| **Navigation:**  [[introduction.htm|Language Reference]] > [[chapter runtime properties.htm|App C - PROP: Runtime Properties]] > Complete Property List >====== PROP:Handle ====== | [[prop halthook.htm|{{btn_prev_n.gif|Previous page}}]][[chapter runtime properties.htm|{{btn_home_n.gif|Return to chapter overview}}]][[prop headerheight.htm|{{btn_next_n.gif|Next page}}]] |
|  ||

Returns the window or control handle for use with low-level Windows API calls that require it.

It is also used when assigning the handle of one [[blob  declare a variable length field .htm|BLOB]] to another.

**Example:**

| **WinView   WINDOW('View'),AT(0,0,320,200),MDI,MAX,HVSCROLL** |
| **      END** |
| **MessageText   CSTRING('You cannot exit the program from this window ')** |
| **MessageCaption CSTRING('No EVENT:CloseDown Allowed ')** |
| **TextAddress   LONG** |
| **CaptionAddress LONG** |
| **RetVal     SHORT** |
| ** CODE** |
| ** OPEN(WinView)** |
| ** ACCEPT** |
| **  CASE EVENT()** |
| **  OF EVENT:CloseDown** |
| **   TextAddress = ADDRESS(MessageText)** |
| **   CaptionAddress = ADDRESS(MessageCaption)** |
| **   RetVal = MessageBox(WinView{****PROP:Handle****},TextAddress,CaptionAddress,MB_OK) ** |
| **                    !Windows API call using a window handle** |
| **   CYCLE            !Disallow program closedown from this window** |
| **  END** |
| ** END** |
| **!*********************************************** |
| **!Make Window Always on Top** |
| ** SetWindowPos(Window{****PROP:Handle****},HWND_TOPMOST,0,0,0,0,SWP_NOMOVE + SWP_NOSIZE)** |
| **!*********************************************** |
| ** !Remove MIN Button on window with ICON()** |
| ** Sty = GetWindowLong(Window{****prop:handle****}, GWL_STYLE)** |
| ** SetWindowLong(Window{****prop:handle****}, GWL_STYLE, BAND(Sty,BXOR(-1,WS_MINIMIZEBOX)))** |
|  |
| **!*********************************************** |
|  |
| **  BlobPtr = GlobalLock(Pre:Blob{****PROP:Handle****}) ** |
| **  DO WorkOnBlob** |
| **  GlobalUnlock(Pre:Blob{****PROP:Handle****})** |

**See Also:** [[prop clienthandle.htm|PROP: ClientHandle]]