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by: news.microsoft.com |
last post by:
Hello group,
My goal is to attach an image over another image.
Top image should be transparent so the back image is visible through the top
one.
Bellow is a test code in VB.NET. You need to create a form, a button
(Button1) and an Picture Box (picBox).
"watermark.jpg" is any jpg image, "beispiel.tif" is a multipage TIFF image
with the white background, which will turn to transparent.
The most important thing here is that the TIFF image...
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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: Dennis Myrén |
last post by:
Hi.
I would like to know whether it is possible - without manually reading the
raw image stream -
to determine the colorspace used in an image as represented by a
System.Drawing.Image.
I want to be able to detect whether images uses the RGB, CMYK or another
color space.
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by: Dennis Myrén |
last post by:
Hi.
I have already posted this question once, but this repost is to ensure
no gurus missed it, who might be able to help me out here;
I would like to know whether it is possible - without manually reading the
raw image stream -
to determine the colorspace used in an image as represented by a
System.Drawing.Image.
I want to be able to detect whether images uses the RGB, CMYK or another
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by: Vrijbuiter |
last post by:
I want to detect a pixel color number when i move the mouse over de
picturebox.
I think the next line has the color but i don't now how i get it:
System.Drawing.Point pt = new Point() ;
pt.X =151;
pt.Y =195;
this.textBox3.Text =
string.Format("{0}",pictureBox1.Image.Palette.Entries.ToString() ) ;
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by: Jerry J |
last post by:
I want to use the System.Drawing.Image class. According to the help file,
this is an abstract base class. Because it is supposedly abstract, I created
another class that inherits from it. However, when I did this I got the
following error:
'System.Drawing.Image.Image()' is inaccessible due to its protection level
Looking at other online examples, I found that the proper way to use it is
like this:
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by: forest demon |
last post by:
for example, let's say I do something like,
System.Diagnostics.Process.Start("notepad.exe","sample.txt");
if the user does a SaveAs (in notepad), how can i capture the path that
the user selects?
thanks...
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by: Dave Keen |
last post by:
Hi all.
Hope you can help me. This should be easy but I can't make this work.
In brief I am building a page of thumbnails using images held in a
SQLServer 2000 database. I do this by creating imagebuttons which
point to a dummy page that takes the image and displays it via
response. All works fine if I use explicit paths to a file
(response.writefile(<filename>) or directly pass through the database
image...
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by: mfunkmann |
last post by:
Hi,
I recently got an error and I don't know how to fix it:
Error 1 'System.Data.DataColumn' does not contain a definition for
'Windows' C:\c#\CsharpPRO\Form1.Designer.cs 304 77 CsharpPRO
I am note sure what to do because all propertiers work, except the
System.Data.DataColumn..
I didn't write any code by hand and used the visual studio to set the
properties..
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by: ThatsIT.net.au |
last post by:
I have this code that writes a pie chart in a asp.net page, but I want to
use it in a server control.
When I try I get a error on the last line "Response.OutputStream"
Obviously there is no response object but how do I write it to screen?
Dim objBitmap As New System.Drawing.Bitmap(400, 440)
Dim objGraphics As System.Drawing.Graphics
objGraphics = System.Drawing.Graphics.FromImage(objBitmap)
objGraphics.Clear(Drawing.Color.White)
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by: marktang |
last post by:
ONU (Optical Network Unit) is one of the key components for providing high-speed Internet services. Its primary function is to act as an endpoint device located at the user's premises. However, people are often confused as to whether an ONU can Work As a Router. In this blog post, we’ll explore What is ONU, What Is Router, ONU & Router’s main usage, and What is the difference between ONU and Router. Let’s take a closer look !
Part I. Meaning of...
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by: Hystou |
last post by:
Most computers default to English, but sometimes we require a different language, especially when relocating. Forgot to request a specific language before your computer shipped? No problem! You can effortlessly switch the default language on Windows 10 without reinstalling. I'll walk you through it.
First, let's disable language synchronization. With a Microsoft account, language settings sync across devices. To prevent any complications,...
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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: 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: isladogs |
last post by:
The next Access Europe User Group meeting will be on Wednesday 1 May 2024 starting at 18:00 UK time (6PM UTC+1) and finishing by 19:30 (7.30PM).
In this session, we are pleased to welcome a new presenter, Adolph Dupré who will be discussing some powerful techniques for using class modules.
He will explain when you may want to use classes instead of User Defined Types (UDT). For example, to manage the data in unbound forms.
Adolph will...
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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: TSSRALBI |
last post by:
Hello
I'm a network technician in training and I need your help.
I am currently learning how to create and manage the different types of VPNs and I have a question about LAN-to-LAN VPNs.
The last exercise I practiced was to create a LAN-to-LAN VPN between two Pfsense firewalls, by using IPSEC protocols.
I succeeded, with both firewalls in the same network. But I'm wondering if it's possible to do the same thing, with 2 Pfsense firewalls...
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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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