Why Control Needs So Many Time To Show Transparent

Mar 24, 2012

i know that VB.net and above don't use true transparency(and maybe true opacy) except forms, but even them have 1 visual bug. because if the we put the backcolor igual to transparent key, the picturebox is transparent... but give us a form hole.i found several codes that do transparency, but i see 1 problem on them, because the control needs time to be transparent.[code]some codes(that i founded on internet) are diferent but give us the same result.can anyone explain to me why the control needs so many time to show transparent?(i have tested using the keyboard to move the control, and i see the control is like visible and then hide and then visible. and if i continue click on key, the control isn't showed until i release the key)

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Show One Transparent Picturebox On Another?

Feb 20, 2009

I have one picturebox on form, with dock fill.I need to show one transparent picturebox on another. How can i do that?Below is sample code, but it is not showing the small picture when i make main picture transparent.I just have to show a rectangle or a circle over the picturebox, for that i am using picturebox. Is there any way other than adding piturebox to do so? or can i make the small picture visible?

[Code].....

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Forms :: Make A Label Control Transparent Over A Panel Control?

Jul 9, 2009

I'm trying to make a label control transparent over a Panel control.However by setting the background colour of the label to Transparent, it actually sees right through to the form itself, not the panel as intended.

As an example we use a panel with a background as white, we make the label transparent, however it gets the form�s colour as blue.However, we are using a custom panel control and need the label to be transparent over the panel and not see the forms background.

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Make A Label Control Transparent Over A Panel Control

Jul 9, 2009

I'm trying to make a label control transparent over a Panel control. However by setting the background colour of the label to Transparent, it actually sees right through to the form itself, not the panel as intended.

As an example we use a panel with a background as white, we make the label transparent, however it gets the forms colour as blue. However, we are using a custom panel control and need the label to be transparent over the panel and not see the forms background. Is this possible?

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Make A Label Control Transparent Over A Panel Control?

Jul 9, 2009

I'm trying to make a label control transparent over a Panel control. However by setting the background colour of the label to Transparent, it actually sees right through to the form itself, not the panel as intended.

As an example we use a panel with a background as white, we make the label transparent, however it gets the forms colour as blue. However, we are using a custom panel control and need the label to be transparent over the panel and not see the forms background.

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Aero Theme Buttons - How To Make Text Show Just Color Not Transparent

Dec 10, 2011

after many weeks of annoying compatibility with windows xp, I realized that I should change the .netbar buttons to standard windows buttons. When I did this, and put the button on the transparency area and then debugged the application. I found out that the transparency add-in made the text inside the button transparent: How can I make the text show just the color, not transparent?

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List To Update Every Time And Show The Values Each Time To Which The Previous Value Is Added To The New Calculation?

Jun 22, 2010

The idea with this form is to add the futures which is calculated when the button is pushed but I need the list to update every time and show the values each time to which the previous value is added to the new calculation, e.g. of what it should look like in listbox:

Year 1: $1,290.93
Year 2: $2,724.32
Year 3: $4,350.76
etc....

I have been working on this a while and I am at a standstill, I was given a function to clear the form everytime it calculates but I don't know how to implement it, I am new to VB. Here is what I have so far:

Public Class frmFutureValue
Private Sub btnCalculate_Click(ByVal sender As System.Object, _
ByVal e As System.EventArgs) Handles btnCalculate.Click

[code]....

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Show Messagebox/play Sound When System Time = Time Displayed In Listview?

Nov 13, 2010

Basically i'm trying making a task manager program for myself. I want to know how I can display a message box and or play a sound when system time = time displayed in listview. I have used a dropdown box for the user to select which option they would like to select - sound or message box to popup. The data for the task will be stored in a listview box. I want it so that when the date and the time is = to the date and time set for the reminder the action will follow.Here is my code so far:

Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
Dim notext As String = ""
If TextBox1.Text = notext Then[code]....

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Forms :: Transparent Label Over Real Time Graph?

Apr 11, 2011

I'm trying to create a label that displays sensor output readings. These are small labels inside a picturebox that has a real time graph of the sensors. I'm trying to make the labels transparent or semi-transparent in order to see the entire graph. Setting the labels background color property to transparent only gives the labels the same color property of the picturebox not the actual images of the picture box. I have set the label.parent = picturebox1.

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C# :: Transparent User Control In .net?

Apr 28, 2009

I'm trying to make a web style button with user control. I need to make User Control's background transparent. How to do this without making controls invisible. Also I'll need transparent Label and PictureBox.

