Forms :: PointToScreen - Co-ordinates For The Labels In One Statement Without Adding The X And Y Co-ordinates Of The Panels
Nov 2, 2008
Apparently I don't understand what PointToScreen() is actually returning. I'm thinking it should be absolute screen co-ordinates. In a form, I have some labels in a panel, which itself is in a panel and am trying to derive the screen co-ordinates for the labels in one statement without adding the X and Y co-ordinates of the panels. Why does PointToScreen(Label.Location) return the same value as PointToClient(Label.Location) and the same as Label.Location? Shouldn't PointToScreen() return absolute SCREEN co-odinates?
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Apr 14, 2010
Is it possible to have forur coordinates in a panel so that i want to move label in these co ordinates.
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Mar 18, 2009
I want to convert British OSGB 36 co-ordinates to WGS 84 (i.e. "standard" latitude and longitude), in order to plot them into a KML file for Google Earth.I should probably add that my question is not "How do I write a KML file?". My question is "How do I convert between these 2 co-ordinate systems?"!!I was hoping there would be a library that I could use, rather than rolling my own function - it seems like the sort of thing some-one else would have implemented.
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Mar 11, 2010
Am new to this area, it would great if any one help me on my request. I would like to retrieve each words co-ordiantes (x,y axis) from a jpg file, which is scanned hard copy. I know this can be done with the help of OCR sdk's. But i dont know how to integrate those sdk's with my .net application and retrieve the value. It would be great if some one suggest me the best way or sample codes to do that.
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May 22, 2012
If I use the following code to draw a rectange, do the values inserted into 'fromleft' & 'fromtop' set a co-ordinate from the top/left corner of the paper or from the top/left corner of the margins.
Dim R As Rectangle
Dim across As Integer = 5
Dim down As Integer = 13
[Code]....
The reason I am asking this question is because I am trying to print labels so the position of the labels on the sheet are fixed. When the printer is set to papersize = letter the first label is in the correct position but when I change it to A4 the first label has moved 4mm to the right. With the margins set to 0 I still cant get it justified correctly. The printer is obviosly capable of printing 4mm from the left because it does so when set to 'letter'. Can't use letter because I need the extra length of A4 for the bottom row of labels.
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Apr 26, 2010
I used the following code to click mouse on the specific co-ordinates on an open windows application
Private Declare Sub mouse_event Lib "user32" (ByVal dwFlags As Long, ByVal dx As Long, ByVal dy As Long, ByVal cButtons As Long, ByVal dwExtraInfo As Long)
Private Const MOUSEEVENTF_LEFTDOWN = &H2
[code].....
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Jun 18, 2012
What i need to do is parse an integer to a "library" of co-ordinates. This integer allows for a random co-ordinate to be chosen. The "Library" i mentioned is shown below
Public Function Hit(ByVal rnd As Integer)
Select Case rnd
case 0
return "(0,0)"
[code]....
How can this be done?I am either looking to convert the string "(0,0)" to grid(0,0) or can use another method to lookup the co-ordinates.
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May 8, 2012
I'm trying to make custom ListBox with some graphics. Base is ItemCollection - each item contains Panel, 2x label and 2x picturebox. What each panel have to do:
- Change backcolor on MouseEnter and set color back when MouseLeave occurs.
- On MouseDown(LMB) - Panel stays "selected" - different color.
Problem: I can't access multiple panels at a time(and I need to), just one via sender as in function. Of course, I can do it hacky way, but I want to do it effective and regular. Is ItemCollection the right solution or should I do it just like an array of panels? Also I want them in one "box", ItemCollection is good for it.
Second "problem": I need to make labels "merged" in panels, when i MouseEnter them(labels), background color on that panel sets to my default color. when i MouseClick them(labels), nothing happens (need to "select" parent panel). It can be again fixed with hacky way, just disable labels - but then the colors of labels are unchangeable.
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Oct 19, 2011
I need to allow labels in disabled panels to retain a their prominent forecolor. So, I am considering replacing all labels in panels that become disabled with LinkLabels. By disabling the control and setting its disabled color to black it holds the color. However, I have always been of the opinion that one should use the lightest control possible.
