Vcl.Controls.TControl.DesignWndProc
Delphi
function DesignWndProc(var Message: TMessage): Boolean; dynamic;
C++
DYNAMIC bool __fastcall DesignWndProc(Winapi::Messages::TMessage &Message);
Properties
| Type | Visibility | Source | Unit | Parent |
|---|---|---|---|---|
| function | protected | Vcl.Controls.pas Vcl.Controls.hpp |
Vcl.Controls | TControl |
Description
Processes the given message and returns some Boolean information based on the message's content.
DesignWndProc returns true if the csDesignInteractive option in ControlStyle is enabled and if either the right mouse button is pressed or the right mouse button is released. The true value is returned also when ControlStyle is enabled and when either the mouse has moved or the right mouse button is double-clicked.