virtualtreeview Questions
1
I have an instance of TVirtualStringTree that formats text of a node in two different ways. The implementation is based on using toShowStaticText in the StringOptions as described in the accepted a...
Chalfant asked 29/11, 2016 at 18:30
2
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I use VirtualStringTree (VST) to display data that is grouped, header-details. I need to have an option to allow user to expand, collapse headers to see details and in some cases I need to show dat...
Oversize asked 10/3, 2016 at 16:42
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Does anyone happen to know if there is a Firemonkey version of the popular VirtualTreeView in preparation? Also, has anybody collected some experiences with porting custom controls to Firemonkey an...
Idellaidelle asked 15/9, 2011 at 15:15
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When using VirtualStringTree to add accessibility support it is required to include the unit VirtualTrees.Accessibility in the uses section. This works in Delphi.
The equivalent of this in C++ Bui...
Allanadale asked 7/2, 2020 at 14:3
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We've started using VirtualTreeView v5.5.3 with Delphi7 since 1 year and love it!
We would like to use the full potential of the component, but there is only a little information about the BeginSy...
Sagamore asked 4/9, 2019 at 4:21
4
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This question will seem obvious to those who haven't encountered the problem themselves.
I need to handle selection changes in VTV. I have a flat list of nodes. I need to do stuff with all current...
Bullpen asked 3/11, 2011 at 13:18
6
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I have come to the point where I need to stop storing my data in a VCL component, and have an "underlying datastructure", as Mr. Rob Kennedy suggested.
First of all, this question is about "how do...
Frivolity asked 19/3, 2011 at 22:29
0
I want to use a custom Hint window class for my entire application.
I use the Application.OnShowHint, analyze the THintInfo, and return my own TMyHintWindow in the HintInfo.HintWindowClass. This w...
Latex asked 24/6, 2017 at 9:20
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I have a component of type TVirtualStringTree (let us call it VST). It has nodes in the form of a list, i.e. all the nodes are at the same level. I want to change a focus after deleting a node (wit...
Nowt asked 18/6, 2017 at 18:42
3
I'm trying to create node with TButton.
I Create the node and the buttons linked to the nodes.
On the event TVirtualStringTree.AfterCellPaint, I initialise the BoundsRect on the button. But the but...
Rihana asked 18/2, 2015 at 8:51
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In a Delphi VCL project, I have created a simple TVirtualStringTree with two columns. The first column will contain text identifying the Name of the data being represented. The data record also con...
Cockayne asked 8/5, 2017 at 23:35
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I'm maintaining the VirtualTreeView component for Delphi and C++Builder. With Delphi everything is okay but when I compile the packages with the C++Builder the code in the initialization part in th...
Aryanize asked 16/11, 2015 at 14:49
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I have a need to fill in (with black) the little white square that I've highlighted in the picture below.
I have tried adding extra columns. I have tried expanding the PaintInfo.PaintRectangle. I ...
Guardsman asked 6/10, 2015 at 15:43
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I want to implement a search function in my virtualtreeview. And I want to highlight or underline the searched word in the nodes.
How can I do this?
Thank you
Farrah asked 13/8, 2015 at 9:51
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I would like to highlight the text from a node of VirtualStringTree according to search criteria like example from bellow:
Any suggestion please?
Incorrect asked 29/4, 2015 at 13:30
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I've got a list of nodes. I would like to add a drag-and-drop-to-rearrange feature, but I don't know how to go about doing this.
I tried using TVirtualStringTree's OnDragDrop event, but I couldn't...
Yammer asked 13/12, 2011 at 10:6
3
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I want to change the color of text in a specific row of a virtual string tree. is it possible?
Acidity asked 23/7, 2010 at 1:33
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I am attempting to create a view in TVirtualStringTree which will be similar to something like this:
In the above example I have shown some of the possible scenarios I want to reach. FolderA has...
Kentiga asked 3/12, 2014 at 15:19
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It's easy to check that node is visible. But I don't know how to rightly define that node is presented on screen. I can find out only so:
BottomNode := Tree.BottomNode;
Node := Tree.TopNode;
IdBo...
Patino asked 10/3, 2014 at 10:27
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When I use toUseExplorerTheme in TVirtualStringTree.PaintOptions it draws the selection like this:
Notice that the selection extends from the left side of the control to the position of the righ...
Marine asked 17/12, 2013 at 15:3
1
I have a VST with 3 columns that evenly take the available space.
I have set hoAutoSpring in Header.Options, and
all columns have Column[x].Option have coAutoSpring set.
Now I want to be able to ...
Standley asked 14/11, 2013 at 13:5
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I just discovered that using the Option toUseExplorerTheme allows to produce a nice selection rectangle for a VirtualStringTree. However, if the Option toGridExtensions is set and there are several...
Dekeles asked 26/9, 2013 at 13:59
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My tree has 2 levels of nodes - it's a Contact List style tree.
My problem is, that I would like to have every contact checked, in all the "Contact Categories". Here is a screenshot of my contact ...
Britnibrito asked 8/4, 2011 at 14:28
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I'm using Virtual TreeView V5.0.1 (06 Sep 2012) in Delphi XE2. Setting CheckBox := True on a header column property does not enables the checkbox, so here's the question, how do I enable checkboxes...
Force asked 4/10, 2012 at 13:9
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I'm trying to build a simple 2 columns grid "property editor" based on VirtualTreeView.
(I want to mimic look and user experience seen on Delphi's IDE object inspector)
The component is working...
Croce asked 2/6, 2012 at 0:8
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