C# - TableLayoutPanel GetControlFromPosition Does Not Get Non-visible Controls?
Aug 22, 2011
I'm using a TableLayoutPanel and I want to get the control at a specific position in the TableLayoutPanel. I want to iterate over the rows and columns of TableLayoutPanel but this question applies equally if I just wanted a single control at a specific row and column.Unfortunately GetControlFromPosition(int column, int row) only retrieves controls that are visible (that is their Visible property is set to True). This is no good to me as sometimes I want to access a control at a specific position that is not visible and then make it visible.
I have had to resort to iterating over the TableLayoutPanel.Controls collection, and then get the position of each control using GetPositionFromControl(Control control) or GetCellPosition(Control control) until I find the position I want.(I'm not sure of the difference between GetPositionFromControl and GetCellPosition methods as MS documentation is meagre, but I'll ask that question separately).
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Mar 26, 2009
I want to create a 2-high, 6-wide grid with labels in the top row and text boxes in the bottom row. Creating the six labels and the six text boxes is easy. Main Question: How do I stuff them into the TableLayoutPanel at the locations I want?I assume that I write the labels as I would any other label, and read and write the text boxes as I would any other text box.Secondary question: Why do all Microsoft's examples do stuff I never need to do, and never do the simple stuff I need to do?
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Aug 6, 2009
If I make a TableLayoutPanel and add 10 labels to it like this[code]...
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Mar 25, 2012
For a winForm I'm building, I'm working with a TableLayoutPanel which has an arbitrary number of Textboxes and two buttons to add or remove boxes, + and -. The + and - buttons appear directly below the Textbox to which the user has given focus like so:
[Code]...
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Jun 1, 2011
I generate controls for a TableLayoutPanel dynamically. I have a delete button in each row. When I click that, that row has to be removed.[code]...
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Jul 17, 2009
I have a class here that is misbehaving, and I can't understand why.Basically, when resizing to make this Form smaller, the buttons begin to extend outside of the TableLayoutPanel that contains them. This is not ideal.This is not an issue about resizing, my project does not allow resizing the main form, the problem occurs on my form before any resizing takes place; I simply demonstrate that the problem gets worse when resizing here as additional information.
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Feb 17, 2012
I am dynamically displaying some controls in a TableLayoutPanel. The problem I'm faced with is that I want the controls to be displayed in a specific order, instead of just filling the TableLayoutPanel from 0,0 till the end of the panel.
I have 5 columns and 5 rows.
1st row is for buttons only, 2nd row for combobox, 3rd row for radio button.
I want it to be displayed like this:
Button1 Button2 Button3
Combobox1 Combobox2
RadioButton1 RadioButton2 RadioButton3 RadioButton4 RadioButton5
[Code]....
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Aug 31, 2009
When I add a control to a TLP in design mode several new properties get added to the control, such as ColumnSpan, RowSpan, etc, which can then be set in the properties window. If I add a control to a TLP in code these properties don't seem to be available. how to set these properties in code if it's even possible?
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Jun 13, 2009
i want insert a text into tablelayoutpanel cells..present i am inserting with the help of labels i am placing into cells..but it takes more time..so i decided to any other way to do this one.
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Aug 14, 2009
I have a bunch of controls loaded into the same row/column in a TableLayoutPanel. I only have one at controls visible property set to TRUE at a given time. I want to be able to loop through the controls that specific row/column position in the TableLayoutPanel and test for a condition (control type) and then set this control's property to TRUE and all others to FALSE. Bascially I am turning controls on/off.
I know can loop through an entire TableLayoutPanel like this:
For each control in TableLAyoutPanel.Controls
Next
How do I restrict this loop to a specific row/column in the TableLayoutPAnel? Can you qualify where specifically you want to look in the container control?
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Jun 20, 2009
i am creating TableLayoutpanel dynamically and placing labels in each cell..and i given label Dock Property Fill. all or ok But TableLayoutpanel Right side Border and Bottom Side border not displaying properly.
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Apr 16, 2011
When I place a control on a form and need to move it, it becomes invisible when I click the mouse to move . What did I accidently change? I use to be able to see it before.
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Sep 11, 2011
I would like to list all visible controls in a form, I use reflection to do this, I have done what I want, but I have to write code for specifics controls that doesnt exist in the Framework, so i would like to know if there is some code to do that generic for any control (even third party controls).
Private Sub LlenarArbolFormularios(ByVal Arbol As TreeList)
Dim parentForRootNodes As TreeListNode = Nothing
Dim tipos() As Type = System.Reflection.Assembly.GetExecutingAssembly().GetTypes()[code]......
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Jun 6, 2011
I recently uninstalled an IDE for a motion control system (Delta Tau) that is a visual studio based product. Now when I bring up my Visual Basic 2008 IDE that I'm using to write an HMI for the control system, the properties for controls placed on forms doesn't appear in the properties window. And if I click on properties for a form I get the FileProperties2 information, not the form control properties such as size, location, or color. I am also not able to access the controls in the VB toolbox to place on a form. The controls are grayed out and unavailable. what part of Visual Studio 2008 got broke in the Delta Tau uninstall?
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Mar 26, 2012
I am trying to see all the labels in Me.Controls and when I use:
For Each Control As Label In Me.Controls.OfType(Of Label)()
MsgBox(Control.Name.ToString)
Next
it only shows the labels that have NOT been renamed
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Dec 21, 2009
if I set the property Opacity = 0, a form becomes transparent... but become transparent all it controls, too!how to make transparent ONLY the form and let the controls, labels, buttons etc. visible??
