Hello,
Is there a way to alter the opacity of an MDI child window? I've tried
setting the Opacity property, but it has no effect on the children (fine
for the parent though).
(I want to write an app where I can open several images in child forms,
resize them and manually overlay them on top of each other, and control
the transparency so I can fade from one to the other to visually compare
them).
Thanks,
Gary
4  7677 
The Opacity just calls to the Layered Windows api. That api only works with
top level windows - i.e. windows without parents; it won't work with an mdi
window.
-- http://www.khsw-be.net
"beaker" wrote: Hello,
Is there a way to alter the opacity of an MDI child window? I've tried
setting the Opacity property, but it has no effect on the children (fine
for the parent though).
(I want to write an app where I can open several images in child forms,
resize them and manually overlay them on top of each other, and control
the transparency so I can fade from one to the other to visually compare
them).
Thanks,
Gary
kHSw wrote: The Opacity just calls to the Layered Windows api. That api only works with
top level windows - i.e. windows without parents; it won't work with an mdi
window.
Hmmm.... can anyone suggest an alternative way I might go about solving
my problem then?
Thanks.
I guess you could try using Windows API's (here's an example: http://www.planetsourcecode.com/vb/s...44695&lngWId=1)
But I've seen some unpredictable behaviour using MDI's and Transparency like
menu's not refreshing, no close button on the form, ...
-- http://www.khsw-be.net
"beaker" <bl******@rhuba rbrhubarbblahbl ah.net> wrote in message
news:%2******** ********@TK2MSF TNGP10.phx.gbl. .. kHSw wrote: The Opacity just calls to the Layered Windows api. That api only works
with top level windows - i.e. windows without parents; it won't work with
an mdi window.
Hmmm.... can anyone suggest an alternative way I might go about solving my
problem then?
Thanks.
kHSw wrote: I guess you could try using Windows API's (here's an example:
http://www.planetsourcecode.com/vb/s...44695&lngWId=1)
But I've seen some unpredictable behaviour using MDI's and Transparency like
menu's not refreshing, no close button on the form, ...
Thanks, I'll take a look at that This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics | |
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