Sequentially declared elements with the DIF_CENTERGROUP flag and with the same vertical position will be centered in the dialog. Horizontal coordinates of those elements (X1 and X2) are ignored.
The DIF_CENTERGROUP flag is applicable to the following dialog items:
| Control | Description |
|---|---|
| DI_BUTTON | Push button. |
| DI_CHECKBOX | Check box. |
| DI_RADIOBUTTON | Radio button. |
| DI_TEXT | Text string . |
| DI_VTEXT | Vertical text string. |