Declare Graphic Ellipses As Group?
Sep 7, 2009
I need to be able to declare 12 groups of ellipses as "group A" , "groupA#", "groupB", ect. That way I can fire all the images simultaniously from outside of the paint event handler.(if possible) I have tried several ways to declare them, but the system doesn't read things the way I trying to do them. This is my first time ever with graphic activity, so I don't have anything to fall back on. I went to the Bob Powell GDI+ site, but didn't find what I was looking for. Tried google too, but don't think I'm wording things right. Thays typically always my problem, noone understands me, 'cause I lack good communication skills. Heres what I have...
[Code]....
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Sep 7, 2009
I have a group of graphic ellipses that I need to arrange in a group. 12 groups actually. It's a matrix for traing guitar students. I have the locations of the "G" notes grouped so far, but not under the title "G notes group". Since I can't use ellipses outside of the paint event handler, I have to rename them, I guess in the event handler...
Here's what I have so far...
Dim
GroupG As e.Graphics.FillEllipse(Brushes.Green, 84, 6, 10, 10) And
e.Graphics.FillEllipse(Brushes.Green, 84, 106, 10, 10)
e.Graphics.FillEllipse(Brushes.Green, 24, 46, 10, 10)
e.Graphics.FillEllipse(Brushes.Green, 124, 66, 10, 10)
[Code] .....
The paint event handler does not accept my attempts to declare them as a group, & this is my first ever project with graphics in an active state. I haven't found any where to turn for info, tried Google, tried bob Powell's GDI+ site, Tried some free ebooks, nowhere I have looked seem to cover this aspect. I need some direction to turn.
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Jan 14, 2010
I'm trying to make a mini map for a 2d space shooter of mine; I've for the math down (I think) for when an item should appear on the mini map, but the problem is the graphic. As it stands, the graphic spills over the edge of the mini map graphic and disappears only when it's fully outside. I need it to crop the image, or at least not show it off the mini map graphic.I thought of using the sourcerect rectangle of the spritebatch.draw, but it seems to me that would only work for the right and bottom section, as I can adjust the size of the rectangle. I haven't tried this yet, but I will soon. Can the location of the source rectangle be changed in relation to the graphic that it is a part of being drawn so that I can use that to crop the left and top sides?
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Jan 7, 2009
Imports System
Imports System.Collections.Generic
Imports System.Data
Imports System.ComponentModel
Imports System.Drawing
[Code]...
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Mar 8, 2010
Suppose i want to draw semi-random ellipses on my form.Is there any way i can check if they get clicked at a later stage?Is there any way of storing the location of individual ellipses and then comparing the mouse-click to my list of locations to see if one was clicked?
I can imagine how it could be done with squares or rectangles, but i dont know how to approach it with ellipses.
Im sure this has been asked before, but i've spent a good while searching around for something i can use and came up emptyhanded.
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Dec 15, 2010
In DGV, if the contents of the cell is truncated, the DGV shows ellipses (three dots) (...); but as the font is set to a Gujarati font, it displays a Gujarati alphabet "ઈઈઈ" instead of "..." because the Gujarati character "ઈ" is coded with the English "." (dot) character.In Gujarati font, "." can be generated with the English character "P".So, How can I change the ellipses to English "P" character? OR How can I remove the ellipses completely?I have found a similar solution by berc on Tuesday, August 31, 2010 1:33 PM :but I am not sure it is the perfect and/or the only way to do so, AND it will really work or not
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May 3, 2011
I'm trying to match up a specific group name and see if it exists for the currently logged in user using Active Directory roles. If the Group Name exists for the Current User, I want that group name to be displayed in a drop down list. Example: If current user is in BIG Group, display BIG in drop down list.Problem: All I am getting is SIDs and I'm not able to get anything to match up to the group name and nothing will show up in the drop down list.I also get the following Error:Error: Object variable or WIth block variable not set.How do I fix this?? here is the code I am using:
Private Sub GetMarketingCompanies()
' code to populate marketing company drop down list based on the current logged in users active directory group that
[code].....
