ATTR_PANEL_FIRST_CTRL
| Type: | Panel attribute |
| Description: | The ID of the first control on the panel. The panel attribute ATTR_PANEL_FIRST_CTRL returns the lowest control ID that exists in the panel. When you call GetCtrlAttribute on this first control ID, ATTR_NEXT_CTRL returns the next higher control ID in the panel. On the last control, ATTR_NEXT_CTRL returns zero. Use the panel attribute ATTR_NUM_CTRLS to get the total number of controls in a panel. |
| Restrictions: | Not settable. |
| Data Type: | integer |
| LabWindows/CVI Compatibility: |
LabWindows/CVI 4.0 and later |