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dear sir,
i want to control system sound using slider.
how can i do ?? any idea???
yogesh
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Greetings,
Create a handler for the slider value changed event. Then in that event handler, set the sound volume of your player. Of course, make sure that whatever values you use in the slider correspond proportionately to the sound volume of your audio player.
I am doing the same thing in my project and here is the code I use:
<pre>
private void OnSliderMusicVolumeValueChanged(object sender, RoutedPropertyChangedEventArgs<double> e)
{
if (myMusicManager != null)
{
myMusicManager.Volume = SliderMusicVolume.Value;
}
}
</pre>
myMusicManager is just the name I gave to a class that wraps the wpf media player. Below is where I get and set the volume using the appropriate conversions.
<pre>
public double Volume
{
get
{
return myMusicPlayer.Volume * 10; // myMusicPlayer is the actual wpf media player
}
set
{
myMusicPlayer.Volume = (value / 10);
}
}
</pre>
I hope this helps, let me know if you have any more questions.
Blitz
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Need a chat application in wpf using TCP/IP service,not using wcf
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You having an issue doing it or just asking if anyone here has one they are willing to give?
WPF does not really stop you form using raw sockets unless you are doing an XBAP, app and then you may need to adjust some security to allow it to work.
Do you have a specific aversion to using WCF or do you have a hard requirement that you must use raw sockets.
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Listen PartSocket newsock = new Socket( AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp );
IPEndPoint iep = new IPEndPoint( IPAddress.Any, 2091 );
newsock.Bind( iep );
newsock.Listen( 5 );
newsock.BeginAccept( new AsyncCallback( AcceptConn ), newsock );
void AcceptConn( IAsyncResult iar )
{
Socket oldserver = ( Socket )iar.AsyncState;
client = oldserver.EndAccept( iar );
Thread receiver = new Thread( new ThreadStart( ReceiveData ) );
receiver.Start();
}
void ReceiveData()
{
int recv;
string stringData;
while( true )
{
recv = client.Receive( data );
stringData = Encoding.ASCII.GetString( data, 0, recv );
if( stringData == "bye" )
break;
}
stringData = "bye";
byte[] message = Encoding.ASCII.GetBytes( stringData );
client.Send( message );
client.Close();
return;
}
Connection
client = new Socket( AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp );
IPEndPoint iep = new IPEndPoint( IPAddress.Parse( "127.10.27.61" ), 2091 );
client.BeginConnect( iep, new AsyncCallback( Connected ), client );
void Connected( IAsyncResult iar )
{
client.EndConnect( iar );
Thread receiver = new Thread( new ThreadStart( ReceiveData ) );
receiver.Start();
}
My code is like thisduring the connection part error happends,May be due to 2 threads,how can i solve the same
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Good afternoon.
I cant seem to get a combobox to select a value using Binding. I have a small example that re-creates the issue, I want the combo to have selected Yellow (_colour is set to that on creation) when it first loads. Hope that makes sense
Code is below, just window1 and a class called ViewModel. TIA for any help
Window1.xaml
<window x:class="ComboBoxTest.Window1" xmlns:x="#unknown">
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="Window1" Height="300" Width="300">
<grid>
<combobox margin="92,122,66,116">
ItemsSource="{Binding Path=Colours}"
DisplayMemberPath="Description"
SelectedItem="{Binding Path=SelectedColour, Mode=TwoWay}"
Grid.Column="1"
Grid.Row="8"
IsSynchronizedWithCurrentItem="True"
/>
</combobox></grid>
</window>
Window1.xaml.cs
using System.Windows;
namespace ComboBoxTest
{
public partial class Window1 : Window
{
public Window1()
{
this.DataContext = new ViewModel();
InitializeComponent();
}
}
}
ViewModel.cs
using System;
using System.Collections.Generic;
using System.Windows;
namespace ComboBoxTest
{
public class Colour : IComparable
{
public string Description { get; set; }
#region IComparable Members
public int CompareTo(object obj)
{
return string.Compare(((Colour) obj).Description, this.Description);
}
#endregion
}
public class ViewModel : DependencyObject
{
public List<colour> Colours
{
get
{
List<colour> retval = new List<colour>();
retval.Add(new Colour { Description = "Blue" });
retval.Add(new Colour { Description = "Green" });
retval.Add(new Colour { Description = "White" });
retval.Add(new Colour { Description = "Yellow" });
retval.Add(new Colour { Description = "Red" });
retval.Add(new Colour { Description = "Silver" });
return retval;
}
}
private Colour _colour = new Colour { Description = "Yellow" };
public Colour SelectedColour
{
get { return _colour; }
set { _colour = value; }
}
public static readonly DependencyProperty SelectedColourProperty =
DependencyProperty.Register("SelectedColour", typeof(Colour), typeof(ViewModel));
}
}
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Thanks for your reply, this was a test project and you are right i did not have the Selected Colour correct, i have changed it and it still does not work, so will look at INotifyPropertyChanged, and let you know.
