TImageEnMView.OnCheckboxClick
Declaration
property OnCheckboxClick: TIECheckboxClickEvent;
Description
Occurs as a user clicks a checkbox so you can allow or prevent selection.
idx is the index of the clicked image.
bChecked specifies the new status of the image. You can override it, e.g. set it to false if the image cannot be checked
Note: Don't read
Checked or
CheckedCount in this event which will not yet be valid. Use
OnCheckboxChange
procedure TForm1.ImageEnMView1CheckboxClick(Sender: TObject; idx: integer; var bChecked : Boolean);
begin
// Only allow JPEG images to be checked
if bChecked and (IEFileIsOfFormat(ImageEnMView1.ImageFilename[idx], ioJPEG) = False) then
begin
MessageBeep(MB_ICONEXCLAMATION);
bChecked := False;
end;
end;
See also
◼Checkboxes
◼CheckedCount