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.. _wx.grid.GridCornerHeaderRenderer:

==========================================================================================================================================
|phoenix_title|  **wx.grid.GridCornerHeaderRenderer**
==========================================================================================================================================

Base class for corner window renderer.          

This is the simplest of all header renderers and only has a single function. 

         



.. versionadded:: 2.9.1 
     







.. seealso:: :meth:`wx.grid.GridCellAttrProvider.GetCornerRenderer`   







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|class_hierarchy| Class Hierarchy
=================================

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   Inheritance diagram for class <strong>GridCornerHeaderRenderer</strong>:
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|sub_classes| Known Subclasses
==============================

:ref:`wx.grid.GridCornerHeaderRendererDefault`, :ref:`wx.grid.GridHeaderLabelsRenderer`

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|method_summary| Methods Summary
================================

================================================================================ ================================================================================
:meth:`~wx.grid.GridCornerHeaderRenderer.DrawBorder`                             Called by the grid to draw the corner window border.
================================================================================ ================================================================================


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|api| Class API
===============


.. class:: wx.grid.GridCornerHeaderRenderer(object)

   Base class for corner window renderer.



   .. method:: DrawBorder(self, grid, dc, rect)

      Called by the grid to draw the corner window border.                  

      This method is responsible for drawing the border inside the given `rect`  and adjusting the rectangle size to correspond to the area inside the border, i.e. usually call :meth:`wx.Rect.Deflate`   to account for the border width. 




      :param `grid`: The grid whose corner window is being drawn.   
      :type `grid`: wx.grid.Grid
      :param `dc`: The device context to use for drawing.   
      :type `dc`: wx.DC
      :param `rect`: Input/output parameter which contains the border rectangle on input and should be updated to contain the area inside the border on function return.   
      :type `rect`: wx.Rect