I have a ListView with 3 columns and would like to edit the third column, aka Subitem. If I set ListView.ReadOnly to False, it allows me to edit the caption of the selected item. Is there an easy way to do the same thing for the subitem? I would like to stay away from adding a borderless control on top that does the editing.
If you ever used the Microsoft ListView control in report mode to emulate data grids, you already know that ListView has some annoying drawbacks. At some point you may need editable ListView with the ability to edit all strings displayed in it, but editing ListView subitems is not possible out-of-the-box.
But you cannot enable editing of ListView subitems by setting a similar property. You need extra code snippets to implement subitems editing and think how to reuse this code for every editable ListView in your app.
There are plenty of examples in the Internet demonstrating the same basic technique of editing ListView subitems in C# or VB.NET. The idea of those solutions is simple: place an additional textbox control over the clicked ListView subitem, copy the subitem's text to the textbox and activate it. There should be also event handlers to process the Enter/Esc keys and mouse clicks outside of the textbox editor to commit or cancel editing of the ListView subitem.
This solution is robust enough. Note that it is based on another derived C# ListView control providing the Scroll event (you can find a link to this solution in Nemesis's answer). And you also need to have an additional hidden textbox control on your form or create it on the fly when the user is about to edit a ListView subitem.
Ok, so I have a listview on one form, and when a button is pressed it opens up a new form with the contents of the selected listview item and it's subitems in a series of textboxes. The user can then change the data in the textboxes and either press save to make the changes or cancel to close the window.What command would I use to change the selected listview item and subitems to whatever is in the boxes?
As i read i the MSDN library Listview only offers the possibility to edit the first item (with theLabelEdit property) but not its subitems. But they also wrote: "When the LabelEdit property is set to true , the user is able to modify the text of an item by clicking the item text to select it and then clicking the item text again to put the label text into edit mode. [..] The text of subitems cannot be modified if this property is set to true .To change the text of subitems, you can display a dialog box to users when they double-click a subitem in the control. "
This event must be fired by your extension whenever an edit happens in a custom editor. An edit can beanything from changing some text, to cropping an image, to reordering a list. Your extension is free todefine what an edit is and what data is stored on each edit.
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