Write The Graphics Content Of A Form (whole Or Part) Into A Bitmap?

May 22, 2012

it is possible to write the graphics content of a form (whole or part) into a bitmap.

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Interface And Graphics :: Adding A A Form As A Child Form To A Third Part Window

Mar 24, 2011

As Autodesk is going to discontinue VBA for their Inventor product in the near future I have been looking at other ways to run VB.NET in Inventor. To date it doesn't look like VSTA will be the replacement. Automation from an External VB.NET app is certainly possible, but leaves something to be desired for speed and integration. Compiled Add Ins are the Cadillac of choice but can be a royal pain to debug and develop. Autodesk now provides a lightweight VB.NET script interface called iLogic. It's main purpose is to allow extreme customization of Solid Modeling parts. The code actually resides inside the Part Model file.

[Code]...

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Interface And Graphics :: Display Form As Part Of A Function?

Jul 24, 2008

I have only recently started using VB.NET after having a little experience in VB6. I am trying hard to force myself into this OOP mindset. I want to know if a certain thing is possible.

I want to be able to call a function in the beginning of my main form's startup sub. The function call would look something like this.

Code:
Private Sub frmMain_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
Dim Username, Password, NewPassword as String

[Code].....

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VS 2010 - Capturing Part Of Screen (Bitmap)

May 20, 2012

I'm looking to make a program that would capture your whole screen, then have the picture display on the screen (simulating a frozen screen) to where the person handling the program could select a partial segment of the screen with their mouse and then save to a folder.
1. I have no idea how to go by doing this
2. My form is constantly minimized, so I have to do it without MouseDown on the form and whatnot.
How would I go by doing this?

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Find Content Part Of Textfile?

Apr 4, 2011

i need to extract a part of a given textfile, which is located between a start character pattern and a end character pattern, e.g.:

this is my textfile
[start]
and this i want to extract

[code]....

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Reading Specific Part Of A File Content?

Sep 8, 2011

How to read a string in another string where between Starting Index and first-encountered Ending IndexI have one giant file which contains info for each customers and they seperated the customers info with Starting and Ending Indexes and I need to get a specific customer info to display.

Dim oFile As New FileInfo(sFileName)
Dim sFileContent As String = oFile.OpenText().ReadToEnd()
Dim iStartIndex As Integer = sFileContent.IndexOf(roNotification.StartByte)

[code].....

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Graphics Reduse The Depth Of Color Of A Bitmap?

Apr 18, 2010

What im trying to do is to minimize the file size of an image to as low as possible.Its 640x480 and i need to be 30kb or even 20 kb in file size...

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Interface And Graphics :: Take A Screenshot And Save To Bitmap?

Dec 29, 2010

I'm having an issue with some code I'm trying to write that takes a screenshot of the current screen and saves it to a bitmap file on my local PC.

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim tempScreenshot = New Bitmap(Screen.PrimaryScreen.Bounds.Width,

[code].....

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Using Graphics Object To Translate Bitmap Down Few Pixels

Feb 14, 2012

Pretty self-explanatory question. I'm trying to see if I can do sprite animation in Visual Basic and, while I can use a Graphics object to translate a bitmap down a few pixels, I have absolutely no idea how to erase the bitmap drawn in its former position. Is there any way to erase the old image before the new image is drawn onto the form?

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.net - Graphics.Drawstring Looks Nice In PictureBox But Horrible In A Bitmap?

Aug 5, 2010

I am trying to use DrawString to write text as an image and then rotate it 90 degrees. It works fine with both a bitmap or directly on a PictureBox, but the big difference is in the quality. The PictureBox text drawn has great quality and looks nice. When I draw it on an image it looks horrible and blocky. I've made a few changes to try and get it to look nicer, but it doesn't look nearly as nice as it should.

Sample code:Use a Windows Forms project and place 2 picture boxes on it and a button and run it with the following code to see what I mean:Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

[Code]...

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Interface And Graphics :: Adding A Bitmap To Project And Refer To It By Name?

Mar 16, 2011

How does one add a bitmap to a project so that you can refer to it by name? i.e. MyProject.MyBitmap.bmp

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Interface And Graphics :: Flood Fill An Area Of A Bitmap?

May 27, 2010

faster way to flood fill an area of a bitmap? It basically acts just like the fill flood bucket in MS Paint. clsBitmapImage is a Bitmap variable.

