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TControl.CMVisibleChanged procedure

Member of TControlprotectedIn unit Controls

Handles a CM_VISIBLECHANGED message for the control.

Declaration

pascal
procedure CMVisibleChanged(var Message: TLMessage); message

Arguments

Message

Control message handled in the method.

Description

CMVisibleChanged causes the control to be redrawn using the Visible and ControlStyle properties in the class instance. It allows a parented control to be redrawn using the visibility and opacity settings for the control. It calls the InvalidateControl method to invalidate the bounds rectangle or the control.

No actions are performed in the method at design-time.

See also

An experiment, built from development snapshots. Not the official Free Pascal or Lazarus documentation.