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Knowing when a child item has changed |
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eggbox 
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Joined: 10 March 2006 Status: Offline Points: 12 |
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 Topic: Knowing when a child item has changedPosted: 10 November 2009 at 11:42am |
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This is the scenario, I create an item that contains child items, I want to know when any of the child items' value has changed without having to write code in the child items OnValueChanged() to call the parent.
//*Ergin |
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//*eggbox
Product: Xtreme ToolkitPro v18.2.0 Platform: Windows 7 (32 bit) Language: C++ / MFC |
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Oleg
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Joined: 21 May 2003 Location: United States Status: Offline Points: 11234 |
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Posted: 10 November 2009 at 1:49pm |
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Yes, only with OnValueChanged :(
at least CXTPPropertyGridItemSize works this way:
class CXTPPropertyGridItemSize::CXTPPropertyGridItemSizeWidth : public CXTPPropertyGridItemNumber
{ public: CXTPPropertyGridItemSizeWidth(LPCTSTR strCaption) : CXTPPropertyGridItemNumber(strCaption) { } virtual void OnValueChanged(CString strValue)
{ ((CXTPPropertyGridItemSize*)m_pParent)->SetWidth(strValue); } virtual BOOL GetReadOnly() const { return m_pParent->GetReadOnly(); } }; |
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Oleg, Support Team
CODEJOCK SOFTWARE SOLUTIONS |
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eggbox
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Joined: 10 March 2006 Status: Offline Points: 12 |
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Posted: 10 November 2009 at 4:08pm |
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Thanks, that is what I thought, it would be cool to have a callback named something like OnChildValueChanged() though.
//*Ergin |
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//*eggbox
Product: Xtreme ToolkitPro v18.2.0 Platform: Windows 7 (32 bit) Language: C++ / MFC |
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