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Hello, I have been playing around with asm and MMX to enhance graphics rendering speed. Here is what I have come up with in the form a routine that produces vertical gradient. If i'm honest it's more...

Ok, i've been working on this for a while now and I am struggling so I hope that someone can help me. Simply i am writing an imaging library and I need fast bitmap access so naturally I opted for the...

Okay, still learing this whole C++ thing.. I am having trouble with what is most likely one of the more simple parts of C++. The #Include Directive and header files. So my program is full of...

Hi, i'm just learning c++/cli I have a VB.Net and C# background. The transition from VB.Net to C# was quite painless, from C# to C++/Cli is different all together.

So anyway to my question. I...

Just incase anyone encounters the same thing, I believe I have found the problem. Unfortunately it can't be resolved... I don't think.

When System.Drawing initializes Gdiplus it also installs an...

Yes, ReleaseDC would be assumed based on my background, i just left it out for simplicity, however it never actually get as far as ReleaseDC as the following code throws the exception on the...

I'd be glad to show you some code. It's pretty simple

PInvoke Signatures..


[DllImport("gdiplus.dll", CharSet = CharSet.Unicode, SetLastError = true, ExactSpelling = true)]
public...

Hi to all, I am a very frustrated programmer!! In an attempt to speed up the performance of rendering to a high performance application I am writing I had the great idea of natively calling GDI+...

Can anyone tell me what i am doing wrong with the FrameRgn API i've tried as many different ways of doing at as i can think of and still nothing. The Function returns 0 but the...

Hi all, i am attempting to darken some pixles on a bitmap. Howver when i do this i see some some strange effects. The pixels darken ok, but it seems to change the color of the original bitmap where...

Hi all, so i've finished creating my new popup menu, but i'd just like to add a finishing touch. Having looked at all the popup menu's around i see that they all have this drop shadow effect. I...

Thanks, thats useful info. But i am still struggling with how to adjust the alpha channel. From the link you gave me i am confident now that i could change the color of the pixels i need, however for...

Hi all, i hope someone can help me with this one. I am using vb.net and i am looking to create a transparent form with drop shadow, but since my target platform is windows 98 i can't use layered...

Thanks for all the help, but i have a good amount of experience with GDI+ and the drawing of the items or creating collection based controls is not a problem. It's just the parts i have described in...

Thanks for the link, but i have already tried the methods that are dicussed that that thread. The problem is when opening a new form the mainform will lose the focus and if you focus the main form...

apologies, this is on .net 1.1, and yes the side opening form you have mentioned would be one of the things i'd like it to do. So basically i need a context menu that can pop up outside of it's...

Hi, i have a question that is causing me a bit of a headache. The Popup menu's (i.e context menu's/ menu items) that ship with vb.net do not have the functionality that i need for a control that i am...

Thanks for the link, and there is going to be a white paper published on there in the next few months which I'm looking forward to reading. However, my present problem remains. Here's what i am...

Hi all, this is a just a general question with regard to creating custom designers for component development. There seems to be very little info about this subject on the web, and what is there is a...

Thats fantastic work. I was wondering if you were planning to do .Net version?

O.k, thanks for all the help with this one but i finnaly figured it out with the help of some distant site that i've never heard of. Actually it's quite simple and it's also quite a useful bit of...

Thanks for the reply, but it doesn't seem to appear in the add/remove references dialog. The guy who done this is obviously way better than me. And more to the the point i'm sure he's having a good...

Hi i know this is probably gong to sound hackish, but i promise there is a vaid reason. Here's my problem, i have been given the task to move our programs to our new systems. However the programmer...

Hi all, i hope you don't all think i'm a completly useless but, i will be soon starting my course for vb.net. They told me that it would be beneficial to have 2 desktops, server/client, so i have...

I hope that i'm not out of place asking this here, sorry if i am. I am just about to undertake a course in vb.net hopfully leading to MCSD. I am quite a noobie but understand the basics well. After...

Hi, i have a dll with a usercontrol. This usercontrol accesses it's parent form from using the parent property. Easy so far... But then i need to be able to invalidate or force a repaint of a...

Hi, i have created a user control and everything works fine except for one part. I would like to be able to get the parent of the control from the second the control is added to the form. However...

Cool Jmcilhinney, Cool.

Thanks for the link, but unfortunately the textbox doen't conform to the nomal owner drawing standards that other controls do. It seems that the .net textbox is merely just a thin wrapper around the...

Hi all, i believe that i have asked this on just about every forum i can think of, yet noone seems to be able to help me out. Iknow that it is possible as i have seen the end result but i just cant...

On most code project sites there is source code available for download. If you could compile them into a control library, you could then use reflector to have a look at the vb code. It may need...

You say that yuo are halfway there, so i'm sorry if i'm not getting the context of this thread. But is it that you want to implement a transparent listbox? if so here's a link that should guide you...

Please can someone help me out with this, i've been stuck on it now for over a day. Even if you cant help meout with my code. Could someone please show me a snippet on how to correctly implment the...

I can't get to my pc right now, i'm having to use a friends. I don't think i can use datatable.acceptchanges as this is going to reset the state of all the deleted rows. So when i try to update the...

Hi all, i was wondering if someone could please help me with this. I am trying to implement an owner draw fixed list box. I can draw all the items and change the colors etc. I can bind the listbox to...

Don't wory if you've already solved the arc problem, but if not here's a function that return a rounded rectangle graphics path the size of any rectangle you pass in as an argument

Public Function...

Sorry if i wasn't clear enough. What i'm trying to do is create a function to parse date formats when they are passed in as a string inside an array. So as i know that the date format (DD/MM/YYYY)...

Am new to vb.net have just started playing around with regular expressions and was wondering if anyone knows of a way to only search a certain amount of characters in a string or text file use the...

For size reasons, I understand that an oleobject field can hold up to 2GB i have some very large text fields, Health and safety information, i am beginning to consider another way around, i.e...

Maybe i'm wrong here, but won't vb6 become redundant with the introduction of future versions of windows i.e 64 bit.