Mark
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Cant get that working either, If anybody would be able to convert my sample app, i would be greatful
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Does it work if you implement your Colour class something like this?
public class Colour
{
public string Description { get; set; }
public override bool Equals(object obj)
{
return this.Description == (obj as Colour).Description;
}
public override int GetHashCode()
{
return base.GetHashCode() ^ this.Description.GetHashCode();
}
}
...and your SelectedColour dependency property:
public static DependencyProperty SelectedColourProperty =
DependencyProperty.Register("SelectedColour", typeof(Colour), typeof(ViewModel));
public Colour SelectedColour
{
get { return (Colour)GetValue(SelectedColourProperty); }
set { SetValue(SelectedColourProperty, value); }
}
Mark Salsbery
Microsoft MVP - Visual C++
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Many thanks for your reply.
That still does not do what i want, i am starting to think that i am going about this the wrong way
Put simply what i need is a combobox with a datasource of list of my objects (all the same type). Then when the form loads i want the combobox to have preselected an object of my choice (what ever was saved in xml/db)
I am new to wpf and the mvvm pattern, and this is getting a bit frustrating!!
ps for info i changed the colour class to the following as the other throw an exception
public class Colour
{
public string Description { get; set; }
public override bool Equals(object obj)
{
if(obj.GetType()== typeof(Colour))
return this.Description == ((Colour) obj).Description;
return base.Equals(obj);
}
public override int GetHashCode()
{
return base.GetHashCode() ^ this.Description.GetHashCode();
}
}
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I want creat a Analog Clock in WPF. Help me! Please, Thanks so much.
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A simple search would have found this[^].
"WPF has many lovers. It's a veritable porn star!" - Josh Smith As Braveheart once said, "You can take our freedom but you'll never take our Hobnobs!" - Martin Hughes.
My blog | My articles | MoXAML PowerToys | Onyx
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Hi,
I am developing one application using silverlight and .Net.There are some videos to watch.There are some features like rotate,scaling video using silverlight.Now I want to develop feature Throw videos using silverlight like in the following site.
http://www.etsy.com/color.php?ref=fp_nav_colors.If u open that link there are some bubbles,if you click those bubles you will find some images.In that we can throw those images to anywhere. I want to develop that feature using silverlight in my site.Can please anyone help me how to do that task using silverlight and .Net.
Thanks in advance
Pavani
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pavanip wrote: Can please anyone help me how to do that task using silverlight and .Net.
you can consider hiring some Silverlight consultants to get it done.
Thanks and Regards,
Michael Sync ( Blog: http://michaelsync.net)
Microsoft MVP (Silverlight), WPF/Silverlight Insiders
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I have a MFC dll, which one inherit the CFormView and I add a textbox in that FormView. I want to load that dll from WPF and display it in the window as a control. If anyone have an idea about this, please help me.
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Why would you want to do this? It's easy enough (i.e. trivial) to do exactly this in WPF, so why would you want to go to all the trouble of adding in an external DLL to do this? BTW - I'm not the one who voted 1.
"WPF has many lovers. It's a veritable porn star!" - Josh Smith As Braveheart once said, "You can take our freedom but you'll never take our Hobnobs!" - Martin Hughes.
My blog | My articles | MoXAML PowerToys | Onyx
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Hi All,
I've just started looking into this in relation to an app I've made. It's a fairly simple app, most of the pages just have a handful of controls (the main one being Infragistics Grid) spread over a few pages. The app has been designed and implemented using Prism (Composite).
When I first launch the app I'm seeing nearly 60Mb of ram in use before the application has opened any data files. I'm currently going through the WPF Performance Suite tools to see what this shows up. Any tips would be good!
Anyone else experiencing anything like this with their apps?
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It is normal. See comments here.[^]
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Interesting comments. I had bookmarked that article but it had slipped my mind, thanks for pointing me to it.
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I'm stuck (as usual).
A have a user control with 6 textboxes. But to make it easier, I'm trying to break down the problem a bit and lets say there is one textbox.
USERCONTROL1.XAML:CS
public partial class AttenuationBox : UserControl
{
private String justAtest;
public String ATest { get { return justATest; } set { ...
public String LowChRx
{
get { return tbLowChRX.Text; }
set { tbLowChRX.Text = value; }
}
...
}
USERCONTROL1.XAML
<textbox name="tbLowChRX" text="{Binding Path=ATest}"></textbox>
Now I want tbLowChRX to be bound to justAtest. But just can't get it to work. Must be something I have missed in Source or Path or...
modified on Sunday, April 19, 2009 12:49 PM
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You will need to make sure the source is right on the binding.
Here's a simple example of one way to do it:
WPF: Binding to Properties in your UserControl or Window[^]
I'm not sure why you'd want to bind directly to the field, nor do I think
you can, but you should be able to bind to the ATest property. Of course, for
change notifications when the property is updated, you may want to make that a
dependency property.
Mark
Mark Salsbery
Microsoft MVP - Visual C++
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Oh, my fault, the intention was to bind to the property
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