Author |
Message |
Topic: VirtualTree Spanning Columns |
medbiller
Replies: 3
Views: 20248
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Forum: Virtual Tree Support Posted: Wed Jul 18, 2018 11:47 pm Subject: VirtualTree Spanning Columns |
Hi:
I have a virtual tree databound to a dataset with 4 datatables. Somewhere in table 2 an empty row would purposely show. I need to show here something like: "Drag here payments not matched to ... |
Topic: Cannot show autocomplete in textbox cell editor. |
medbiller
Replies: 1
Views: 16271
|
Forum: Virtual Tree Support Posted: Sun Feb 14, 2016 9:05 pm Subject: Cannot show autocomplete in textbox cell editor. |
I have the following code:
Private Sub CellEditorTxtResult_SetControlValue(sender As Object, e As Infralution.Controls.VirtualTree.CellEditorSetValueEventArgs) Handles CellEditorTxtResu ... |
Topic: Cannot add cell editor in VS2010 UI |
medbiller
Replies: 1
Views: 17177
|
Forum: Virtual Tree Support Posted: Sun Mar 01, 2015 11:24 pm Subject: Cannot add cell editor in VS2010 UI |
The first time I tried to add a cell editor to a version 4.8.4 virtual tree with defined columns but no editors I get the dropdown box in the 'New Cell Editor' dialog with the default selection 'Infra ... |
Topic: v4.8.3 breaks with null reference exception on vt.FindRow() |
medbiller
Replies: 3
Views: 22170
|
Forum: Virtual Tree Support Posted: Wed Dec 31, 2014 12:09 am Subject: vTree 4.8.3 exception stack trace |
See the end of this message for details on invoking
just-in-time (JIT) debugging instead of this dialog box.
************** Exception Text **************
System.NullReferenceException: Object re ... |
Topic: v4.8.3 breaks with null reference exception on vt.FindRow() |
medbiller
Replies: 3
Views: 22170
|
Forum: Virtual Tree Support Posted: Tue Dec 30, 2014 5:06 pm Subject: v4.8.3 breaks with null reference exception on vt.FindRow() |
Hi:
Recently I updated from vTree v4.7.0 to v4.8.3 The following code breaks at Dim vtrw As Row = vt.FindRow(drw) with a null reference error. It had been running well for 5 years before the update. ... |
Topic: VS2010 Breaks when changing column properties...? |
medbiller
Replies: 3
Views: 21421
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Forum: Virtual Tree Support Posted: Wed Jan 15, 2014 11:49 pm Subject: VS2010 Breaks when changing column properties...? |
Right. Thanks. |
Topic: VS2010 Breaks when changing column properties...? |
medbiller
Replies: 3
Views: 21421
|
Forum: Virtual Tree Support Posted: Wed Jan 15, 2014 3:06 am Subject: VS2010 Breaks when changing column properties...? |
1. Create a new Windows Forms app.
2. Drop Virtual Tree on a form.
3. Add Column 1
4. Set Column1's Prefix Column = True.
5. Set Main Column = True
6. Boom!
I get 'MS Visual Studio needs to cl ... |
Topic: Cross-thread operation not valid: Control '' accessed from a |
medbiller
Replies: 8
Views: 22525
|
Forum: Virtual Tree Support Posted: Tue Aug 27, 2013 12:49 pm Subject: CheckBox editor problems - Improving. Some CkBoxes disappear |
Thanks so much for your concern & time. Here is what we've done so far.
1. Leave the CellEditor hosting a Checkbox bound to the corresponding column BUT without any event handlers implemented. Th ... |
Topic: Cross-thread operation not valid: Control '' accessed from a |
medbiller
Replies: 8
Views: 22525
|
Forum: Virtual Tree Support Posted: Fri Aug 23, 2013 5:01 am Subject: CheckBox control disangaged & displayed outside row. |
Thanks for your response. Your File Browser example doesn't scale to a DataTable or DataSet with 1000 rows or more. How many drives a computer can have? Probably from A: to Z: at the most. Can't compa ... |
Topic: Cross-thread operation not valid: Control '' accessed from a |
medbiller
Replies: 8
Views: 22525
|
Forum: Virtual Tree Support Posted: Thu Aug 22, 2013 11:52 am Subject: CheckBox dissapearing or disengaging from VTree Row |
How about the 2nd issue explained in my post (please re-read):
"Cannot replicate the error when clicking on child table 'Res' checkbox. When clicking on parent table's checkbox & scrolling t ... |
Topic: Cross-thread operation not valid: Control '' accessed from a |
medbiller
Replies: 8
Views: 22525
|
Forum: Virtual Tree Support Posted: Wed Aug 21, 2013 8:27 pm Subject: Cross-thread operation not valid: Control '' accessed from a |
"Cross-thread operation not valid: Control '' accessed from a thread other than the thread it was created on."
This happens after 2 or 3 minutes of checking/unchecking a level 1 checkbox ce ... |
Topic: Virtual Tree ensure row visible |
medbiller
Replies: 1
Views: 10301
|
Forum: Virtual Tree Support Posted: Wed Aug 21, 2013 5:58 pm Subject: Virtual Tree ensure row visible |
Hi: I'm using the underlying DataTable & DatarRows to find a particular unseen VTree Row using the following;
If condition
Dim rw as RowVTree.FindRow(DataRow)
rw.selected=True
... |
Topic: Lookup field () cannot be used because the table (dtProcs1) |
medbiller
Replies: 2
Views: 11782
|
Forum: Virtual Tree Support Posted: Wed Jul 31, 2013 11:14 am Subject: LookupField = '' Caused warning message in imediate window |
Yes indeed. I found the statement DataRowCellBinding190.LookupField = "" under the column proc1From block in the designer code. Changed it to DataRowCellBinding190.LookupField = Nothing and ... |
Topic: Lookup field () cannot be used because the table (dtProcs1) |
medbiller
Replies: 2
Views: 11782
|
Forum: Virtual Tree Support Posted: Mon Jul 29, 2013 1:43 am Subject: Lookup field () cannot be used because the table (dtProcs1) |
Hi,
I have a Virtual Tree that apparently works fine, but when debugging the application we get the following message in VS2010's Inmediate window, when the vTree data source is set.
VirtualTree: ... |
Topic: Memory Leak Virtual Tree 4.5.0.0 |
medbiller
Replies: 6
Views: 17300
|
Forum: Virtual Tree Support Posted: Wed Feb 06, 2013 10:24 pm Subject: Memory Leak |
Hi:
We already tried all combinations of GC.Collect with/without GC.WaitForPendingFinalizers, etc. Also Me.Dispose in the FormClosed Event. PerfMon always shows #Bytes in all Heaps & Private Byt ... |
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