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by: Toby Mathews |
last post by:
Hi,
In an ASP.Net application I want to convert open create a FileStream
object from a System.Drawing.Image - is this possible? I create an instance
of an Image object using the FromFile method, then use the GetThumbnailImage
method to create a second Image. This second one is the one I want to get a
FileStream from, so that I can then use its Handle to use Response.WriteFile
to output the thumbnail on my ASP.Net page.
Any help would...
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by: padawan |
last post by:
I have a winforms control that draws a rectangle for a boarder and positions
some graphical elements around the control to create the boarder effect I
desired. In the control I have overriden the onpaint event and added the
code to draw my rectangle and position my graphic items:
Protected Overrides Sub OnPaint(ByVal e As
System.Windows.Forms.PaintEventArgs)
e.Graphics.Clear(Color.FromArgb(255, 255, 255))
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by: Tomi Holger Engdahl |
last post by:
I am looking for a solution to add on-line drawing tool
to a phpBB discussion board.
The idea would be that the users can draw their own
simple drawings with the tool and attach them easily
as images in the discussion. The idea is to easily
add small drawings to the postings.
The drawign tool should be easy to use and learn.
It should be easily integrate to the phpBB system.
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by: Metallicraft |
last post by:
I have a vb6 application. On the main form is a picture
box with one or two images and several pieces of text
displayed in it. These are created on the fly using gdi32
routines that are all in a referenced, custom dll. I call
a PrintImage routine in the dll and pass it only the the
Picturebox.hdc from the main form. The dll's print routine
draws to the hdc and it shows up in the picturebox
perfectly.
I would like to do a similar thing...
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by: George |
last post by:
Dear colleagues,
I refer to your help with specific graphic problem. It is
necessary to create a viewfinder in graphic application.
It seems that the algorithm is simple: just draw lines
in specific position in according to value of some
controls, track bars, for example. Next read the track
bars value to find the coordinates of lines cross.
It works, but I can not get real cross because the
background image is being deface by lines...
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by: Mchuck |
last post by:
I've seen several newsgroup topics everywhere concerning
this, as well as a couple of articles from the MSDN
website, but this error still baffles me.
It has to do with using the Image.FromStream(...) function
to load an image into a PictureBox control from a byte
array received from an SQL Server database. Here's a
snippet of what I've been trying to achieve:
----------------------------
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by: davetelling |
last post by:
I am not a programmer, I'm an engineer trying to make an interface to a
product I'm designing. I have used C# to make a form that interrogates the
unit via the serial port and receives the data. I want to be able to draw
lines in a picturebox based upon certain data points I have received. I
dragged a picturebox from the toolbar onto my form, but after having gone
through the help files, looking online and trying a variety of things, I...
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by: RobinS |
last post by:
I am drawing a rectangle on a picture that has already been drawn
on the graphics area (a user control). It works something like this:
//in the MouseDown event
m_isDragging = true;
m_oldX = e.X; //save original positions
m_oldY = e.Y;
//in the MouseMove event
if (m_isDragging)
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by: Macias |
last post by:
Hi,
Please help me, how I can make a line drawing on PictureBox similar to
MS paint. I thinking about this: click and hold button, move mouse and
relase button.
I'm trying useing this g.DrawLine(..), but I have a lot of line.
In C++ is a parameter XORPUT, but in C# I can't find it.
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by: raylopez99 |
last post by:
I have a logical drawing space much bigger than the viewport (the
screen) and I'd like to center the viewport (the screen) to be at the
center of the logical drawing space. After following the excellent
transforms specified on Bob Powell's site, I still wonder if there's
an easier way of centering it than the following procedure?
Here is what I do now (it's awkward but it works):
1) I follow the transforms specified on Bob Powell's...
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by: Oralloy |
last post by:
Hello folks,
I am unable to find appropriate documentation on the type promotion of bit-fields when using the generalised comparison operator "<=>".
The problem is that using the GNU compilers, it seems that the internal comparison operator "<=>" tries to promote arguments from unsigned to signed.
This is as boiled down as I can make it.
Here is my compilation command:
g++-12 -std=c++20 -Wnarrowing bit_field.cpp
Here is the code in...
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by: jinu1996 |
last post by:
In today's digital age, having a compelling online presence is paramount for businesses aiming to thrive in a competitive landscape. At the heart of this digital strategy lies an intricately woven tapestry of website design and digital marketing. It's not merely about having a website; it's about crafting an immersive digital experience that captivates audiences and drives business growth.
The Art of Business Website Design
Your website is...
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by: Hystou |
last post by:
Overview:
Windows 11 and 10 have less user interface control over operating system update behaviour than previous versions of Windows. In Windows 11 and 10, there is no way to turn off the Windows Update option using the Control Panel or Settings app; it automatically checks for updates and installs any it finds, whether you like it or not. For most users, this new feature is actually very convenient. If you want to control the update process,...
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by: tracyyun |
last post by:
Dear forum friends,
With the development of smart home technology, a variety of wireless communication protocols have appeared on the market, such as Zigbee, Z-Wave, Wi-Fi, Bluetooth, etc. Each protocol has its own unique characteristics and advantages, but as a user who is planning to build a smart home system, I am a bit confused by the choice of these technologies. I'm particularly interested in Zigbee because I've heard it does some...
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by: conductexam |
last post by:
I have .net C# application in which I am extracting data from word file and save it in database particularly. To store word all data as it is I am converting the whole word file firstly in HTML and then checking html paragraph one by one.
At the time of converting from word file to html my equations which are in the word document file was convert into image.
Globals.ThisAddIn.Application.ActiveDocument.Select();...
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by: adsilva |
last post by:
A Windows Forms form does not have the event Unload, like VB6. What one acts like?
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by: 6302768590 |
last post by:
Hai team
i want code for transfer the data from one system to another through IP address by using C# our system has to for every 5mins then we have to update the data what the data is updated we have to send another system
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by: muto222 |
last post by:
How can i add a mobile payment intergratation into php mysql website.
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by: bsmnconsultancy |
last post by:
In today's digital era, a well-designed website is crucial for businesses looking to succeed. Whether you're a small business owner or a large corporation in Toronto, having a strong online presence can significantly impact your brand's success. BSMN Consultancy, a leader in Website Development in Toronto offers valuable insights into creating effective websites that not only look great but also perform exceptionally well. In this comprehensive...
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