[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index] | Reference for unit 'Forms' (#lcl)

# TCustomForm.CMShowingChanged

CMShowingChanged - system message method for showing if the form has changed

## Declaration

Source position: forms.pp line 470

`protected procedure TCustomForm.CMShowingChanged(`
`var Message: TLMessage`
`); message;`

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