Using DotNet.AddEventHandler(): Is it possible to add extra handler to a control?

[magicm]

DotNetControls are wrapped dotNet controls made to behave exactly like all default UI controls (button, spinner etc). So they also utilize the same event system as the regular maxscript controls:

(
rollout DotNetTest "DotNet Test" width:80 height:40
(
dotNetControl DotNetButton "System.Windows.Forms.Button" width:60 height:30

on DotNetTest open do
(
DotNetButton.Text = "Click Me!"
)

on DotNetButton Click do
(
print "Click!"
)
)

createDialog DotNetTest
)

Instead of placing DotNetControls on a rollout, you can also build a DotNet Form yourself. In this case you need the addEventHandler method to catch the events of the controls (DotNetObjects):

(
-- Create a form
local DotNetForm = DotNetObject "System.Windows.Forms.Form"
DotNetForm.Size = (DotNetObject "Drawing.Size" 200 80)

-- Create a button
local DotNetButton = DotNetObject "System.Windows.Forms.Button"
DotNetButton.Text = "Click Me!"
DotNetButton.Location = (DotNetObject "Drawing.Point" 10 10)

-- Create another button
local DotNetButton2 = DotNetObject "System.Windows.Forms.Button"
DotNetButton2.Text = "Or Me!"
DotNetButton2.Location = (DotNetObject "Drawing.Point" 100 10)

-- The "Click" event calls this function (see below)
fn OnButtonClick s e =
(
format "Click!\n\tSender : %\n\tMouse Pos : %\n" s.Text [e.X, e.Y]
)

-- Setup an event handler for both buttons
dotNet.addEventHandler DotNetButton "Click" OnButtonClick
dotNet.addEventHandler DotNetButton2 "Click" OnButtonClick

-- Add the buttons to the form
DotNetForm.Controls.AddRange #(DotNetButton, DotNetButton2)

-- Show the form
DotNetForm.Show()
)

Cheers,
Martijn

[Jon-Huhn]

Thanks, Martijn

So the take-home message I got from your post is that as long as I'm embedding a DotNet control in a maxscript rollout, I'm limited to just the event callbacks that are exposed through maxscript. However, if I was willing to build the whole form out of DotNet, then I could add as many additional callbacks as I wanted?

It's not practical for me to go completely DotNet at this point, but I can it as a possibility in the future as I get more comfortable with more of the available controls.

Thanks!

[magicm]

So the take-home message I got from your post is that as long as I'm embedding a DotNet control in a maxscript rollout, I'm limited to just the event callbacks that are exposed through maxscript. However, if I was willing to build the whole form out of DotNet, then I could add as many additional callbacks as I wanted?

Yes that's pretty much it ;)

Cheers,
Martijn

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