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Jan 31, 2011
Enumerate if an Active Directory group's member is user or another group
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Jun 1, 2011
In trying to test some graphic features, I am trying to get them to display on load so button doesn't have to be pressed. I used the following code as suggested from forum. Message boxes run but ellipses aren't displayed until button is clicked which is what I am trying to avoid!
Private Sub Form3_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Button1.PerformClick()
Button1_Click(Nothing, Nothing)
[code]....
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Jan 1, 2011
I am writing an application and I do not know how to reference a group of controls inside a group box. I will include the code I have written so far and a picture with a detailed explanation as to what I am trying to do. Feel free to comment on any discrepancies that you may notice in my code.
Code:
Public Class Form1
' The following class-level constants are used
' to calculate the price of the model
Const decCOUPE As Decimal = 18000
[code].....
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Sep 25, 2011
I want to remove a group (include all items in this group) in ListView, but unsuccessful, the code is below, why?
ListView1.Groups("GroupName").Items.Clear()
ListView1.Groups.Remove(ListView1.Groups("GroupName"))
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Apr 6, 2011
anyone have some quick code on how to do this?
wmi is not a option.
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Jul 22, 2009
I want to divide the content in my application to groups each group has its own rectangle border with the group name located at the top border, i've seen it before and i'm not sure what is the correct name of this control, anyone knows what I'm talking about ? EDIT: Ok, I found the Groupbox Control but how do i use it? should i just drag other controls inside it or i should add controls directly into it?
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Apr 13, 2010
We have a great book written for Visual Basic 2005 that we type code that is prepared in advance. We are using Visual Basic Express 2008 and normally this works really great; type the code run the program and it works, however I am running into a snag.
The textbook shows the following code: IN THE(General) (Declarations)AREA we are told to type the following:
' Create a Graphic object to use with the game's bitmap
Dim myGraphicObject As Graphics = Me.CreateGraphics
' Create an empty Bitmap Object
[Code].....
is there a difference between VB 2005 and VB 2008 that would be causing the errors? or am I missing something subtle maybe mistyped?
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Jan 28, 2010
I would like to know how to use the graphic methods:
-DrawString
-DrawLine
-FillRectangle
I am meant to use these in a method called Drawgraph in order to draw a grid and bar chart. How can I go about this? What parameters do I need to send? What variables do I need to declare?
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Sep 23, 2009
I have just started to try learning how to use Visual Basic (im running the 2008 express free version). The example im trying to get working right now looks like follows[code]...
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Feb 18, 2010
I am programming a design surface where I add Image objects to the surface when an image is added it calls the draw objects command. It works fine I would like to figure out how to covert the object to an image to save it? Below is the draw sub used to draw objects onto the surface:
Public Sub DrawObjects(ByVal g As Graphics, ByVal Scale As Single)
Dim drawObj As GraphicObject
Dim i As Integer
[code]....
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Feb 17, 2011
I am working with a graphics program in VB to move an image around the Form. I'm trying to create barriers that cannot be crossed. At first, I tried to represent this with a 2D array, but this proved too complicated. For now, I'm trying to create a series of rectangles. What I want to happen is when the point the image is anchored at intercepts one of these rectangles, it will either be prevented from moving or sent back to where it was directly before the image moved. I know there is an intercept command, but I've been unable to figure out how to use it in this content. The code I have is below.
Public Class Form1
Dim PlayerSprite As Image
Dim BGImage As Image
[code]....
As I said, this is to create a graphic barrier. However, I expect to make a number of these Rectangles?
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Jul 23, 2011
i would like to be able to erase a graphic that was created.I would like to not have to redraw the graphics minus the graphic thats unwanted.Is there a way to delete a graphic?
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Apr 1, 2010
anyone have experience doing this? when i say imaginary i mean the square root of negative one. how would i graph this?
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Feb 24, 2009
I want to make a form to schedule the on and off time of equipment. & rows for seven days. 96 columns for 24 hours divided by 15 minutes. Each cell will be red for on and green for off. Click the cell to toggle the color. I know what I want it to look like. But I dont think using 500 buttons is a good idea. I am looking for better ideas on which direction to go. I am using visual studio express.