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Mar 15, 2009
I am adding a several controls to a groupbox dynamically, but I can only see one of them. I am changing the location for each one just a little so so they should all be visible. When I count the rows in "dtOptionGroupOption it returns the correct #.
'Starting location for Options.
Dim intOptionLocationX As Integer = 0
Dim intOptionLocationY As Integer = 10
[code]....
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Aug 20, 2010
When I make my form Opacity 0% everything disappears including controls that I know will happen im not dumb ok so I tried another method using Transparency Key I had success BUT my problem there is that when I have a picture box and an image IN the picture box around the image is the Form Background color so lets say I picked Maroon for Form1.BackColor, The edges of my image is Maroon
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Nov 20, 2009
I have a form with six picture boxes on it. Each Picture Box has a button underneath it. When the button in clicked, a "Label" and "Textbox" appears. My question is, how can I close the currently open "Label" and "Textbox", when I click another button. I have a working code below, but it's not efficient. As you can see, I will have to list all labels and textboxes on the form. Is there a way to identify all labels and textboxes without naming them all. [code]...
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Feb 16, 2012
I am having trouble finding a way to make the form transparent but the controls still visible. The only transparency I have been able to get to work on the form is
Me.Opacity = <value between 0 and 1>
but that affects all the controls on the form Is there a way to make the controls not inherit this property from the form? Is there another way to make the form transparent? I have buttons and a checkbox that I don't want to be affected by the transparency at all, and a picturebox that I do want to be able to control the level of transparency. Currently, I'm using a slider bar, and controlling the opacity of the form, but that makes everything on the form transparent. I'd actually like for the form itself to be completely invisible, and for my slider bar to control the opacity of the picturebox only.
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May 1, 2012
if I set the property Opacity = 0, a form becomes transparent... but become transparent all it controls, too!how to make transparent ONLY the form and let the controls, labels, buttons etc. visible??
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Jan 27, 2010
I want my form to be invisible but I want the buttons and list-box to still be visible. So basicaly I want a bunch of floating buttons and listboxes on my screen.
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Dec 30, 2009
But I don't know if i posted this at the right place. I am making 40 textboxes inside a panel. And this textboxes I set it to visible=FALSE. Then I have another textbox named txtNoteam in which once the user will enter a number in this txtbox which is less than or equal to 40, those textboxes will be set to true starting from textbox1 to textbox40 depending on the number entered by the user. Example: user enters 3, then textbox 1 to textbox 3 will be set to visible.
I was successful in doing this except one thing, instead of textbox 1 to textbox 3 will be set to visible, it's the textbox 38 to textbox 40 will be set first. This means it will start from the last textbox to the first textbox instead of from textbox1 to the last textbox.
I need your help on what should I do for this to be able to set it to visible from the 1st textbox to the last textbox or is there any other ways of doing this?
[Code]...
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Mar 18, 2011
I am working on a spreadsheet-like custom control, manually painting all cells according to its bounds and indexes. All is working fine until I populate it to upto a hundred rows (with fixed 6 columns). Basically my sheet expands itself to fit all cells, so to use it properly on a form, I use a panel with autoscroll = true and with my sheet inside. The problem is, the control flickers a lot, which I think is caused by painting ALL of the cells. Is there a way to paint only the visible area.?? So when I scroll down, the control would paint only the visible cells on that area. What I am thinking right now is to not put it in a container, but rather, put a scrollbar in my control. Then that scrollbar would then handle the setting of visible cells, and then my paint event would only paint that visible cells. I am using VB btw, .NET 3.5.. I cant put the code in here cause its separated in different classes(Cell, CellCollection, Rows, Columns, Range, Worksheet, etc.)
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Jun 12, 2012
I have a BackgroundWorker and the DoWork event, calls a function called "JustMe", it executes a loop to make visible all the controls on a panel, but does not work vb.net
Private Function JustMe As Boolean For Each ctr As Control In Panel1.Controls ctr.Visible = True Next Return True End Function Private Sub BackgroundWorker1_DoWork(ByVal sender As System.Object, ByVal e As System.ComponentModel.DoWorkEventArgs) Handles BackgroundWorker1.DoWork
JustMe()
End Sub
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Jun 2, 2011
Still using VS 2005. My concept is to use the same form space to display different "pages", like a "wizard" where you click the [Next] button, and the current UI disappears and a new UI appears. I want to "turn off" multiple controls and "turn on" multiple other controls. Example code: -
Private Sub
Button4_Click(ByVal
sender
[Code].....
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Feb 12, 2010
i use a picture control in mdi form .. but when i load child froms then mdi form picture are also show in front of child form...
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Jan 14, 2010
I need to print a windows form which contains radio buttons, checkboxes, and other controls.
Printform doesn't work - even with the scrollable option it only prints the visible screen.
The PrintDocument doesn't work, because I can't add controls to it.
I can't capture the screen image, because the form occupies more than the visible screen.
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May 9, 2012
I am using the Tabcontrol with autoscroll = True feature, when i make hidden controls visible on the tab there position is out of place, one work around for this is to set the scroll position to 0,0 by doing this...
[Code]....
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Jan 28, 2009
I've got a panel - that's in a group box. All of this - with lots of other textboxes on labels - is in another panel (the big panel).I make the big panel visible and not visible based on selections made by the user.This small panel - that's in the group box. I cannot seem to make it appear.Even if I leave it VISIBLE at design time - the objects in it will not appear.Is there some kind of nesting problem that I'm not aware of!
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