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clear... transparent... invisible..., clear/transparent window background...

edward_pogi123	15 Jan, 2008 - 02:31 AM Post #1
New D.I.C Head Joined: 24 Nov, 2007 Posts: 7 My Contributions	*hey again... how do i make my application background transparent ( so that i can see what is behind ) ????*
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benpap	RE: Clear... Transparent... Invisible... 15 Jan, 2008 - 04:55 AM Post #2
New D.I.C Head Joined: 24 Nov, 2007 Posts: 44 Dream Kudos: 100 My Contributions	QUOTE(edward_pogi123 @ 15 Jan, 2008 - 03:31 AM) *hey again... how do i make my application background transparent ( so that i can see what is behind ) ????* i was wondering too how i can make a form transparent, only the objects should be visible
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born2c0de	RE: Clear... Transparent... Invisible... 16 Jan, 2008 - 01:26 AM Post #3
printf("I'm a %XR",195936478); Joined: 26 Nov, 2004 Posts: 4,029 Thanked: 38 times Dream Kudos: 2800 Expert In: 80x86 Assembly, C/C++, VB6, VB.NET, C#, J2SE, Win32 API, Reversing My Contributions	Reduce the value of the Opacity Property of the Form.
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edward_pogi123	RE: Clear... Transparent... Invisible... 16 Jan, 2008 - 03:19 AM Post #4
New D.I.C Head Joined: 24 Nov, 2007 Posts: 7 My Contributions	buti don't see any property of the form named 'opacity', i'm using vb 6.0.
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born2c0de	RE: Clear... Transparent... Invisible... 16 Jan, 2008 - 11:16 AM Post #5
printf("I'm a %XR",195936478); Joined: 26 Nov, 2004 Posts: 4,029 Thanked: 38 times Dream Kudos: 2800 Expert In: 80x86 Assembly, C/C++, VB6, VB.NET, C#, J2SE, Win32 API, Reversing My Contributions	In that case you'll need to use 3 API Functions. GetWindowLong To get attribute information about the window. SetWindowLong To Set a window's Attribute Information. SetLayeredWindowAttributes To set the Opacity of the Window. This should do it. CODE Dim Msg As Long Msg = GetWindowLong(hwnd, GWL_EXSTYLE) Msg = Msg Or WS_EX_LAYERED SetWindowLong(hwnd, GWL_EXSTYLE, Msg) SetLayeredWindowAttributes(hwnd, 0, value, LWA_ALPHA))
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edward_pogi123	RE: Clear... Transparent... Invisible... 18 Jan, 2008 - 11:33 PM Post #6
New D.I.C Head Joined: 24 Nov, 2007 Posts: 7 My Contributions	vb6 says for the 3 functions: "function or sub not defined" is there something i need to check in the references check list? or something object/component i need to include?
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born2c0de	RE: Clear... Transparent... Invisible... 20 Jan, 2008 - 07:17 AM Post #7
printf("I'm a %XR",195936478); Joined: 26 Nov, 2004 Posts: 4,029 Thanked: 38 times Dream Kudos: 2800 Expert In: 80x86 Assembly, C/C++, VB6, VB.NET, C#, J2SE, Win32 API, Reversing My Contributions	You need to include the API Declaration for the three API Functions that you are using. Use the API Text Viewer tool included with Visual BASIC (Check the Tools subfolder) to find the API Declaration.
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edward_pogi123	RE: Clear... Transparent... Invisible... 23 Jan, 2008 - 04:01 AM Post #8
New D.I.C Head Joined: 24 Nov, 2007 Posts: 7 My Contributions	hey dude, i can't find the declaration for 'SetLayeredWindowAttributes' when i searched declarations using the api text viewer. what should i do then?
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born2c0de	RE: Clear... Transparent... Invisible... 23 Jan, 2008 - 05:21 AM Post #9
printf("I'm a %XR",195936478); Joined: 26 Nov, 2004 Posts: 4,029 Thanked: 38 times Dream Kudos: 2800 Expert In: 80x86 Assembly, C/C++, VB6, VB.NET, C#, J2SE, Win32 API, Reversing My Contributions	You could at least look at the code and guess the function declaration. It isn't mentioned in the API Text Viewer but is defined in MSDN. Here it is: CODE Public Declare Function SetLayeredWindowAttributes Lib "user32" (ByVal hwnd As Long, ByVal crKey As Long, ByVal bAlpha As Byte, ByVal dwFlags As Long) As Boolean
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