handles ElementHost1.MouseDown (or
.Click or .DoubleClick or .MouseHover or .MouseMove...). None of these subroutines will be entered when I click on ElementHost1
I'm pretty new to this so I'm sorry if I'm missing something simple here. Also, when I create the same MouseDown event for the page the ElementHost1 graph is on, the page itself will register the mouse event happening but not when I'm clicking anywhere on the
graph. Any suggestions or help would be greatly appreciated, thank you.
ElementHosts are for hosting WPF controls. WPF controls have their own events which are not the same as Windows.Forms events.
I've never used an ElementHost. I am guessing that for whatever WPF control you are using you would need to use the events available for it.
You don't mention what control the graph is used with. I suspect whatever that control is you will need to find the events for. WPF control events are different than Windows.Forms events.
I don't see a graph specific control for WPF at the link below. And if you look at one of the controls at the link then look at the events for that control they pretty much are way different than events for Windows.Forms controls of the same type.
https://msdn.microsoft.com/en-us/library/ms754204(v=vs.110).aspx
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