virtualtreeview Questions
1
Solved
Alright I got something really tricky here...
I would like to DRAW/USE Headers to a ChildNode.
I think the idea is reasonable because it would look amazing to have headers in subnodes so the childn...
Womanize asked 27/8, 2012 at 17:0
1
Solved
I would like to select either all root nodes or all child nodes (not all nodes in a VirtualTreeView).
I've tried to use this code to select all root nodes:
procedure SelectAllRoots;
var
Node: PVi...
Gerfen asked 27/8, 2012 at 12:45
1
Solved
I want to make my columns in a VirtualStringTree to have the same indentation on the left and on the right side of the content when auto sizing a column.
Take a look at my sample VST with Header Op...
Lustral asked 20/7, 2012 at 8:55
1
I am using TVirtualTreeView as an excellent alternative to the old TStringgrid.
On one feature that I am missing though, is the possibility to make selections of an any area of cells (other than a...
Dunagan asked 7/12, 2011 at 13:33
3
Solved
How can I use my own custom buttons (images) to replace the default [-]/[+] buttons in the VST?
I want to use arrows instead (, ), but also to support RTL bidi mode (, ).
edit: I am aware of the b...
Highbrow asked 17/5, 2012 at 14:33
1
Solved
I'm using VT.Background to display a background image in VT with a few columns.
But I can't find a way to use different colors for cells because they hide the background image.
I have tried to us...
Manwell asked 10/5, 2012 at 15:11
1
Solved
I have an array holds data will be represented on TVirtualStringTree. This array is thread-safe and lockable. And grown by another thread.
My problem is that, when VST executes OnMeasureItem event...
Venality asked 15/4, 2012 at 7:53
1
Solved
I have learned how to use TVirtualStringTree, and I've found it excellent. I have one custom non-visual list called PackedList which is filled by another thread. And I want to show all list content...
Afterheat asked 6/4, 2012 at 13:37
1
Solved
I'm using Virtual Tree List for delphi 2009. I've created a tree with data such as:
type
PTreeData = ^TTreeData;
TTreeData = record
FCaption: String;
FPath: String;
end;
I want to iterate o...
Informative asked 5/3, 2012 at 13:22
2
Solved
So, my end game here is to have a way to list items (like a TListView in vsReport) with the add/remove buttons inside the client area.
Ex:
|----------------|
|Old Item 1 X |
|Old Item 2 X |
|Add ...
Benefaction asked 27/12, 2011 at 23:51
2
Solved
TVirtualStringTree behaves by default if it is focused - it will scroll on mouse wheel even if mouse is not over control (except if it is over another TVirtualStringTree).
Is there a quick and ele...
Claviform asked 2/12, 2011 at 2:15
2
Solved
I am using Delphi2010 and trying to wrap my head around using VirtualStringTree.
I've been trying to get it to work with objects and was having no luck until I followed Philipp Frenzel's Virtual T...
Portugal asked 4/11, 2011 at 6:3
1
Solved
I am trying to get a result that looks like this out of TVirtualStringTree:
I believe that it might be possible either directly with TVirtualStringTree (the main Virtual Treeview control by Mike...
Barbuto asked 29/8, 2011 at 16:7
2
if I'm not mistaken it's not possible to have invisible nodes in a
TVirtualStringTree treeview, as there are no enabled, visible or other
properties to do so. Am I right about this?
If yes, how di...
Micahmicawber asked 23/8, 2011 at 17:55
1
Solved
I'm converting a tree view from the standard TTreeView to use TVirtualStringTree. My final challenge is to implement a feature where I need to draw a 'pass/fail' status indicator on top of the know...
Thirst asked 3/6, 2011 at 13:22
1
Solved
So I have been messing with creating my own separate data structure. I finally got it working, but then I discovered that the memory usage was ridiculously high compared to the old method.
To test...
Brevity asked 13/5, 2011 at 14:0
4
I'm in need of a tree-implementation that I can use with Virtual Treeview, that does not consume too much memory, is easy to use, and as fast as VT (that is, when I store my data in the VT itself)
...
Contagion asked 9/5, 2011 at 11:7
2
Virtual treeview by Mike Lischke seems so popular on the web and as third party component. I just downloaded version 4.8.7 on my machine.
I have Delphi 2010 and Delphi 7.0 in 2 partitions.
Aftte...
Apia asked 10/2, 2011 at 12:36
1
Solved
My application will be looping thru the Virtual Nodes and check their data. I am using another form to do this than the form containing the VirtualStringTree. (I got my reasons ;) )
My question is...
Tapir asked 4/2, 2011 at 20:13
3
Solved
I guess everyone who had ever used Delphi's VirtualStringTree will agree that it is a great control. It is a "virtual" control (your data must be held somewhere else) so I was thinking what data st...
Jelene asked 16/1, 2011 at 20:50
3
Solved
Yeah, I know I post a lot of questions, but thats because I either need assurance that I am doing it right, what I am doing wrong, or if I am totally clueless, and cant find anything in the documen...
Incantation asked 14/1, 2011 at 23:10
2
I have been trying to figure these 2 things out:
1) How do I change the whole row's color in code? Like, when the VT looks like a ListView?
2) How do I make the Checkboxes indent aswell? My child...
Vilmavim asked 11/1, 2011 at 13:5
5
Solved
I am trying to build my projects with a VirtualStringTree rather than a Listview, because of the vast speed difference. The thing is, even after looking thru the demo's, I just can't figure out exa...
Decennium asked 3/1, 2011 at 17:38
2
Solved
There is extensive drag and drop support in VirtualTreeView by Mike Lischke, and I am using TVirtualStringTree, which has some on-drag-and-drop events, but I can not figure out how to get it to acc...
Dukedom asked 22/9, 2010 at 14:12
5
Solved
I have an app that loads records from a binary log file and displays them in a virtual TListView. There are potentially millions of records in a file, and the display can be filtered by the user, s...
Zulemazullo asked 11/5, 2010 at 21:24
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