How To Create A Drawing Application
Dec 29, 2011I was trying to compile these codes in VB.NET (VS 2008), it has no error but when I try to draw, it is not working. Maybe there are some missing/wrong codes.[code]
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Jul 7, 2010I am trying to create an autocad drawing in visual studio with the code :
Dim strTemplatePath As String = "C:\acad.dwt"
Dim acDocMgr As DocumentCollection = Application.DocumentManager
Dim acDoc As Document = acDocMgr.Add(strTemplatePath)
acDocMgr.MdiActiveDocument = acDoc
However, when I try to run the program I get an filenotfoundexception and the program asks me to verify if the file exists in the specified location. The file does exist in the specified location.
Drawing Guide On Another Application Window?
Jun 6, 2011I'm attempting to make a program that will simply draw a guide (consisting of two perpendicular lines) on another program's window. I tried using a form with a transparency key and TopMost set to true, but then whenever the user inadvertently clicked the guide, it would un-focus the application. The only lead I could find was a suggestion to "Draw directly on the other application's window". I can't find anything that tells me how to do this, or if its even possible...
So I need to know one of three things:
1) Is it possible?
2) How do you do it? or
3) is there some way to make a form completely un-focusable?
The effect I'm trying to get is so that it looks like someone physically drew the line on the monitor itself.
Embed A Simple Drawing Tool Into A Application?
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Dec 23, 2008Would there be a way to make the system.drawing namespace available to a console application? ( i know this sounds silly, but all my application does is take a bitmap of a window and saves it to file, so whats the point in my application being form based)
View 2 RepliesVB Drawing Application Not Working Correctly - Run In Is Just A Gray Block
Dec 10, 2009I'm a college student just starting out programming in VB and am having a lot of trouble trying to get my drawing program to work. Currently i am using Microsoft Visual Basic 2008 Express Edition and whenever i try to debug my program the window it's supposed to run in is just a gray block. I'm not too sure if this is the right place in the forum to post this so if it is just let me know and ill move it. c:
[Code]....
VS 2008 Creating A 'Visio' Like Drawing Application - Zoom
May 27, 2009I have started a little project for myself to become a little more accustomed to drawing in VB.NET. I decided to make an application that looks a little bit like Microsoft Visio.
Until now, I have been able to create an image 'layer' on a blank PictureBox by clicking somewhere in the PictureBox. When I click on such an image layer, it is selected (and a blue rectangle, and its text are drawn). I can also drag the selected image layer.
The code for this is as follows:
The ImageLayer class:
vb.net
Public Class ImageLayer
#Region " Properties "
[Code]....
how to do all this; I'm starting to fear this project is going to be a little much for me...
So, do I really have to do everything manually? So the images locations, their size etc should all depend on the zoom level? Or is there something 'premade' I can use?
Drawing Pixels With Me.creategraphics In System.drawing (yay)?
Jun 3, 2012draw individual pixels, without resorting to drawing a line and setting it's length to 1. Is there an actual ability to draw a pixel that is just 1 pixel big?
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Feb 19, 2011I'm making a custom control that needs to look like a Text Box but I can't Inherit Directly from text box since I need to add, Change and Override so many things that it would be more practical to just inherit Control and start new.
But now my question is: Is there an easy way to create the basic functionality of a Text Box like drawing the Text Box and handling input ?
Drawing On Picturebox Vs Drawing On Form?
Feb 18, 2012I need some code to draw a resizable, draggable rectangular cursor (or selection box) on a picturebox. I found some excellent code (albeit rather old) that does just that, but on a form rather than a picturebox. I have tried converting the code - basically moving things to the picturebox events (Paint, MouseDown, MouseMove etc). It nearly works but leaves a trail behind it when you move or resize the cursor. In other words, the selection rectangle is not being erased before being drawn in the new position.
Is there some fundamental difference between drawing graphics on a form and drawing on a picturebox that would cause this behaviour? Something like, when you invalidate a form and cause a redraw it erases what you did last? If not, then I just need to dig a bit further and work out how the cursor is being erased from the previous position.
Here's the original code that works fine on a form:
Private DragRect As New RectangleF(20, 20, 100, 80)
Private Adornments(7) As RectangleF
Private MouseInRect As Boolean = False
[Code]....
Click Button To Insert Drawing, Click Drawing To Get Option To Delete - VB Versus Access
Jun 21, 2010Say I have 3 Buttons, labelled: Unit 1, Unit 2 and Unit 3. When I click on any button I want a drawing of that unit to appear on screen at a pre-specified starting point. Thereafter when I press any other one of the buttons the unit drawings appear alongside each other in a line. So I could end up with:
[Code]...
Error: Operator '=' Is Not Defined For Types 'System.Drawing.Image' And 'System.Drawing.Bitmap'
Aug 17, 2009With this line...
If PictureBox1.Image = My.Resources._2star Then
I get this error: Operator '=' is not defined for types 'System.Drawing.Image' and 'System.Drawing.Bitmap'.Is there another way to say = with images?
Convert An Object Form System.Drawing.Graphics To System.Drawing.Image?
May 23, 2009Is it possible to convert an object form System.Drawing.Graphics to System.Drawing.Image?
View 4 RepliesError Value Of Type System.Drawing.Image Cannot Be Converted To System.Drawing.Icon
Jan 21, 2010Here is my favicon code
Dim oURL As Uri = New Uri(e.Uri.AbsoluteUri)
Dim favicon As Image
If oURL.HostNameType = UriHostNameType.Dns Then
[code]....
The error is Value of type System.Drawing.Image cannot be converted to System.Drawing.Icon Is it even possible to make the favicon be the icon of the form?
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View 7 RepliesValue Of Type 'System.Drawing.Image' Cannot Be Converted To 'System.Drawing.Printing
Apr 3, 2009im using an MDI parent form and MDI Child. how can i print the image that's inside a picture box that's inside the Child from a button that's on the Parent?when i try to use print preview or print dialog, i can't get it to recognize that the document is the picure inside the picture box. i've looked up this error message:Value of type 'System.Drawing.Image' cannot be converted to 'System.Drawing.Printing.PrintDocument'.[code]
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View 4 Replies'System.Drawing.Image' Converted To 'System.Drawing.Icon&#
Apr 9, 2012I am making a web browser using geckofx. I have put the favicon in a picture box but I have changed my mind and now I want it as the form's icon. The code for the favicon is:[code...]
The favicon works fine in the picture box but i think it will look better as an icon. If i change the line Me.PictureBox1.Image = favicon to Form1.icon = favicon I get the error Value of type 'System.Drawing.Image' cannot be converted to 'System.Drawing.Icon'. How can I get this to work?
Convert System.Drawing.Graphics To System.Drawing.Image
Jan 20, 2010I have a System.Drawing.Graphics g, which draw something in a PictureBox. Now I want to export this pGraphics to a new System.DrawingImage pImage (or Bitmap). But how?
Dim pImage As Bitmap
Dim g As Graphics
g = Graphics.FromImage(b)
[Code].....
Convert System.Drawing.Graphics To System.Drawing.Image?
Mar 10, 2010I have two graphics I'm trying to superimpose into one, then display in a DataGridViewImage cell...The Value property of a DataGridViewImage is an Image type.
Dim Image1 As System.Drawing.Image = imgl_Imagelist1.Images(0)
Dim Image2 As New Bitmap(imgl_ImageList2.Images(0))
Dim DualGraphic As Graphics = Graphics.FromImage(Image1)
[code].....
Create An Application That Captures A Resource From Another Application?
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View 1 RepliesCreate COM+ Application?
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