Trying to make something like this:
this.SetStyle(ControlStyles.SupportsTransparentBackColor, true);
this.BackColor = Color.Transparent;

[code].....

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Transparent Control's Background

Dec 16, 2010

I have been looking in a lot web site and forums trying to find the way to make my picturebox background transparent or catch whatever I drew on top of a transparent panel, let's explain it.
Case 1-) I trying to make an app, where the user can load onto the winform a word document(I have part this ready), then I put on top of the control where the doc. is loaded a transparent panel(this part is ready too) and the user can sing (on top the panel) then I need to get the user's draw(sing) and print it in the document.

Every time that I try to do it always I get everything that is within the panel area, then I just want the user's sing.

case 2-) I tried to use a picturebox then it works perfect, I can get just the user's sing and print it back in the document, but the problem is, I can't put a picturebox on top of the control where the doc. is loaded because then I can't see the doc.

If anybody wants to see the code to make the panel transparent, or catch whatever you draw on top the pictureBox.

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How To Make Transparent User Control

Oct 17, 2011

I did some research on how to make transparent User Control, The suggested code was like this:
Private Sub New()
' This call is required by the Windows Form Designer.
InitializeComponent()
' Add any initialization after the InitializeComponent() call.
Me.SetStyle(ControlStyles.SupportsTransparentBackColor, True)
Me.BackColor = Color.Transparent
UpdateStyles()
End Sub

When I build the project, there is no errors. But, When I try to load my user control using the "Choose ToolBox Items" dialog, it gives me the following error message:
"There is no components in [dll path] that can be placed on the toolbox."

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Transparent Control Shows Up As Black

Aug 6, 2009

Im working on in VB.net. Basically I�m trying to create a nice looking control that draws several PNG images (stars in this example) that light up as you hover the cursor over them. This side of things is working perfectly (see picture 1).

[URL]

The problem is trying to make it work using a transparent background for the control. I can make the control transparent by setting the controls back color and using Me.Setstyle to enable transparency support, but every time the image refreshes to show any lit stars it repaints over the stars again � making the shaded areas darker each time. This results in a horrible mess (see picture 2).

[URL]

Next I tried to clear the background each time a repaint occurs so that the stars are drawn on a blank canvas each time to stop this problem. The only way I know how to do this is to use graphics.clear(Color.Transparent) before my code to paint the star images. But this does not work as the control shows a black background instead of a transparent one (see picture 3)!

[URL]

away the background to leave me with a transparent canvas to paint images onto? And is anyone smart enough to come up with a solution to this irritating issue?

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Transparent Ruler / Bar Type Control

Nov 14, 2011

I am looking for a VB control that operates as a more or less transparent or semi-transparent ruler or bar that can be scrolled up and down the form over an invoice or letter, so that the user can see what is under the ruler/bar and thus stop scrolling when he reaches a certain point.

To give a bit more detail of what I am looking for - such a bar is used when someone is setting the focus on a line of a long list of items so that they know where they are all the time. Most people would use a ruler on a paper list to keep track of how far they have progressed down the list. It would be nice though to have the "ruler" or bar as semi-transparent so that the user can see under where he is at on the list or form.

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Build Own TrackBar Control With Transparent BackGround?

Jan 9, 2008

I'm back, and now with a great problem...I need to put a TrackBar in my application, in a Panel with an ImageBackGround... but the TrackBar doesn't work with Transparent Background...Now I want to build my own TrackBar Control, but support the Transparent Background...I read in some page that I need to use CustomDraw... to customize te aparience of my TrackBar... but I can't undertand how..

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Create Custom Transparent Panel Control In VB?

Dec 27, 2008

I'm trying to create a simple transparent PANEL control. I want to create a custom control based on the existing Panel Control with a property added called "transparent" which can be set to true or false. If it's set to true it's transparent(not invisible). So if I place it over some controls in a form say a button or text box... they are visible but disabled.

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Create Transparent Labels Over A Video Control?

Oct 31, 2011

I'm pretty much out of ideas here... for everything else, setting the background color to Color.Transparent or setting the TransparencyKey works fine...

I have an mp4 Video which I need to play as a "background" of my form. To do this, I'm currently using the WMP control. My problem: I can't add any controls on top of it, since they always render a background. Which looks ** on the video...

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Detect Mouse Events On Transparent Control?

