CODEWITHSUNDEEP
delphifiremonkeydelphi-xe8
BIBD
BIBD

Reputation: 15384

How can un-embed a subform from another form?

I'd like to swap the subforms that appear in a container on my main form.

I've found a method of assigning one form as a subform of another here by making it's parent a container on the main form.

procedure TParentForm.EmbeddForm(AParent:TControl; AForm:TCustomForm);
begin
    while AForm.ChildrenCount>0 do
        AForm.Children[0].Parent:=AParent;
end;

This works pretty much as I expected it to for adding a subform; however, I can't seem to replace it once it's already been made a subform.

niling the parent for the subform doesn't seem to do the trick, nor does setting its parent to it self.

Is there a way to un-embed this subform from its container?

I'd rather not destroy an recreate these subforms all the time, just swap them out.

Upvotes: 0

Views: 247

Answers (1)

Jerry Dodge
Jerry Dodge

Reputation: 27276

In Firemonkey, to embed a form, you should first encapsulate all your controls on a TLayout of some sort. Then, you can assign the parent of that layout to whatever container you need. 

MyLayout.Parent := MyContainerInAnotherForm;

This way, you only have one variable (of the layout) to reference the entire "form". Bear in mind that FMX is widely based around layouts.

When you want to re-assign the original form, just assign that layout's parent back to its original container.

MyLayout.Parent := MyOriginalContainerForm;

Upvotes: 1

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