Disabling a Form's Transparency

Question

I'm working on a winforms application, one of my forms has TransparencyKey set to White so the TextBoxes are transparent as shown below:

I want to disable this transparency, I tried changing the TransparencyKey it works but ruins another color. How can I Disable transparency of the form?

Answer 1

Just set the Forms AllowTransparency Property to False.

Answer 2

In the property sheet of the form, right-click TransparencyKey and choose Reset.

Failing that, try setting TransparencyKey to an unused colour.