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Mar 2, 2010
I'm developing a scanning application in VB.NET 2005 using TWAIN. The scanner returns to me a handle to a DIB. I need to save this to a file, but I've been searching everywhere and can't find any information.
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Jun 1, 2011
how do I set up a timer to load a graphic from the web to a picturebox
heres a sample graphic
[URL]
its real small so it will load fast. the link will be different but this is good enough to test with
I need it to be on a timer event to load this graphic every .... seconds, that part of the code I can do, timer events are easy. getting this graphic into a picturebox is a pain though.
You Know Your Addicted To Computers When - Your main computer is a 7 terabyte, Core2Quad 3 Ghz +, with 4 or more gigs ram, over 200 programs installed, and you would rather sit with it programming than go to the movies!
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Sep 24, 2010
I have a converted VB6 App that would draw irregular shapes on a PictureBox when I click on a button, and these irregular shapes would persist until I either close the App or erased the PictureBox to start the display anew.I converted my App to VB.Net to do the same, i.e. draw on a PictureBox again, but the drawn lines appear briefly and then, at the end of the drawing process, when my App returns control to the Operating System in wait for another event, the graphics disappear as if erased by the App (which I don't do of course).I have created a Graphics Object associated to my Picture Box as:
Dim CurrGraphics as System.Drawing.Graphics
CurrGraphics = PictureOut.CreateGraphics
I then use the DrawPolygon and DrawLine methods to add the irregular shapes I want:
CurrGraphics.DrawPolygon(CurrPen, Pts)
CurrGraphics.DrawLine(CurrPen, Pts(I).X, Pts(I).Y, Pts(I+1).X, Pts(I+1).Y)
where CurrPen is a defined Pen, and Pts is the Points() array with the coordinates of the displayed shape. Several dozens irregular shapes are drawn and then the subroutine stops, and returns to waiting for another request from the user.What could be the prime reason why graphics do not persist in a PictureBox, and are erased immediately after they are created ?
PS: I do not use the PainEvent of the PictureBox PictureOut, as in the example given in the VB documentation (below), as the display process is initiated by clicking on a button, and I cannot relate how to transfer control to the PaintEvent as below:
Private Sub Form1_Paint(sender As Object, pe As PaintEventArgs) Handles _
MyBase.Paint
' Declares the Graphics object and sets it to the Graphics object
[code]....
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Mar 12, 2012
I have a module that generates fill out a System.Drawing.Graphics object. I then try to print it with a event on my main form but the print preview comes out blank. This is my print page
[Code]...
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Mar 2, 2010
I'm developing a scanning application in VB.NET 2005 using TWAIN. The scanner returns to me a handle to a DIB. I need to save this to a file, but I've been searching everywhere and can't find any information.
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Jul 25, 2011
I have this code I've used multiple times to add and remove users from AD groups, but when I try to use it to remove an AD group from another AD group it fails with "The server is unwilling" [code]...
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Jun 2, 2011
i have this code which draws a continuous circle using a timer. Now I have to display it in the form which has a group box with loads of other fields and information. Now can anyone please tell me how can i add the circle into the group box as it can be displayed.Currently the circle is being displayed behind the group box which is not visible.
Private Sub Timer1_Tick(ByVal sender As Object, ByVal e As EventArgs) Handles Timer1.Tick
Me.sweepAngle += 1
If Me.sweepAngle = 360 Then
[code]....
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Oct 28, 2011
Ok. So I have a program I have made to calculate angles. i have a line for true vertical and I need the program to draw the line at a given angle. Basically, if I put 82 in textbox1, I want the program to calculate the cordinates where that line sits on the X axis, The y axis is always picturebox1.height, So the y axis isn't important here, just the x axis.
What would I do to calculate this angle into a visual graphic?
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Dec 5, 2011
I used e.Graphics.DrawString(String,Font, X,Y) The point of the X start from the left
X----------String-------------------end of X[/b]
My question can I make the X Starting point from the Right.
X--------------------String-----------Start of X[/b]
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