Vcl.Controls.TCMControlListChanging

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• Fields

Delphi

  TCMControlListChanging = record
    Msg: Cardinal;
    MsgFiller: TDWordFiller;
    ControlListItem: PControlListItem;
    Inserting: LongBool;
    InsertingFiller: TDWordFiller;
    Result: LRESULT;
  end;

C++

struct DECLSPEC_DRECORD TCMControlListChanging
{
public:
    unsigned Msg;
#ifndef _WIN64
#else /* _WIN64 */
    Winapi::Messages::TDWordFiller MsgFiller;
#endif /* _WIN64 */
    TControlListItem *ControlListItem;
    System::LongBool Inserting;
#ifndef _WIN64
#else /* _WIN64 */
    Winapi::Messages::TDWordFiller InsertingFiller;
#endif /* _WIN64 */
    NativeInt Result;
};

Properties

Type	Visibility	Source	Unit	Parent
record struct	public	Vcl.Controls.pas Vcl.Controls.hpp	Vcl.Controls	Vcl.Controls

Description

TCMControlListChanging is sent to a list control before an item in the list is changed.

An object of type TCMControlListChanging is used with a CM_CONTROLLISTCHANGING message and is sent to a list control before an item in the list is changed. The following table lists the fields contained by TCMControlListChanging:

Field	Meaning
Msg	Represents the Windows message code.
ControlListItem	Is a pointer to a structure that describes the modified list item.
Inserting	Specifies whether the specified control is being inserted to the parent or is being changed.
Result	Holds the value returned by the application processing the message.

The TCMControlListChanging type is used internally.