Autoscroll X.panel According To T.panel's Scroll Position
Mar 19, 2009
This is for a mapping/plotting program.
t.panel is the main panel and it has too much content to fit in one screen so there are scroll bars. x.panel contains the horizontal scale for the data points in t.panel. I drew the scale using a bitmap and set it as x.panel's background.
Setting x.panel's horizontalscroll.value = t.panel's horizontalscroll.maximum doesn't seem to work. I think this is because x.panel's doesn't have any content that causes it to need scroll bars.
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Aug 30, 2009
I'm trying to make an autoscroll enabled panel that will scroll if the mouseposition.x > panel.location.y However, I cannot seem to find a panel.scroll() function. Is there a way to programable make the control scroll?
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Oct 7, 2011
I am using a panel control in vb.net (2010) to build a timeline of images. These are very small images (320x180) and I am running into a limit of 240. While the panel does not complain when I add more - it will only scroll to the 240th one.[code]...
I am counting on some of the built-in functionality of the panel in autoscroll mode (being able to bring any of the thumbnails into view), etc. I am certainly not averse to purchasing a third party control for this. I really need to be able to display 1000 or more thumbnails!
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May 17, 2009
I have a Panel set to Auto Scroll and a Picture Box inside of the Panel that's set to Auto Size. I can use the scroll bars, but why wont my mouse wheel scroll the panel up and down?
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Jan 17, 2011
I have a problem with a certain panel in another panel.
I have declared a panel on my mainform that is called panel1 ( dock: fill)
In this panel is another panel ( panelmain )with size 10.000, 10.000 pixels. Now I put the auto scroll property of panel1 to true, so then the panel1 has scrollbars on both sides and can show the whole panelmain.
Now the user has the ability to zoom, which basically means that I just scale Panelmain with all it's child controls.
Like Panelmain.Scale(0.95) ( To zoom out )
And panelmain.scale( 1.05) ( To zoom in)
This works well, but when the user is using the scrollbars in panel1 and after that zooms in ( or out ) the location of panelmain is changing. So I tried to solve this by docking panelmain inside panel1 at the left. But now the vertical scrollbar is gone. how I should dock panalemain inside panel1 to prevent panelmain from moving around but also in a way that both the horizontal as the vertical scrollbar are present?
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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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Feb 5, 2009
I've recently decided to take a huge leap and migrate from my good old VB 6.0 to VB.NET, since VB 6.0 was proved to be fairly insufficient for my needs. So, I took a deep breath, loaded myself with a lot of patience and...here I am!The transition from VB 6.0 code to VB.NET seemed quite buffling in the beginning, but later on it proved to be pretty straightforward.So, now, I've decided to get my feet wet and develope my first VB.NET appication.The reason I'm here is that I would like an evaluation of my first code snippet in terms of efficiency, productivity and so on.
A description of what I'm doing is this: On a Windows form, docked at the left side, I have a panel set to AutoScroll. Inside it I've placed a number of panels, each one with a ToolStrip, having a button to collapse or expand the panel.It works so far, but I don't know how efficient my code is. Here is the code of a generic Click Event that handles the clicks of all toolstrip buttons.Each button has a Tag to indicate the state (expanded or collapsed) and each panel has a numeric tag for the height it would have when expanded.
Here is the code.
Private Sub Buttonclick(ByVal sender As System.Object, ByVal e As System.EventArgs) _
Handles TSB_1.Click, TSB_2.Click, TSB_3.Click, TSB_4.Click, _
TSB_5.Click, TSB_6.Click
[CODE]...
So...what I would like to have is an evaluaion of this small code. It seems to be a bit larger than the code I could write in VB 6.0 and I'm sure that there is a better way.
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Jun 6, 2009
I need to center the red panel in the middle of the dark grey panel, when you resize the form the red panel should be in the middle, and the red panel can't be resize, anyone have a code or property to do this?
