VS 2008 - Cell Error Icon / Tooltip Not Showing
Apr 1, 2009
I am working on implementing cell level error indication in my app and I have it set up to where it shows the error icon correctly and I tried using the datagridview FAQ sample code to show an errortooltip as well. I can watch as I set the errortooltip to have the proper data and display control (in mousemove event), yet the second I finish my mousemove event it fires the mouseleave event and resets my tooltip before the user ever has a chance to see it.
Here's my:
' show and hide the tooltip for error
Private Sub ChuteSinglesDataGridView_CellMouseMove(ByVal sender As Object, ByVal e As DataGridViewCellMouseEventArgs) Handles ChuteSinglesDataGridView.CellMouseMove
If cellInError.X = e.ColumnIndex AndAlso cellInError.Y = e.RowIndex Then
Dim cell As DataGridViewCell = ChuteSinglesDataGridView(e.ColumnIndex, e.RowIndex)
[Code] .....
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Dec 29, 2009
How do I show the error icon and ToolTip when the user is editing the cell in dataGridView?
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Nov 24, 2009
How do I show the error icon when the user is editing the cell?
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Jul 23, 2009
I've read that more people have this issue, but it never seems solved. Anyone that knows how to solve this?
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Mar 13, 2009
I want to change default behaviour of tooltip and show it whenever a I need to. I have a registration form. When users leaves the current control, (when validating event is happenning more precisely) I validate the input text, if it's not valid then I set focus to the control again and I want then to show the tooltip, wether the mouse cursor is on the control or not.
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Oct 18, 2009
I have a notifyicon in my VB.NET application. At the start of the programm it goes to the system tray and adds some global hotkeys. If one of this keys is pressed, then a balloon tooltip appears. At design time I have set up the balloon icon as 'Info'. But when the balloon tooltip appears, no 'Info' icon comes up, only the standard balloon tooltip. However, when the icon type is set up to 'Error' or 'Warning', it works. Why this behaviour? (on Vista)
An another problem is, that I set the timeout property f.i. to 500 milliseconds, the balloon tooltip is even visible after some seconds too.
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Apr 4, 2010
Not a single site anywhere, and I have even tried the MSDN, that details in any specific language how to draw a custom icon into a tooltip.
I have tried using every format of image I can produce, including (but not limited to) ICO, PNG, GIF, BMP, JPG etc... But every time, the app debugger clouts me round the head in defiance.. Windows Vista CAN do it.. and as in the image above.. StarDock figured it out..
I know your policy is to have the askee produce their code first, but the thing for me is
Also, I wonder if it would not be possible to take the code that does do the whole shabang, and compile it into a DLL or something that I can just embed for future projects - again this can be uploaded for others to refer to.
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Oct 4, 2010
I m providing minimize to system tray feature in my application. For that I used Noticifation Icon. I used the followed snippet to show the Notification Icon Tooltip for 5 sec
Call NotificationIcon1.ShowBalloonTip(5000)
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May 6, 2009
I added a tooltip control in my form and set a tooltip for a checkbox. The tooltip shows fine until I check the checkbox... If I check the checkbox once and uncheck it, the tooltip never shows up when I hover the mouse over it... How to make the tooltip to show on mousehover no matter the checkbox is clicked or not?
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Feb 9, 2010
Every six minutes, my program talks to an instrument. Then, it activates a notify icon's tool tip for half a second to say what it did and when. According to the databases, everything's been going great, but the balloon tip text is a week behind and still trying to catch up. I'm getting text after text about stuff that happened last week. You should know that no one's touched the machine for at least a week. Because the program talks to the instrument every six minutes, the computer never hibernates, never shuts down, and the screen saver is off.
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Apr 15, 2010
I'm adding a ToolTip to a ListViewItem. However, the ToolTip only shows up when the user hovers over the first cell in the row to which the ToolTip has been applied.[code]Any idea how I can make the ToolTip show up on a specific cell in a row, or even the entire row?
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Aug 26, 2011
I have a dataGridView that I programatically create where I want to set the toolTipText differently for each row by setting the toolTipText in the first column/cell of each row. I know I can do that by doing the following:
myDataGridView.Rows(n).Cells(0).ToolTipText = varContainingText
This works fine. However, it only displays for the default period of time (5 seconds I believe). I'd like to set the autoPopDelay but can't seem to figure out how. I can't seem to do something like:
myDataGridView.Rows(n).Cells(0).autoPopDelay = 10000
This is not a valid reference. How do I set the autoPopDelay for this?
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Oct 15, 2011
I'm aware that the tooltip object can contain an image. I am unable to make an image popup when the mouse hovers over a datagridview cell, since it is not possible to attach a tooltip object to a cell ( myTip.SetToolTip(gridCell, "Hello") generates a compile error)
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Jul 20, 2011
How can you show the tooltip for datagridview when cell is selected, not from mouseover but from using the arrow keys?
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Nov 23, 2009
I am trying to trigger a tool tip when a user enters a cell in a DataGridView and starts editing it. The idea being that I want the user to know to hit the Return key after they are finished typing in a string in the cell. I only want the tool tip to show when the user is editing a cell in columindex 1.
The following below does note seem to be working.
Private Sub dataGridView14_CellEnter(ByVal sender As Object, _
ByVal e As DataGridViewCellEventArgs) _
Handles DataGridView14.CellEnter
'Only care about columnIndex 1
If e.ColumnIndex = 1 Then
[Code] .....
