ATTR_SYSTEM_WINDOW_HANDLE
| Type: | Panel attribute |
| Description: | A number that can be cast to obtain the system-specific window handle for a top-level panel. The actual type of the value is HWND. The value is zero for child panels. |
| Restrictions: | Not settable. |
| Data Type: | intptr_t |
| LabWindows/CVI Compatibility: |
LabWindows/CVI 3.0 and later |