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Forums » Prof-UIS Tech Support » CExtPPVW < CExtGridWnd > question Collapse All
Subject Author Date
tera tera Apr 22, 2009 - 3:50 AM


When I use CExtPPVW for a grid, Does the whole disposal of grids become slow?

Technical Support Apr 22, 2009 - 11:31 AM

The CExtPPVW template class simply implements the OnCmdMsg() virtual method for handling/updating the standard ID_FILE_PRINT*** commands. It does not allocate any resources and does not affect the behavior of grid cells. When the print/preview mode is on, the CExtPPVW template class creates an internal preview window inside the grid window. This preview window is destroyed when you close the print/preview mode and all the resources are de-allocated at this moment.