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Tk_SetGrid(3)			      Tk Library Procedures			    Tk_SetGrid(3)

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NAME
       Tk_SetGrid, Tk_UnsetGrid - control the grid for interactive resizing

SYNOPSIS
       #include <tk.h>

       Tk_SetGrid(tkwin, reqWidth, reqHeight, widthInc, heightInc)

       Tk_UnsetGrid(tkwin)

ARGUMENTS
       Tk_Window tkwin (in)		 Token for window.

       int reqWidth (in)		 Width in grid units that corresponds to the pixel dimen-
					 sion tkwin has requested via Tk_GeometryRequest.

       int reqHeight (in)		 Height in grid  units	that  corresponds  to  the  pixel
					 dimension tkwin has requested via Tk_GeometryRequest.

       int widthInc (in)		 Width of one grid unit, in pixels.

       int heightInc (in)		 Height of one grid unit, in pixels.
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DESCRIPTION
       Tk_SetGrid  turns on gridded geometry management for tkwin's toplevel window and specifies
       the geometry of the grid.  Tk_SetGrid is typically invoked by a widget  when  its  setGrid
       option  is true.  It restricts interactive resizing of tkwin's toplevel window so that the
       space allocated to the toplevel is equal to its requested size plus or minus  even  multi-
       ples of widthInc and heightInc.	Furthermore, the reqWidth and reqHeight values are passed
       to the window manager so that it can report the window's size in grid units during  inter-
       active  resizes.  If tkwin's configuration changes (e.g., the size of a grid unit changes)
       then the widget should invoke Tk_SetGrid again with the new information.

       Tk_UnsetGrid cancels gridded geometry management for tkwin's toplevel window.

       For each toplevel window there can be at most one internal window with  gridding  enabled.
       If  Tk_SetGrid  or  Tk_UnsetGrid  is invoked when some other window is already controlling
       gridding for tkwin's toplevel, the calls for the new window have no effect.

       See the wm manual entry for additional information on gridded geometry management.

KEYWORDS
       grid, window, window manager

Tk					       4.0				    Tk_SetGrid(3)
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