Hi,
Does any expert know how to get a Color RGB value of a
single pixel location on a picturebox control in which
an image is shown? Any method name to suggest?
Thanks for your kind attention,
Raymond
Hi,
I implement some drawings on a PictureBox control
on a form. However, when the form minimize and
show again, the drawings on the pictuerbox control
disappears. Is there any redraw event I need to
implement so that the drawings on the picturebox
control are keeping persisent.
Thanks for...
Hi,
I used Visual Studio .NET 2003 in programming Visual Basic .NET. I have one copy installed in office and another
copy installed on my notebok. However, I found that some
shortcut keys (not sure all shortcut key/function keys
are totally different) for the two programs are different.
For...
Hi,
I try to draw a rectange on a picturebox
image but there is not nothing to be shown
on the image. Does someone help me what is
wrong with my code?
Dim blackPen As New Pen(Color.Black, 3)
Image1 = Image.FromFile(l_strfilename)
PicImage.Width = Image1.PhysicalDimension.Width
PicImage.Height...
Hi,
I use a bitmap object to load a gif image and its pixel values
are retrieved by GetPixel() function. However, the gif contains a transparent color and GetPixel() ignores the transparent color property. Does anyone know to enable transparent property in bitmap object, I know there is a...
Hi,
I have a form that containing a horizontal scrollbar and
a textbox controls. I set the min and max properties of
the scrollbar to 0 and 255 respectively, and the smallchange
and largechange properties of the scrollbar are set to
1 and 10. A scroll event of the scrollbar is added so that
the...
Hi,
I add a horizontal Scrollbar and a textbox on a form.
When the scrollbar is scrolled, the scrollbar value will be
set to the textbox.
Then I set min and max value of the horizontal scrollbar
to 0 and 255 respectively, and then smallchange and largechange
properties are set to 1 and 10...
Hi,
I have a variable "Dim color1 as Color", but when I
use "if ( color1 is nothing ) then ...."
the VB.NET does not let me to do so....I don't know why.
Can someone teach me if there is another way of doing
the same thing?
Thanks,
Raymond
Hi,
I encounter a problem of passing a 2-dimensional array
into a module function. I search the web for the solution
but failed to find it. Do you know how to do it?
Any sample code to help?
Thanks for your kind attention,
Raymond
Hi,
I have a 2-dimensional array, let say A(2,3) as integer and
a function func1(ByRef a() as integer), does anyone know
how to pass the 1st dimension array into the function? (just like the one we can do in language C )
e.g. pass A(0, 0), A(0, 1), A(0, 2) into the function
Hope you...
Hi,
My program has a MDI form and a child form. I create a ImageList and set it as a public attribute. But in my
child form, when I type :
Dim frm as new frmMDI()
there is no the imagelist available in the property lists
when I type "frm.", does any one know what is wrong with
my concept or...
Hi,
Does anyone know any function can convert a time elapsed
count in seconds into a format hh:mm:ss?
For example, 62 seconds ---> 00:01:02.
Please help! Thanks for your kind attention,
Raymond Lee
Hello,
I hope some experts can let me know the solution for
the following problem.
I have a frmMDI parent form and a child form. I create
an OLEDBConnection object which is connected to
an Access data file. I place this OLEDBConnection
object in the MDI form and make it private. And then
I...
Hi,
Usually we need to use picture controls to display
some gif/jpg images in VB.NET projects. But is there
any way to include those image files into our projects
so that the images are included in the exe when the
project is compiled. Or the VB.NET project will
help us to deploy those images...
Hi,
I am a newbie to VB.NET and I hope some experts can help
me to solve my problem. My program has a window form
with a progressbar in it. When my program starts
running and the progressbar displays the % progress,
I try to click "cancel" to terminate the running on
the progress bar window...
Hi,
Does anyone know where I can find an evaluation
copy of Crystal Analysis 9/10 Professional? I visited
the crystal-decisions website but I only find
the Crystal Report Developer and Enterprise evaluation.
But I can't find the analysis version.
If you can give me the link of it, I will be...
Hi,
Does anyone know where I can find an evaluation
copy of Crystal Analysis 9/10 Professional? I visited
the crystal-decisions website but I only find
the Crystal Report Developer and Enterprise evaluation.
But I can't find the analysis version.
If you can give me the link of it, I will be...
Hi,
My name is Raymond and I am completely new to
Crystal Report. I used other report utilities before
for our systems. Well, as my boss asks me to do
some OLAP reports in Crystal Report now....and
I have a Crystal Report 9 Enterprise Ed CD. As the
product cover said it should include Crystal...
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