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Jun 12, 2011
I am loading several command buttons into it (one in each grid box). I have the panel set to autoscroll. When TableLayoutPanel is set to AddColumns, all works well. However, I dont want horizontal scroll, I want vertical. When I set TableLayoutPanel to AddRows, a vertical scrollbar will not appear.
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Aug 19, 2009
i have 2 controls on a form. Panel1 and picturebox. I am using the following code to zoom in.
PicBox.Width = PicBox.Width + 100
PicBox.Height = PicBox.Height + 75
'PicBox.Left = PicBox.Left - 50
'PicBox1st.Top = PicBox.Top - 20
i am also using the following code to try and scroll whilst zoomed in
Inherits System.Windows.Forms.Form
Private m_PanStartPoint As New Point
Private Sub picbox_MouseDown(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles PicBox.MouseDown
'Capture the initial point
[code]....
I have set the panel to autoscroll and added scroll bars but they do not scroll far enough... They only scroll about 2cm.
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Feb 10, 2011
I am using a flowpanellayout. I want to scroll the panel, but not using the scrollbars. (We are going to use a touch screen). I am going to use button to scroll up and down. How can I control that?
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Apr 9, 2011
How do I code to scroll the panel using the mouse wheel when the mouse pointer is over the panel using the actual scrollbar?
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Apr 16, 2009
I wantt o scroll images up & down,I found the foll code that uses APi to scrool.[code]....
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Feb 16, 2010
I am currently working on a web browser using visual basic and i think i am stuck at this point where i have a panel and i need to scroll it when mouse hovers a button .. actually if i can find how to scroll the panel without using the scroll bar , i think i can modify it for using it with mouse hover. [code]...
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Nov 1, 2011
I am trying to control the horizontal scroll of a panel box in vb.net. The problem is that I can only seem to move it just a little bit using the following code:
Private Sub HScrollBar1_Scroll(ByVal sender As System.Object, ByVal e As System.Windows.Forms.ScrollEventArgs) Handles HScrollBar1.Scroll
panSS.HorizontalScroll.Value = HScrollBar1.Value
End Sub
[Code].....
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Jun 21, 2010
I am having a tough time in vb.net to make the scrollbars to work of the contents of a panel.... here is my code
Private Sub HScrollBar1_Scroll(ByVal sender As System.Object, ByVal e As System.Windows.Forms.ScrollEventArgs) Handles HScrollBar1.Scroll
Panel122.Left = HScrollBar1.Value
now, i want to change .Left to .Right, but it won't let me?
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Nov 19, 2010
Is there a way to hide the scroll bars on a VB.Net panel? We have written code to allow the user to scroll using a touch screen and do not need to see the scroll bar. I know it has to be there for the scrolling to work, but would like to hide it from view.
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Dec 19, 2009
Is there a way to get and set the location of the scroll bars in a panel?
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Nov 18, 2010
which populates a flow layout panel with a number of buttons. The number of buttons is completely dynamic (it's based on how many subfolders are in a given Directory.)What I want to be able to to is use two buttons to scroll up and down the panel, without the use of scrollbars.I've spent a good few hours looking around trying to find a solution (as well as messing around with the 'verticalscroll' properties of the panel with code, but with no success.
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Sep 21, 2009
I have two panels, and I want them to both scroll horizontally with one scroll bar, but I only want one of them to scroll vertically. So if I have a large panel on autoscroll, it works fine for that panel, but I have another smaller panel above that, could I make the smaller panel scroll horizontally with the larger panel's horizontal scrollbar?
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Oct 5, 2011
I am adding user controls to a panel that is empty, but when i do that, the scroll of the panel goes down.
I tried to set the panel.verticalscrol.value to 0 but that does not do the trick, so..
