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From: Thomas Bernacki on 17 Apr 2007 16:58
Hi,

I am trying to use the MSFlexGrid ActiveX control, and I have it
working for the most part - setting the numbers of rows and columns,
putting data in, etc. However, I've tried to set the column widths
and I can't figure out how to do this. The MSDN database says
something like this should set the width of column 1 to 1000:
htable.ColWidth(1)=1000

but I get an error; in fact that property isn't even listed if I do
get(htable). It does list CellWidth however, so I tried that.
Here's the line of code I used:
htable.CellWidth=1000

but I get:
??? Invoke Error: Incorrect number of arguments

If I try
htable.CellWidth(1)=1000
I get the same error.

Here's a bit of code I've been playing with to try to figure this
out. The very last line is the one giving me trouble, I've tried
everything I can think of. Does anyone have any ideas?

%instantiate grid displaying data
htable = ...
actxcontrol('MSFlexGridLib.MSFlexGrid.1',...
[20,20,400,200]);
htable.Rows=5;
htable.Cols=5;
htable.FixedRows=1;
htable.FixedCols=2;

% insert the header row
htable.Row=0;
htable.Col=0;
htable.Text='Long Text That Doesn't Fit';
htable.Col=1;
htable.Text='Text';
htable.Col=2;
htable.Text='10';
htable.Col=3;
htable.Text='20';
htable.Col=4;
htable.Text='30';

% insert header columns
for i=1:4
for j=1:2
htable.Row=i;
htable.Col=j-1;
htable.Text=sprintf('%d',i*j);
end
end

for i=1:4
for j=3:5
htable.Row=i;
htable.Col=j-1;
htable.Text=sprintf('%0.0f',rand*100);
end
end

htable.CellWidth=1800

Thanks in advance,
Thomas Bernacki
From: Yair Altman on 17 Apr 2007 19:14
Try methodsview(htable) or methods(htable,'-full') to see the full
method signatures. Also look at msdn for online help (that was the
first Google link - come on!): <http://msdn2.microsoft.com/en-us/library/aa228849(VS.60).aspx>

Yair Altman
From: Thomas Bernacki on 18 Apr 2007 11:01
Hi,

I did in fact go to the MSDN page first... that's where I got the
details on the method in the first place! And most of the stuff that
was there did indeed work fine - setting numbers of columns, rows,
putting data in, etc.
It was just the ColWidth that was giving me the unusual error. I
actually tried the MSFlexGrid control in VB, and the command

htable.ColWidth(0)=2000

works fine (that's the way MSDN says to do it with MSFlexGrid). In
Matlab though when I run that command it tells me:
??? No public field ColWidth exists for class
COM.MSFlexGridLib_MSFlexGrid_1.

I have tried everything, and I can't get the thing to work. I was
hoping that perhaps someone had actually tried it in Matlab and
gotten it to work, or whether this is actually some kind of bug. I'm
running Matlab R14 SP3 by the way.

Thanks!
Thomas Bernacki

Yair Altman wrote:
>
>
> Try methodsview(htable) or methods(htable,'-full') to see the full
> method signatures. Also look at msdn for online help (that was the
> first Google link - come on!): <http://msdn2.microsoft.com/en-us/library/aa228849(VS.60).aspx>
>
> Yair Altman
From: Richard Lang on 18 Apr 2007 11:27
Thomas Bernacki wrote:
> Hi,
>
> I did in fact go to the MSDN page first... that's where I got the
> details on the method in the first place! And most of the stuff that
> was there did indeed work fine - setting numbers of columns, rows,
> putting data in, etc.
> It was just the ColWidth that was giving me the unusual error. I
> actually tried the MSFlexGrid control in VB, and the command
>
> htable.ColWidth(0)=2000
>
> works fine (that's the way MSDN says to do it with MSFlexGrid). In
> Matlab though when I run that command it tells me:
> ??? No public field ColWidth exists for class
> COM.MSFlexGridLib_MSFlexGrid_1.
>
> I have tried everything, and I can't get the thing to work. I was
> hoping that perhaps someone had actually tried it in Matlab and
> gotten it to work, or whether this is actually some kind of bug. I'm
> running Matlab R14 SP3 by the way.
>
> Thanks!
> Thomas Bernacki
>
> Yair Altman wrote:
>>
>> Try methodsview(htable) or methods(htable,'-full') to see the full
>> method signatures. Also look at msdn for online help (that was the
>> first Google link - come on!): <http://msdn2.microsoft.com/en-us/library/aa228849(VS.60).aspx>
>>
>> Yair Altman

Thomas,
In Matlab, COM properties that require an argument to get or set them
(in this case the column index) can only be set using the "set" command.
This should work:

set(htable, 'ColWidth', 0, 1800);

Richard
From: Yair Altman on 18 Apr 2007 22:24
I see... A while back I used MSComctlLib.ListViewCtrl.2 and in that
case the ColWidth was set when I added column headers via one of the
params (like in your case it was in the 1000's). In run-time, the
column width was modified like this:

hColHeaders = get(hActiveX,'ColumnHeaders');
for idxHeader = 1 : hColHeaders.Count
hColHeaders.Item(idxHeader).Width = newWidth;
end

hope it helps
Yair
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