Code:

Code:
Public Sub FloodFill(ByVal AtPoint As Point, ByVal newColor As Color)
Dim oldColor As Color = clsBitmapImage.GetPixel(AtPoint.X, AtPoint.Y)
If oldColor.ToArgb <> newColor.ToArgb Then

[code].....

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Interface And Graphics :: Region Filled With Bitmap/image?

Jan 5, 2012

What i'm trying to do is fill a non rectangular region (actual build up out of 6 points) and draw a bitmap in such a way that it stretches with the region. Now for drawing a normal bitmap or even a trapezoid bitmap there are examples on the net. but drawing anything more then that with GDI+..

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Interface And Graphics :: Rotate A Bitmap Image In A Picturebox?

Nov 12, 2008

How do I rotate a bitmap image that has been placed in a picturebox? I need to make it appear upside down or rotated according to user input. I can't find anything in the properties to do this

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Multi Form / Part Application Need To Make Part Protable For Transfer

Feb 22, 2011

im making an application in vb.net (duh!) anyway i have created and coded the whole project and it performs exactly as i want it to (i dont need code help). my problem lies with the fact that my project is 2-3 parts

1.a setup form that gathers inital data about the enviroment stores this data encrypted in a config file. after inital setup this form is not displayed again. but needs to be run on both computers

2. the second form is the real application form im in the process of turning this part in to a background service anyway this form is the one that establishes the connection between two nodes it works correctly

3. the config files

anyway here is my problem i want to make this application distributional with just one file the (.exe) and have this .exe make everything else happen. it runs the setup form and creates the first config file which it does then it needs to produce a copy of just the second form and the config file to transfer to workstation #2 that will run independtly without the whole application which i cant make happen then it needs to turn both workstations application on by only starting one on either computer and invoke the other computer to start its corrosponding app also no idea how to make this happen any ideas or suggestions as to where to look to try to find my answers.im thinking i might need to make two seperate applications (a setup app, and the running app) and include them both in a project and use the setup.exe to to package them together this is a little side project that im making for my self to use to make programming a little easier so i plan on giving it out to some fellow students to test and tell me what they think so im not really worried about ease of use or complicated procedures yet but if it turns out to work and actually be of use to anyone else i would be willing to rewrite it to distribute to the masses but for now i just want it to work for me.

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Forms - Zoom, Resize A Bitmap On Graphics Path And Save?

Jun 23, 2011

I am working on watermarking image.

In the below code I load the image to the graphics path using resource image and adding text on it. When I add the image through open file dialog it paints on the form with original size but I need to resize it, add it to the PictureBox, add text to it and give zoom and pan options to it and then I need to save with the original size.

When I resize and when save the image I endi up with a small image.

Here is my code:

Imports System.Collections.ObjectModel
Imports System.Drawing.Drawing2D
Public Class Form1

[Code]....

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'Graphics' Not Part Of System.eventargs?

Feb 15, 2011

I am researching ways to use vbTab and Tab stops to create a report in VB 10. I found some code that demostates the tab methods. When I plug the code into Visual Studio 10, I get 'graphics' not part of System.eventsargs, referring to the g.graphics.drawstring command. I have tried several different imports statements with no success.

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Interface And Graphics :: Algorhitm To Find Identical Adjacent Pixels In Bitmap?

Oct 9, 2009

I need to write a code to find identical adjacent pixels in a bitmap image. It should work as the 'magical wand' in Photoshop. My images are always black and white (white background with car parts drawed in black). Given the x,y coordinate for a single black pixel in the whole image, the code should find (and paint with another color, say red) all other black pixels that are linked to that one, and so on, until all linked black points will be painted in red.

[Code]...

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Interface And Graphics :: Algorithm To Find Identical Adjacent Pixels In Bitmap?

Aug 12, 2011

I need to write a code to find identical adjacent pixels in a bitmap image. It should work as the 'magical wand' in Photoshop.My images are always black and white (white background with car parts drawed in black). Given the x,y coordinate for a single black pixel in the whole image, the code should find (and paint with another color, say red) all other black pixels that are linked to that one, and so on, until all linked black points will be painted in red.This way, suppose that I have an image with 4 car parts drawed, then if I give the x,y coordinate of a black pixel, just THAT part to whose the black pixel belongs to should be painted in red. All other parts will remain black. Does it make sense?At the end, there are two pictures (before and after) to help understanding what I need to do to the images.I tried a simple 8-pixel adjacent approach for every pixel (starting on initial coordinate) but it turns out into a very stupid and endless looping algorhitm.

