ulh (ULONG) - input

      General handle to the data object being set into the clipboard.

      If NULLHANDLE, a WM_RENDERFMT message is sent to the clipboard-owner window to render the format when WinQueryClipbrdData is called with the specified format.

      Once the data has been set into the clipboard, this handle can no longer be used by the application.

      If CFI_POINTER is specified, this parameter contains a pointer to memory. The memory must have been allocated as unnamed and shareable, by DosAllocSharedMem with the OBJ_GIVEABLE attribute.

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