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October 23rd, 2009, 03:25 PM
#1
DWM Flip3d Policy TopMost
I just read a recent article here at the code guru about the flip-3d feature available on Vista and Windows 7.
It allows, you to place an application above, or below the windows being flipped.
Here is a VB example of that code really neat code.
Code:
Const DWMWA_FLIP3D_POLICY As Int32 = 8
Const DWMWA_EXCLUDE_NONE As Int32 = 0
Const DWMWA_EXCLUDE_BELOW As Int32 = 1
Const DWMWA_EXCLUDE_ABOVE As Int32 = 2
Private Declare Function apiDwmSetWindowAttribute Lib "DwmApi" Alias "DwmSetWindowAttribute" (ByVal hwnd As Int32, ByVal attr As Int32, ByRef attrValue As Int32, ByVal attrSize As Int32) As Int32
Private Declare Function apiDwmIsCompositionEnabled Lib "dwmapi" Alias "DwmIsCompositionEnabled" (ByRef enabledptr As Boolean) As Boolean
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
'If Aero enabled
If IsAeroEnabled() = True Then
'Set above flip-3d windows
apiDwmSetWindowAttribute(Me.Handle.ToInt32, DWMWA_FLIP3D_POLICY, DWMWA_EXCLUDE_ABOVE, Runtime.InteropServices.Marshal.SizeOf(DWMWA_EXCLUDE_ABOVE))
End If
End Sub
Public Function IsAeroEnabled() As Boolean
Dim os As Int32 = CDbl(Environment.OSVersion.VersionString.Substring(21, 3))
If os <= 5.1 Then Return False
apiDwmIsCompositionEnabled(IsAeroEnabled)
End Function
Last edited by TT(n); October 23rd, 2009 at 03:32 PM.
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October 26th, 2009, 08:27 AM
#2
Re: DWM Flip3d Policy TopMost
Thanx for sharing!
Do you think I should add this to the FAQ section.
While I'm on the topic of FAQs.
I wish, how I wish that the FAQ section would start growing, and people would help us with it....
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October 26th, 2009, 11:15 AM
#3
Re: DWM Flip3d Policy TopMost
Hello Hannes,
Hey that would be a good idea.
I noticed that sometimes my apps, are excluded from the flip list altogether.
I'm not sure if there is a bug, but now my app is included and on top.
We sure could use more FAQ.
I've got a few kicking around, but I've been lazily busy.
Thanks
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October 26th, 2009, 11:24 AM
#4
Re: DWM Flip3d Policy TopMost
Originally Posted by TT(n)
I noticed that sometimes my apps, are excluded from the flip list altogether.
I'm not sure if there is a bug, but now my app is included and on top.
Thanks
Interesting...
I'll try to see what I can puzzle out ( not that I'm much help to you )
BTW, Excellent article! :
http://www.codeguru.com/vb/gen/vb_sy...le.php/c16501/
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October 26th, 2009, 05:08 PM
#5
Re: DWM Flip3d Policy TopMost
Oh thanks,
Perfect example,
I compiled the on screen keyboard in the article, just before I started
using the flip3d above constant.
The keyboard is no where to be seen, in the flip list, above or below it.
Now that it's visible and above, I can click down the left win key.
Physically press tab to initiate the flip feature.
Then scroll with the mouse, left hand free!
Not that I even use that feature.
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