Code:
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms

[code]....

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Interface And Graphics :: Get The General Color Based On What Is Returned From Bitmap.GetPixel()?

Aug 28, 2009

how can i get the general color based on what is returned from Bitmap.GetPixel()? Like i want all shades of blue to just be blue, and so on

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Interface And Graphics :: Create Bitmap With Text And Transformation Generic - Error Occured In Gdi+

Sep 17, 2008

I am trying to create bitmap with my text and transformation. I am sure that there is no error in my code. Because this code is worked previously. Here is my code.

[Code]...

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VS 2008 Choppy Font Edges When Transfering Image From A Bitmap To A Graphics Object?

Jun 3, 2009

i am drawing a string to a graphics object in the eg below and then transfering it onto a e.graphics in the paint event of a panel... when doing this the font edges appear dodgey...

Here is some

Dim b As New Bitmap(100, 100)
Dim g As Graphics = Graphics.FromImage(b)
g.DrawString("Bla Bla Bla", New Font("Comic Sans MS", 18,FontStyle.Bold), New LinearGradientBrush(g.ClipBounds, Color.Red,

[code]....

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Interface And Graphics :: Printing ALL Content In Large PictureBox Which Has Scrollbars?

Feb 5, 2009

My project needs to print a large PictureBox which during runtime only part of it is shown (as it's too large, width=4000 pixels and height= 2000 pixels) and to see the rest of the picturebox, user needs to scroll through the vertical and horizontal bars. On top of the picturebox, there are many controls which are loaded and positioned by user on run-time. Those include lines, labels, another picturebox
with image and user-defined controls. Now, i need to write a print function which will print that picturebox to not too many pages in A4 size or A3 size. Not too many means less than 5 for both paper size.

1) How can i print the whole picturebox with all its contents and go to next printing page until the whole PictureBox is printed? I tried using the following code but

(i)The image of picturebox inside that picture box and user-defined control are not printed whereas others are printed. Why is that so? How can i print the picturebox including both the "un-printed"?

(ii) Even i can print out the picturebox, only the part where the picturebox is shown is printed. How can i print the whole picturebox including those parts which needs scrolling to reach?

Private Sub CmdPrint_Click()
Dim rv As Long
'Picture1 is the picturebox to be printed.

[code]....

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How To Write Content To The Already Opened EXCEL?

Sep 28, 2009

I need some code which checks if excel is open or not, if excel is not open then opens it (that code is fine)
else try to write some content/cellvalues to the already opened excel, basically I am creating windows application, which has been scheduled to run numbers of time in a day, when ever application executed, the application has something to write to the excel. one more thing is i don't want excel to save and close every time i execute the application, Its like transparent processing of EXCEL writing, a file is already opened, just write some content, and after writing it exit the application without either closing or saving the excel

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Match Two Files And Write The Content?

Sep 28, 2009

I two files like this

Error File:
[2 14.20 34.8] X8.435 Y-1.070 211.030
Short +215.534

[Code]....

From error file also i dont know how to get P value. If i used Index of ("P"). There are some other word also which contain P. Then code is not only taking the value i want from NodeList file but whole line.

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Write Content Of Stringbuilder To A Textbox?

Apr 29, 2009

I have a textbox in which i have to write content inside stringbuilder.Following is my stringbuilder.

Dim strString As New StringBuilder()
strString.AppendLine("<table>")
strString.AppendLine("<tr><td>")

[code].....

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How To Read And Write The Content Of Text File

May 5, 2009

how to read and write the content of text file to vb.net application. Now with the following code i can read the file. but the whole file appears in vb.net application itself. I want the application to read and write the content of file to textbox that is provided in the vb.net application. I don want the user see the file. My code to read the file is :[code...]

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Write In A Text File Without Overwriting Its Content?

Feb 22, 2011

How can I write in a text file that will not overwrite its content.[code]...

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VS 2008 Create A Bitmap Object From A Graphics Object?

Jun 3, 2009

i have drawn on a e.graphics object and now want to transfer the drawn stuff onto a bitmap object how can i do this?

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Asp.net - Response.Write() In Umbraco User Control Clears All Page Content?

Feb 14, 2012

I'm using the following code to add a table to a user control in Umbraco.

Try
Dim DS As DataSet = GetData()
If DS.Tables(0).Rows.Count > 0 Then

[Code]....

But what happens after the loop completes (without errors - I've stepped through the whole thing), the only content left on the page is the table.

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