 |
 | Home | Contact Us | FAQ | Search & Site Map | Link to Us |
 | Sign In | Join | Other 45 Sites in Network |
.NET Forum / Windows Forms / Design Time / November 2005Intercepting closing DropDown of a ComboBox
Good morning I've not found an event that notify me when drop-down part of a BomboBox is closed. OnDropDown just notify when the drop-down is displayed, not when it is closed. Is there a message in WndProc that can be used to intercept a drop-down closing? Thank you very much. Carlo ------------------------------------------- Carlo, MCP (Windows Based Applications) carlodevREMOVE@gmail.com "Carlo" <carlodevREMOVE@gmail.com> schrieb: > I've not found an event that notify me when drop-down part of a BomboBox > is closed. OnDropDown just notify when the drop-down is displayed, not > when it is closed. > > Is there a message in WndProc that can be used to intercept a drop-down > closing? Listen for 'WM_COMMAND' of the parent window and check if 'wParam''s high-order word is 'CBN_CLOSEUP'.  SignatureM S Herfried K. Wagner M V P <URL:http://dotnet.mvps.org/> V B <URL:http://classicvb.org/petition/> Hello Herfried, thank you for your help. The problem is that I don't have a parent window available (do you means parent form?) because I'm working on a control that inherits from System.Windows.Forms.ComboBox. I checked all messages raised by WndProc of my ComboBox, but I've seen any WM_COMMAND. Carlo ------------------------------------------- Carlo, MCP (Windows Based Applications) carlodevREMOVE@gmail.com > "Carlo" <carlodevREMOVE@gmail.com> schrieb: >> I've not found an event that notify me when drop-down part of a BomboBox [quoted text clipped - 6 lines] > Listen for 'WM_COMMAND' of the parent window and check if 'wParam''s > high-order word is 'CBN_CLOSEUP'. > "Carlo" <carlodevREMOVE@gmail.com> schrieb: > > I've not found an event that notify me when drop-down part of a BomboBox [quoted text clipped - 6 lines] > Listen for 'WM_COMMAND' of the parent window and check if 'wParam''s > high-order word is 'CBN_CLOSEUP'. No need to use the parent window. All WM_COMMAND and WM_NOTIFY messages are reflected to the control itself. Use this: http://groups.google.se/group/microsoft.public.dotnet.framework.windowsforms/msg /579c8133581d8d1f?hl=sv /claes > > "Carlo" <carlodevREMOVE@gmail.com> schrieb: > > > I've not found an event that notify me when drop-down part of a BomboBox [quoted text clipped - 9 lines] > No need to use the parent window. All WM_COMMAND and WM_NOTIFY > messages are reflected to the control itself. Use this: http://groups.google.se/group/microsoft.public.dotnet.framework.windowsforms/msg /579c8133581d8d1f?hl=sv > /claes Just an addition. The above solution requires that you inherit the combobox If you, for some reason, don't want to inherit it, use Herfried's suggestion (the parent being the Form/Panel/whatever that the combobox is placed on) /claes This is exactly what I was searching for! Thank you to Herfried and thank you to Claes. Carlo ------------------------------------------- Carlo, MCP (Windows Based Applications) carlodevREMOVE@gmail.com >> "Carlo" <carlodevREMOVE@gmail.com> schrieb: >> > I've not found an event that notify me when drop-down part of a [quoted text clipped - 14 lines] > > /claes Free MagazinesGet these publications absolutely FREE for up to 12 months. There are no hidden fees and no obligation. Simply choose a title, complete the application form and submit it. Read more ...
|
Reply to this Message
|
 Sign In
 Join
 My Latest Posts My Monitored Threads My Blog My Photo Gallery My Profile My Homepage Start New Thread Enable EMail Alerts Rate this Thread
|
©2008 Advenet LLC Privacy Policy - Terms of Use
This website includes both content owned or controlled by Advenet as well as content owned or controlled by third parties.