VS 2008 PictureBoxes And Scroll Bar?
Jun 10, 2010
I have split conainer with a tab control on panel2. I am adding tab page to the tab control at run time. On the tab page I am placing 2 picture boxes next to each other. Then I am loading images to the picture boxes from *.tif file (frame1 and frame2). All works fine except when moving vertical scroll bar the invisible portion of an image in one of the picture boxes becomes smear.
Private Sub fadingstyle()
If pathload IsNot Nothing Then
Dim pathload7 As String = pathload
[code]....
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Feb 1, 2010
I set up some code that allows the user to drag and drop PictureBoxes. The problem is that I have 9 PictureBoxes arranged in a 3x3 square and I need all of them to move as one. I put them in a panel hoping I could use my code with the panel, but that doesn't work since the PictureBoxes are what the User clicks, not the panel.
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Aug 21, 2010
On my form, I have a picture box that starts off blank, but draws lines according to mouse click events.
I am now trying to test whether there is colour in individual pixels, yet I am yet to find solid code.
My initial code was along the lines of
Dim bitm as bitmap
bitm = PictureBox1.Image
This would come up with nothing, as there wasn't any image assigned to the picture box.
I was wondering how I could save the lines drawn and use that as a bitmap to test pixel colour.
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Mar 17, 2010
I have an application where I have different picture boxes which the user can drag and move.I also have different empty pictureboxes.
What I want to do:I want to let the user be able to drag a picturebox to one of the empty pictureboxes. Also, If the user drags a picturebox to an invalid place (outside the bounds of any of the empty pictureboxes), the dragged picture box should return to its previous location.
So what I currently have is the usual drag-drop code and on the MouseUp event, I run this code (currently only checking for one empty picturebox):
If Not pbEmpty1.Bounds.Contains(Me.PointToClient(pbRemote.Location)) Then
pbRemote.Location = OldLocation
End If
(pbEmpty1 = Empty picturebox, pbRemote = picturebox that is dragged)
But it doesn't work, it doesn't care if the picturebox is inside the bounds of the empty picturebox or not, it still returns to its previous location...
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Jun 1, 2010
I have a List wich contains names of all images that is going to be used in the application. I want to loop through all the pictureboxes and assign each image to a picture box. I tried this:
[Code]...
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Aug 10, 2009
My application has no static number of pictureboxes. I want to add picturebox to array control.
[Code]...
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May 22, 2012
I have a tab control with two tab pages. One page has the auto scroll enabled since there is to much content in the page. The middle mouse wheel doesn't scroll the scroll bar; I have to actually click and hold the scroll bar and drag it down to scroll. Is there a property to allow this?
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Nov 11, 2010
I am having an odd problem with the Horizontal Scroll Control in my program.I am using it to scroll a series of panels across a form.This is my code:
Private
Sub scrHoriz_Scroll(ByVal
sender As[code]....
The problem is that this works perfectly if I use the left and right arrows and it also works perfectly if I use the scroll bar's slider SLOWLY. If I scroll using the slider and move it quickly then the scroll gets out of sync.The small change and large change are both set to 1 and maximum is set to 8
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Aug 5, 2011
I have a DataGridView with a panel above it, that contains a group of textboxes above each column. My DataGridView has a horizontal scroll bar. What I want to do is when the DataGridView scrolls horizontally, scroll the panel with textboxes above it, so they stay aligned.I tried handling the DataGridView's scroll event, but I'm not sure what to do with it.
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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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Jan 6, 2010
How would I leave the vertical scroll position as it is and set the horizontal scroll position all the way left if it isn't already in that position? I've been using Me.AutoScrollPosition and have come up with code that is satisfactory but I haven't been able to always leave the vertical scroll position exactly as it is and just move the horizontal scroll position to the left limit.
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Mar 13, 2010
I have a textbox that shows events on a program, which I add. I use the 'scroll bar' option on the textbox to show the vertical scroll bar, but how do I make it stay at the bottom most possible? I am using this code while I am trying to learn how to do what I want the scroll bar to:[code]But how do I get it so the scroll bar will stay at the bottom-most it can? I'd like the newest, most recent events to appear at the bottom of the textbox, and to have the user not have to scroll down every time something new is added.
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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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Dec 10, 2009
Following default the datagridview will scroll following vertical. How can i do that. I tried :
DataGridView1.ScrollBars = ScrollBars.Horizontal but not work
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Jun 20, 2012
I am creating a photo hunt game for grades 6-9 in summer camp. I want them to alter an image in paint then create two picture boxes. I want to put in ovals with no fill color to mark the differences in the picture but VB.net won't let me send the images behind the ovals.
