How to receive keyboard events?

dmwhero

Select an object in the form

Press the Delete key or Backspace key to delete

How to receive key events?

Thanks!

身材正

keydown event
if e.KeyCode=keys.delete or e.keycode=keys.Back then
...
end if

lj0917

And to set the KeyPreview property of the form to True

收旧货的

You can use the keydown event, the same as the second floor. If you use the keypass event, you must perform character conversion for comparison, and you can only capture backspace but not delete.
e.KeyChar = Microsoft.VisualBasic.ChrW(Keys.Back)

xiang7997

In the keypass event: e.KeyChar = ChrW(8) refers to the backspace, check the ascii code of delete, and then the same

dengyong

The keydown event is useful in this form. If you want to monitor the keyboard, it is recommended to use a hook.

xiang7997

del is 16

if is 8 or is 16 then
  delete
endif

xiang7997

Sorry, wrong, del is 46
In fact, it can be written in keyup
    If e.KeyCode = Keys.Delete orelse e.KeyCode = Keys.backspace Then
       deleteobj()
    endif