Picture box variable Uses?? *Answered*

Morning ladies, gentlemen, small children, pets and UDP packets.

I have been looking around for a few days and still unable to find the meaning to life. Maybe i have been asking the wrong question but who knows. If someone could answer it for me, I would greatly appreciate it and be able to live in a state of ahh knowing such knowledge :D

Mostly i am wondering about using a variable declared as a picturebox variable. I was wondering if its possible to declare said variable and not use an actual picture box item to work with the picture?

For Example:

VB Code:

Dim Picture1Temp As PictureBox
    Dim picture2Temp As PictureBox
    
    picture2Temp.Picture = LoadPicture(sDir & sFileName)

the above code doesn't quite work :( when you go to load the picture you get the error . .

Number: 91

Object variable or with block variable not set.

Now i know i am just overlooking something obvious, i don't normally work with graphics much and have been running a fever for 2 days, so needless to say, ye old brain is taking a vacation without me. Thanks much in advance for any assistance.

The answer to the ultimate question is 42, in case you didn't know.

Have you checked if the file you're referring to is existant? Mayne sPath doesn't end with a \, so you end up with something like:

C:\path\to\my\filemyfile.bmp
instead of
C:\path\to\my\file\myfile.bmp

I would hope if that is the case microsoft would actually give the "File not found" error :) but then again this is microsoft stuff.

You would pretty much get the same error even if you tried to change a property like.

picture1temp.autoredraw = true

Pretty much found the answer i was hoping not to hear in an alternate thread.

http://www.vbforums.com/showthread.p...73#post1168173

In case anyone else wants the answer.

I ended up just putting two picture boxes on a form that had focus and moving them out of view.

You can try using the Picture or StdPicture object instead.

Quote:

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The Picture object enables you to manipulatebitmaps,icons,metafiles enhanced metafiles, GIF, and JPEG images assigned to objects having a Picture property.

Syntax

Picture

Remarks

You frequently identify a Picture object using the Picture property of an object that displays graphics (such as a Form object or a PictureBox control). If you have a PictureBox control named Picture1, you can set one Picture object equal to another using the Set statement, as in the following example:

Dim X As Picture
Set X = LoadPicture("PARTY.BMP")
Set Picture1.Picture = X

You can use an array of Picture objects to keep a series of graphics in memory without needing a form that contains multiple PictureBox or Image controls.

You can not create a Picture object using code like Dim X As New Picture. If you want to create a Picture object, you must use the StdPicture object like this:

Dim X As New StdPicture

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Yes very true, i had thought about using the stdPicture variable; however, it didn't offer the options i need. The PictureBox variable does; however, you need a picturebox to use it from what i gather.

I needed the .hDc extension for some functions which took the image pixel by pixel and roated and grey scaled the image.

Again thank you all for your input as always it has been a great help and hopefuly to others as well.