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Aug 8, 2009
I made a program and had an icon for it, well i recently when to chaneg the icon, the one that shows up on the desktop and when i did it now shows up as a window instead of what i want it to be, so i chanegd it back to he original icon and it is still the window
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May 3, 2010
I'm attempting to remake the Explorer to customize it some more. I know how to get Name, FileSize ect. Getting the Icon is hard though.
[Code]
The code i'm using to Insert the Icon into a image, i'm getting this error: Error1Value of type 'System. Drawing.Icon' cannot be converted to 'System.Drawing.Image'
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Jan 11, 2011
I changed default form icon in VB 2010. It worked perfect. But I re-changed this icon (form's icon property) to another icon, and when I debug or built the application it is still showing the old icon, through it shows it perfectly in design mode... What is the problem?
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Oct 10, 2009
I have created a project that uses a listview associated to an imagelist (LargeImagelist, I have set the size as 100 x 75 and 32 bit depth), that displays information from a database along with an image from the image list. My listview is set to tilemode so that I can control the size of the tiles to get two columns of six. The image list is populated when the form is loaded from all the images in a specific folder, this part is working appropriately as I can get a picturebox working consistently that references an image from the imagelist.
[Code]...
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Apr 11, 2011
I have a custom app which I deploy to my Win7 users, the app sets up a tray icon which is automatically hidden by the OS. The user then has to manually change the settings of the System Tray to always display my app's icon.What can I do when installing my app on Win7 to make the icon show in the System Tray without user-intervention?
|+--JDMils|+--VB6 & XL VBA+--VB Dot Net 2K8|
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Jan 5, 2011
I've got an unbound DGV with several columns that I am programmatically adding rows to. All working fine, apart from when I try to set a really long string in one of the cells, then that cell just appears blank. The string IS in the cell because if I select the cell and do this:
[Code]...
then the string gets copied to the clipboard and I can paste it into Notepad or whatever without a problem. So it is just purely a display issue... but it doesn't seem to make any difference if I resize the cell (horizontally or vertically) and I can't understand why it is doing this.
[Code]...
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Jun 1, 2010
The problem is that if you never enter anything into a cell for a new row then that cell is never validated. This is a problem because I have columns that should not be null. I am doing the check in the row level validation and storing the information about which cells are empty that should not be empty. The row level validation works fine and the row level validation error indicator goes on,(red exclamation mark at the beginning of the row) but I also need a visual indicator on the individual cells that are in error.
I am thinking that setting the HasError property for the cells that are in error should cause them to display n error style (the default red border). Is there a way to this this either from XAML (perferably) or from code?Alternatively I could cause those cells to re-validate when the row editing is finished. Does anyone know how to do this?
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Oct 4, 2009
How do I stop the new data row/cell value from being deleted if an error occurs. I am using the DATAERROR event to trap the error as shown below:
Private Sub RoomPricingDGV_DataError(ByVal sender As Object, ByVal e As System.Windows.Forms.DataGridViewDataErrorEventArgs) Handles RoomPricingDGV.DataError
e.Cancel = False
If e.ColumnIndex = 1 Or e.ColumnIndex = 2 Then
MsgBox("Invalid Date. Please Re-enter! ", MsgBoxStyle.Critical, "Room Pricing")
RoomPricingDGV.Columns(e.ColumnIndex).Selected = True
End If
e.ThrowException = False
End Sub
What I want to happen is to go to the cell automatically where the error has occurred and get the user to change it, not have to retype the whole data row or move back to the previous cell. When using the MSHFLEXGRID in VB6, it was fairly staightforward to do.
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Nov 15, 2011
I have a datagridView,which is filled with the Click of the Button.My Issue is i can see the data only when i select a row.When no row is selected by mouse then its just showing blank cell,whereas data is actually there in the datagridView.I know its something with the color setting from the DatagridView Properties.I have tried and corrected all the cell Style properties related with that DatagridView.And set the Cell Style properties exactly the same as of my other datagridview,which is working fine.
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Jul 28, 2009
I'm not sure exactly if the folder icon is in shell32.dll, but nonetheless if it is.Basically, whenever I come across a folder in a FileSystem list, I want to add the icon for a folder to the image list that I am using for the ListView. The problem is that I'm not sure how to reference a specific icon location in a icon collection in a dll.Is this possible with Icon.ExtractAssociatedIcon and shell32.dll?
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Dec 16, 2009
how to hide bollon tooltip When user click on the ballon tooltip?
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May 5, 2009
We sporadically get errors when we try to update a tool tip, like this:
ToolTip.SetToolTip(myLabel, customDataStructure)
The error we get is a NullReferenceException: Object reference not set to an instance of an object
Does anyone know the cause of this? Is a simple Try/Catch that eats the NullReferenceException a feasible option? We don't want our entire application to blow up when we get this.
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Dec 6, 2011
I have the following code in "Custom Code" in SSRS 2008. It works fine in VS2008 but it won't run on the server:
Public Shared Function Ns(ByVal num as Object, ByVal def as Object) as Object
if IsNothing(num) OrElse Not IsNumeric(num) OrElse System.Double.IsNaN(num) then
return def
[code].....
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Jun 22, 2010
Does anyone know if it's possible to skin the tooltip window so it looks like: Attachment 2448.Instead of the yellow box or the balloon like it does now?
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Jan 27, 2012
I try to compile a project with msbuild.exe I have this error :
vbc : error BC30136: Error creating Win32 resources: Error reading icon '"Recycle Bin Empty.ico"' -- The filename, directory name, or volume label syntax is incorrect.
This icon is the Application icon which is in the same directory of the project.vbc is started with /win32icon:"Recycle Bin Empty.ico" parameter.Don't know why MSBuild can't reach the file.
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