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May 12, 2009
I have a textbox which is inside the second tab of a tab container. When I load the form, I load a file into that textbox. Is there any way to send the scrollbar at the bottom of the text box. I want to show only end part of the file.I have tried this, but it does not work (maybe because is inside a tab container?):
Textbox1.SelectionStart = Textbox1.TextLength
Textbox1.ScrollToCaret()
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Mar 14, 2010
How to make 2 list box scroll together in VB 2008?
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Aug 8, 2009
I have application, where is a big image, displayed in picture box, but only a part of image is on the screen (I set display mode "zoom", so it's center). But now, I need to fluently scroll this image using mouse, so when I click on picture box, and move mouse, the visible part of image should be changing.
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Sep 15, 2011
at the textbox.textchanged event im looping trough the rows in a datagridview
For Each row As DataGridViewRow In grd.Rows
Dim svalue As String = row.Cells(0).Value.ToString
If Microsoft.VisualBasic.Left(svalue, txtSearch.Text.Length) = txtSearch.Text Then
[code].....
now how to scroll to the selected row ?
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May 6, 2009
I have a context menu that is displayed when right clicking a notify icon in my system try, it displays bat files located on my drive but there are so many it makes it difficult to scroll. Is there a way to either put a scroll bar on it or when my mouse hovers over the top or bottom it scrolls down or up?
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Oct 12, 2010
how can i programitacly scroll down to the bottom row on a dataGrid.[code]
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Apr 13, 2009
how can i programitacly scroll down to the bottom row on a dataGrid.i tried this
0
grid.rows(ds.tables("x").rows.count).selected=true
didn't scroll down
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Jul 7, 2011
I am working on a LAN chat and I am having a problem. It's about the textbox that shows the conversation, it doesn't scroll down automatically, you have to do that manually. So is there something could make it scrolls down automatically? Something like showing the end or the bottom of the textbox.
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Mar 19, 2009
I need to know how to programmatically scroll a form to the top position. I tried Refresh but that didn't do it for me. I'm looking through searches but haven't found what I need yet.
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May 29, 2009
I have used several different codes to scroll to the bottom of the text box when text is inserted, but it just doesn't scroll.
here is my
Sub Write2StatusBox(ByRef MessageEntry As String)
With txtMessages
.Text = .Text & MessageEntry
.SelectionStart = Len(.Text)
[code]....
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Mar 22, 2010
My VSScroll is set from a minimum of 0 to a maximum of 100 but when I slide it it only goes from 9 to 100.
Also it increases when I slide it down and increases when I slide it up. Any way to reverse this?
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Jan 6, 2010
What I am doing is I have an image in the webbrowser control that I am trying to capture and save to my computer but the image url is created dynamically and destroyed on the loading of the page (which keeps me from being able to use httpwebrequest to retrieve the image that corresponds to the page I am currently on). To get around this I am resizing my webbrowser control to the size of the image and taking a snapshot of the browser window itself.
The problem isn't with taking the snapshot... it's that when I take the snapshot it is snapping an image of the browser window prior to scrolling. I would like to figure out the scroll coordinates so I can basically write a function that will "pause" the routine and wait until the scrolling coordinates match that of where the image is located and then proceed to take the snapshot.
I have tried the .ScrollTop / .ScrollLeft values and .ScrollRectangle.Location.X/Y but I keep getting 0 as a return. Does anyone have any information on this? I've searched all over google but only find people asking the same question as me but recieving no answer.
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Aug 16, 2011
How do you move the selected row to the next row using the wheel mouse in a datagridview?
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Sep 26, 2010
I try to catch the keydown event, but arrow keys don't fire this event, although I set KeyPreview = True. Arrow keys neither fire the KeyUp event. Not on the form or on any controls..
What is required to handle:
1. Arrow keydown or keyUp event with individual event handler based on mouse focus/hover (does the control have focus if mouse hovers on it, or it needs to be clicked?)
2. Mouse scroll events individually based on "mouse focus"
I don't actually need for the form... Since all the form is covered by controls.. But I need individually for different controls. Which are just buttons, labels and a chart control.
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Sep 15, 2010
I want to make a Patcher, sort of like the one here (scroll down). My current method is something like:
[Code]...
But to use this, I need to use "FC /B" on 2 files, and the output is WAY to big. (I used FC /B on 2 files about 50kb each and the output came out to be ~200kb. Used it on 2 files about 50MB, and the output came to be over 200MB) How does the Patcher above (link) generate patch files that are super small and so fast?
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