Vcl.Controls.TCMControlListChanging
Delphi
TCMControlListChanging = record
C++
struct DECLSPEC_DRECORD TCMControlListChanging
{
public:
unsigned Msg;
#ifndef _WIN64
#else /* _WIN64 */
Winapi::Messages::TDWordFiller MsgFiller;
#endif /* _WIN64 */
PControlListItem ControlListItem;
System::LongBool Inserting;
#ifndef _WIN64
int Result;
#else /* _WIN64 */
Winapi::Messages::TDWordFiller InsertingFiller;
__int64 Result;
#endif /* _WIN64 */
};
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.