Aug 18, 2010

I have transparent form with a panel on it also set with a transparent background so you can see rite through it

what im trying to do is when you put the mouse over the panel it displays a picture and when the mouse leaves the picture goes away..the problem is that it doesnt detect the mouse when its over the panel. if i make the form background non-transparent it detects it just fine but i need it to work when both the form and panel are transparent

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PictureBox With Transparent Image - Showing Control Behind It

Nov 7, 2010

I am working on my game maker and I need to make it so that a picturebox with a transparent image will show the control behind it, like if the control has a image or just a color.

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VB 2010 - How To Make User Control Transparent

Mar 19, 2012

I have code for make the usercontrol transparent:
Protected Overrides ReadOnly Property CreateParams() As CreateParams
Get
Dim cp As CreateParams = MyBase.CreateParams
cp.ExStyle = cp.ExStyle Or &H20
'WS_EX_TRANSPARENT
[Code] ......
These code shows the usercontrol transparent. But when the control moves I see that these control needs time to be transparent or drawing an image. Why so many time(maybe 2 seconds)? And why I can't use directions keys on keydown event? (The arrow keys are ignored).

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VS 2010 - How To Make Control 50 Percent Transparent

Mar 10, 2011

I'm making a software where I need to have a transparent background in my form and then 50% transparent control. I don't know how to make the control 50% transparent without getting the back color from the form as back color.

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"Control Does Not Support Transparent Background Colors?

Aug 3, 2011

I am trying to use a background image for one of my programs and I get this error when I try to make the BackColor Transparent. It allows me to use the Background image I want but I get this error when I try to change the BackColor to Transparent. A Box pops up that says "Property value is not valid.", then when I click Details, it says "Control does not support transparent background colors."

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Interface And Graphics :: Transparent Background In User Control?

Dec 3, 2008

I am attempting to write a simple 11ball style game. It requires images of poolballs overlapping each other. Since the balls will need some internal intelligence I was hoping to create them as usercontrols.I am having trouble gettiing the control's background to be transparent.Setting the background color to (Web) transparent only makes the background clone the form background color.

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VS 2010 Bringing Transparent Control To Front (over Video)

Feb 4, 2011

I'm trying to bring a transparent user control (being used as a drawing layer) to the front, over a page that will be playing video.Me.BringToFront() didn't seem to work, and when I tried Me.SetTopLevel(true) in the load, this gave me an InvalidOperationException. Here's what I have so far, sorry for the commented lines.. lots of trial and error (I'm very new, just an intern at the moment)[code]

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Correctly Refresh/redraw Semi-transparent Custom Control?

May 26, 2010

I have a semi-transparent custom control in vb2005 - works fine, except I can't get it to update/refresh correctly. If I update the custom parameter _backgroundColor, the control appears to be overpainted - e.g. each attempt to update the colour of the control overpaints the existing colour - until it becomes a solid block of colour. However, forcing a refresh of the form makes the control display the correct colour. Any ideas? I don't want to have to repaint the form just to get this control to render correctly. Code for the custom control is below.

[Code]...

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Make Part That Drops Down Semi-transparent Or Completely Transparent Resembling Floating Text?

Oct 27, 2010

[code] how to make the part that drops down semi-transparent or completely transparent resembling floating text. So that I can see the form underneath.

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Run Time Control Creation - Add X-number Of Text Boxes At Run Time

Jun 9, 2011

Just getting started in VB.NET. I would like to add X-number of text boxes at run time. And then be able to address them by their index or some sequential numerical value (like an array)

This is what I have so far:

CODE:

When I turn this into a loop to create multiple toolboxes, how do I assign a name to the controls, or will all of them be named "MyTextBox" ? I'll increment their position so thats no problem.

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Timer Control - Set The Start Time And Finish Time?

Feb 24, 2012

im using the timer control, how do i set the start time and finish time? for eg, show a label text for 4 secs then hide. Googled for examples but still no joy.

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DateTimePicker Control Set Time To 00:00:00 Instead Of Current Time

May 12, 2010

I have a form with the DateTimePicker control on it. When I select a date it gives a value like "date time" (Eg.: 5/12/2010 12:20:35 PM). But here the time returned is current time. What I need is for the date chosen from the picker automatically set the time to 00:00:00 instead of the time when the date was picked.

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DateTimePicker Control Set Time To 00:00:00 Instead Of Current Time?

May 12, 2010

i have a form with the DateTimePicker control on it. When I select a date it gives a value like "date time" (Eg.: 5/12/2010 12:20:35 PM). But here the time returned is current time. What I need is for the date chosen from the picker automatically set the time to 00:00:00 instead of the time when the date was picked.

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