#pragma once //------------------------------------------------------------------------ // Author: Rolf Kristensen // Source: http://www.codeproject.com/KB/list/CGridListCtrlEx.aspx // License: Free to use for all (New BSD License) //------------------------------------------------------------------------ class CGridColumnTrait; class CGridColumnTraitImage; class CGridColumnTraitCombo; class CGridColumnTraitDateTime; class CGridColumnTraitEdit; class CGridColumnTraitText; //------------------------------------------------------------------------ //! CGridColumnTraitVisitor enables the use of the visitor-pattern to //! add extra behavior to the CGridColumnTrait classes //------------------------------------------------------------------------ class CGridColumnTraitVisitor { public: void Visit(CGridColumnTrait&) {} void Visit(CGridColumnTraitImage&) {} void Visit(CGridColumnTraitCombo&) {} void Visit(CGridColumnTraitDateTime&) {} void Visit(CGridColumnTraitEdit&) {} void Visit(CGridColumnTraitText&) {} };
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