Web11 de nov. de 1998 · November 11, 1998. afxpriv.h has a message, WM_KICKIDLE, that is sent during idle. processing. To get dialogs to work with the ON_UPDATE_COMMAND_UI. message maps, you need to trap the kick idle message and call. UpdateDialogControls. In a dalog class header, add the following in the message map: afx_msg LRESULT … Web11 de dez. de 2008 · The ON_COMMAND events with the menu item id's work fine but the ON_UPDATE_COMMAND_UI events never get fired. I checked the messages with …
ON_UPDATE_COMMAND_UI not being called - narkive
Web21 de abr. de 2024 · The update UI mechanism doesn't work for a dialog box-based application because CDialog has no OnInitMenuPopup handler and it uses CWnd's default handler, which does not call update command UI handlers for menu items. WebupdateCommandUI is fired in response to InitMenuPopUp when a menu is about to be displayed. The same code that exists in CFrameWnd needs to be essentially copied in the dialog, if ON_UPDATE_COMMAND_UI mechanism is needed. Another way would be to use enable/disable items in response to InitMenuPopup. -- Ajay Kalra [MVP - VC++] ... slowrun alphen
Is there any command to update UI immediately? - Stack Overflow
Web25 de dez. de 2024 · Each toolbar button can have an ON_UPDATE_COMMAND_UI handler. Each button's handler can enable/disable the button based on the state of a BOOL variable. So if you click the third button it can set the BOOL variable referenced in the ON_UPDATE_COMMAND_UI handlers to TRUE. They will then enable their respective … Webis indeed the case, you need to take additional steps to "activate" the. UPDATE_COMMAND_UI mechanism for dialog boxes. More specifically: 1/ #Include in your .cpp file (to access the private MFC. message WM_KICKIDLE). 2/ Add the following function prototype to your dialog class: afx_msg void OnKickIdle (); Web22 de dez. de 2005 · I want to enable/disable the popup menu options but ON_UPDATE_COMMAND_UI does not work. I think it has to do with the last parmeter of the TrackPopupMenu () [above]. If I provide AfxGetMainWnd (), it disables the all options in the popup menu although they are implemented. If I pass this pointer, they are enable … slow rumba