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Feb 17, 2009
i put Picturebox in the Panel control i set Autoscroll Propertu of Panel set to True i maximize the size of PictureBox OnClick Event of PictureBox
PictureBox1.Size =
New Size(PictureBox1.Width + 50, PictureBox1.Height + 50)i want to Center and Clicked Location mean adjust the scroll of Panel according to the Clicked Location like Windows Picture and Fax Viewer?
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Apr 13, 2011
i put Picturebox in the Panel control i set Autoscroll Propertu of Panel set to True i maximize the size of PictureBox OnClick Event of PictureBox
PictureBox1.Size =
New Size(PictureBox1.Width + 50, PictureBox1.Height + 50)i want to Center and Clicked Location mean adjust the scroll of Panel according to the Clicked Location like Windows Picture and Fax Viewer?
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Feb 23, 2010
I have a picturebox inside a panel, the picturebox is long, and the panel is set to allow scrollbars, which it adds. I can scroll the picture at design and runtime, but how do you scroll it programmatically?
Starting with the picture box with the top set to 0, and then doing this... (using any non-zero value as the lY value)
Dim newLocation As New System.Drawing.Point(0, -lY)
[Code]....
So how do i get the value to change (e.g. to scroll the picturebox!)
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Nov 21, 2011
I have a problem when I add a button dynamically to a panel with scroll bars.
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Dec 4, 2010
How do I get the possition of the mouse inside a panel? I know how to get the positon in a windows form but this doesn't work in objects (pictureboxes , labels, panels...)
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Dec 2, 2009
I've dynamically added 20 pictureboxes to a panel and would like to see the panel scroll when I use the mouse wheel. To implement this I have tried to set the autoscroll to true on the panel control. Here is the code.
For i As Integer = 1 To 20:
Dim b As New PictureBox()
b.Image = Nothing
[Code]....
It works for "button" control, but not for the "picturebox" or "label" controls?
How can I implementthe scrolling affect using 'mousewheel'?
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Nov 24, 2011
I would like to add an effect where a panel sweeps out of the way to make room for another panel. This is sort of like a sliding effect, and I think at one point in time this could be seen on Apple's website under their product pages. I came up with some code, but it isn't working.
[Code]...
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Apr 21, 2009
When a user is editing a given piece of data, they're allowed to add messages/comments. These are stored as child records in a SQL database. Clicking on the Add Message button brings up a panel (pnlMessage) courtesy of the AJAX ModalPopup Extender. This takes some input and, when the "Send Message" button in the panel is clicked (I learned the hard way to NOT make that the 'OkButton' property), the message is stored in the database and an email is sent to the intended recipients. No problem there.
However, I need to be able to allow the user to add new email addresses (so long as they are registered in our database). I have another ModalPopup / panel combo (pnlSearch) that's tied to a button on the previous panel (pnlMessage).
The user is supposed to be able to add an email or click on a search button to populate a list to choose from.
The pop-up panel (pnlSearch) comes up just fine, but clicking the "Lookup" button (which instigates the search and returns a collection of records that the user is supposed to pick from) closes the panel.
Previously, I ran into the problem of having the Button.Click event never firing when I put the Button into the "OkControlID" property (the CancelControlID works fine since I don't want to do anything). Removing the "OkControlID=Button" line allowed it to work perfectly with the Button.Click event firing as expected.
So now I have the Search panel with a button for "OK" and a button for "Search" - but the panel should stay up and visible after the Search.Click does it's thing. Am I missing some property that basically says "don't close the panel when this button is clicked"? Of course, if I bring up the panel again in the same session, the results from the previous effort are there (the search results).
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Oct 4, 2010
I have a TopBar, A LeftBar, A VScrollBar, A HScrollBar and a Panel inside a SplitContainer Panel.The issue I'm having is that when my SplitContainer Panel is small enough to enable one of the ScrollBars, I will slide the ScrollBar and then when I resize the Split Panel, my Panel1 is staying where I scrolled it too.I'm having troubles thinking of the correct code to fix this.
[Code]...
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