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Mar 31, 2012
so i have a series of panels that are generated
example:
For i as integer 1 to dt.rows.count
dim subpan as new panel
*Code for creating panel"
Next
the problem is i need to be able to add event handlers to each of them including, click, mouseEnter and mouseLeave but i can't figure out how to index each panel so that they can be accessed and identified. i tried using a property but that didn't seem to work or i was doing it wrong.
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Mar 3, 2009
To save from using several different forms in programs. I'd like to make just a few panels to represent each one. Then when I need to display one I just set it to visible or not visible.
For example, a quiz program. The 1st 10 questions are on one panel, the 2nd 10 are on a 2nd panel. They are both identical except different questions.
The problem is, when I try to put them both on the form, they have to be in different areas or else one will go inside the other. How can I keep several panels on one form without them going inside each other, in other words how can I keep them separate?
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Dec 19, 2009
How can I put Docking panels into my application like the ones in Visual Studio. Ex. the properties, solution explorer, and toolbox are these.
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Oct 20, 2011
This may be simple, but im having a tough go at it. I'm trying to make a "review" section in a step through form, where the user can see everything that has been entered and if they choose go back and "edit" that information again. One section only has to show the information that has been added by the user, basically if they don't select a certain checkbox there is no reason to display the info for that box.I want to to dynamically create labels in a Panel (Panel7) on a TabPage (TabPage3), only for the checkbox information that was selected. This is what I have right now, and I am unable to see anything on the page, I have also tried without the panel and straight onto the tabpage itself to no avail.
MsgBox(CurPat, MsgBoxStyle.Critical)
If (CurPat = "True") Then
Dim lblTemp As New Label
[code].....
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Apr 4, 2009
how do I refer to a panel. i,e. i have 5 panels in total, and based on specific inputs , i want changes to occur in specific panels(each stored in a tab). So, now how do i give the control to the rspective panel ??
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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 21, 2009
I am familer with looping thru controls like so:
[Code]....
Next I have some labels on another form, that due to the design can't be in seperate panels. They are (lblChipColor1 - 6) and (lblChipValue1 - 7). I am trying to populate the color ones from the Array above. I can obviously loop thru the array, but I can't find a decent way to loop thru just the lblChipColorx lables ignoring the lblChipValue1x labels. It would be easy if they were on seperate panels. I tried adding the labels names to an array of type string and of type label, but got nowhere with that. Is there another way to group them, or build const array of label names, that I can work with?
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Aug 29, 2011
I'm struggling to figure this out on my own. First of all I'm not sure if my calculations are right for the BusinessCustomer part. Its supposed to be:
Processing fee:$16.50
Basic service fee: $80 for first 10 connections; $4 for each additional connection
Premium channels: $50 per channel for any number of connections
anyways, what Im mainly concerned about is clearing the label when the radio buttons are changed. I have tried adding "Call Clear()" in certain event procedures with no luck. Does anyone have any advice or tips? Help is much appreciated. Thanks!
Public Class Form1
Private Sub ResidentailCustomer()
Dim totalDue As Decimal
Dim numChannels As Integer
[code]....
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May 26, 2009
I have some Label controls sitting on Panel controls on a Form. I want to get the labels'positions relative to the form's origin so that at run time I can hide the panel and the labels and draw some other text in their place directly onto the form.Basically, I'm doing the following calculation: Get the absolute screen position of a label withControl.PointToScreen() and convert it back to a relative position with
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Feb 15, 2012
I am trying to add (Push) whatever the user enters in (MyStack) into 5 different labels that should show the (UserResponse). The problem is I don't know how to display each element in a different label. For example:
- The first element that the user enters (UserResponse) should be in Label1
- The second element that the user enters (UserResponse) should be in Label2 etc.... up to label5.
Also, when I press (Pop) the elements should disappear (Last in first out).
Public Class Form1
Private MyStack As New Stack(4)
Private Sub ButtonPush_Click(sender As System.Object, e As System.EventArgs) Handles ButtonPush.Click
[Code].....
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Mar 8, 2012
Public Sub Button1_Click(sender As System.Object, e As System.EventArgs) Handles Button1.Click
Dim vatResult As Decimal
[code].....
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Mar 10, 2011
I have to design a project for my IT course at college using Visual Basic. The task is to create a program which allows the user to enter the height of a room plus the width of the walls as well as the paint which costs different prices. I have managed to get the program to work out the cost of painting each wall, but I cannot get another label to show the price for painting a full room, when the result is basically adding up the cost of painting all of the walls. how to add up multiple values displayed in labels?
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Jul 1, 2010
How do i go about adding new labels in run time
Dim Label as new Label
something around those terms
I would like the label to be name label1 ... label 2 ... label3... So on
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Sep 28, 2011
The three labels "Floor" "Typ." "HeadsI can insert once fine but multiple times only the third instance is written to the form.I have 2 textboxes to test that the Label.Name is changed but I can't make the Label.text stand for each label. I am certain this will occur too with the textboxes.I also need to keep track of these boxes for further use with the program.
Public Class Form1
Private Sub CheckBox1_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles CheckBox1.CheckedChanged
[code]....
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Jul 30, 2009
I have a simple poker game that deals out 9 cards into pictureboxes and shows another 3 pictureboxes that hold cards for the dealer. The code itself does what I want it to...even though I'm at a dead end with writing the code further to evaluate the poker hands. I would simply like to add a few labels and a combobox to my form, but everytime I add something, or try to add it I get cast error?
Public Class Form1
Dim ListOfCards As New List(Of String)
Dim dealtCards As New List(Of String)
[code].....
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Mar 8, 2010
I've made a user control and have added some internal labels inside it. In the User control class I'm trying to handle the mouse events so that: When the mouse enters the User-Control the background of the User-Control turns white - using MouseEnter event. When the mouse leaves the User-Control the background of the User-Control turns grey - using MouseLeave event. However as soon as I move the mouse over the internal labels it triggers the MouseLeave event. I don't want it to do that, because the mouse hasn't left the bounds of the User-Control! So, how do I get it to not trigger the MouseLeave event when the mouse is still internal to the User-Control?
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Feb 5, 2009
Recently i was trying to access the labels of main form (Form1) from a thread that was running on the other form (Form2), and I have noticed, that the label.Text is not changing.Form1 code - after the main Form is loaded I launch the second Formular, and the method on it : [code]There is a sample code attached to show how is it working.Is there any possibility to change the label values on the Main window?Peter.
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Feb 9, 2011
I have created a control, similar to an image combo, but a bit different. Any how, each of the labels that contians text to be clicked has an ID in their tag, that i wish to read. I have a sub routine called CBO_Click() which has the same arguments as a normal label click. How can i add the argument for the ID in the labels tag to be passed to this sub.
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Jul 24, 2009
I want to read from a text file and display it in a label. However, when I do that, I see that there is no word wrapping. In the sense, a whole paragraph is displayed in one line and the next one in the next line and so on. Can some one please tell me how to read text from a file and make it display as it is (lines as they are)? I am using the following code right now:
Imports Microsoft.Office.Tools.Word
Imports System.Runtime.InteropServices
Imports Microsoft.Office.Interop.Word
[code]....
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Nov 4, 2011
I have a label that displays text kinda like a title to something (autosize = falseTextAlignment = MiddleCenter) and whenever the label control isn't wide enough to display the single line of text it tries to auto-wrap it causing half of the text to be chopped off at the top and half of it chopped off at the bottom. I would rather it stay on a single line and cut the text off from the right
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Apr 6, 2011
I'm currently trying to make a beat generator, which allows you to add several labels (boxes) onto a panel, and then sound will be played when the "play slider" reaches the same x-value. However, i can't make the slider find the boxes. OK, so this is what I've got so far! Clicking my button, a label named sound0, sound1, sound2 is added to my panel_back (which is the background of the player) Private Sub btn_addkick_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btn_addkick.Click
[Code]....
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