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Excellent, thanks for the info, it clarified my design immensely. Have a bunch of 5s
Never underestimate the power of human stupidity
RAH
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Ok, what am I doing wrong here???
I have a Client Entity:
public class ClientEntity : _EntityBase
{
private string _ClientName = string.Empty;
public string ClientName
{
get { return _ClientName; }
set
{
if (_ClientName != value)
{
_ClientName = value;
RaisePropertyChanged("ClientName");
IsDirty = true;
}
}
}
private PayTypeEntity _PayType;
public PayTypeEntity PayType
{
get { return _PayType; }
set
{
if (_PayType != value)
{
_PayType = value;
RaisePropertyChanged("PayType");
IsDirty = true;
}
}
}
}
In my XAML, I am binding the PayTypes combo like this:
<ComboBox Grid.Row="1"
Grid.Column="3"
ItemsSource="{Binding PayTypes}"
SelectedValue="{Binding Client.PayType.Id, Mode=TwoWay}"
SelectedValuePath="Id"
DisplayMemberPath="Caption"/>
When I select a PayType it does not get set on the ClientEntity.
If it's not broken, fix it until it is
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You're not binding to the PayType property on the ClientEntity class; you're binding to the Id property on the PayTypeEntityClass instance returned from the PayType property on the ClientEntity class.
Try this:
<ComboBox
Grid.Row="1" Grid.Column="3"
ItemsSource="{Binding PayTypes}"
SelectedValue="{Binding Client.PayType}"
DisplayMemberPath="Caption"
/>
"These people looked deep within my soul and assigned me a number based on the order in which I joined."
- Homer
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That worked. Thank you
If it's not broken, fix it until it is
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Ok, so I'm still stuck here. I thought this was working, but it's not quite right. It saved the Id ok, but when I reopen it, it doesn't set the value back to what I selected. Here's what I have:
<ComboBox Grid.Row="1"
Grid.Column="3"
IsEnabled="{Binding Path=FieldEnableHelper.PayType}"
ItemsSource="{Binding PayTypes}"
SelectedValue="{Binding Client.PayType}"
DisplayMemberPath="Caption"
TabIndex="10"
Style="{StaticResource ComboBoxStyle}"
Width="150"/>
If it's not broken, fix it until it is
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hi i am trying to create an navigation bar which allow me to select the page based on the dropdownlist when i select the title
e.g
home->pg1->pg2
and when pg1 is clicked a dropdownbox would dropdown and show the choices which are childs of home.
is there a name or a control which have this already?
please advice
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Menu
Never underestimate the power of human stupidity
RAH
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I want to make a Choose from list in my silverlight application. like click one button it will show a list of suggestion from that you can choose.
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Its called a combo box and it binds to a collection of objects (your class of suggestions) and a selected object, the suggestion the user has selected
Add a button on the view that populates the ObservableCollection<suggestionobject> in the Viewmodel/code behind.
Never underestimate the power of human stupidity
RAH
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Sorry but Combo box shows only one dimensional data but I have to show multiple column from that they can choose.
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Actually a combobox can take a DataTemplate and display multiple columns.
You use a ListBox or a DataGrid, it really depends on your requirements.
Never underestimate the power of human stupidity
RAH
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Ok. but combobox is not typable. I need Sugest or Sugest Apend Combobox .
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Tanmoy Mohish wrote: but combobox is not typable
Wat, that makes no sense, no wait do not reply I really don't want to know as I suspect I have been trolled!
Never underestimate the power of human stupidity
RAH
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hello
Google Translator will translate into this one. Please note.
I have to use SVL and Naudio.
I need to develop an equalizer.
Included SVL, but it does not seem to be making is completed.
In spite of the language barrier, and ask
Please help me....
[Fields]
private static NAudioEngine instance;
private static NAudioEngine instance2;
private static NAudioEngine instance3;
private readonly DispatcherTimer positionTimer = new DispatcherTimer(DispatcherPriority.ApplicationIdle);
private readonly BackgroundWorker waveformGenerateWorker = new BackgroundWorker();
private readonly int fftDataSize = (int)FFTDataSize.FFT2048;
private bool disposed;
private bool canPlay;
private bool canPause;
private bool canStop;
private bool isPlaying;
private bool inChannelTimerUpdate;
private double channelLength;
private double channelPosition;
private bool inChannelSet;
private IWavePlayer waveOutDevice = new DirectSoundOut(50);
private WaveStream activeStream;
private WaveChannel32 inputStream;
private SampleAggregator sampleAggregator;
private SampleAggregator waveformAggregator;
private string pendingWaveformPath;
private float[] fullLevelData;
private float[] waveformData;
private TagLib.File fileTag;
private TimeSpan repeatStart;
private TimeSpan repeatStop;
private bool inRepeatSet;
private double volumeChange;
private double volumeChange_Master;
private bool allPlay;
private bool allStop;
private bool allPause;
private double equalizerChange;
private EqualizerEffect m_eqEffect;
[Apply Equalizer]
if (waveOutDevice != null)
{
waveOutDevice.Pause();
switch (i)
{
case 1:
m_eqEffect.LoGainFactor.Value = (float)d;
m_eqEffect.LoDriveFactor.Value = (float)d;
break;
case 2:
m_eqEffect.MedGainFactor.Value = (float)d;
m_eqEffect.MedDriveFactor.Value = (float)d;
break;
case 3:
m_eqEffect.HiGainFactor.Value = (float)d;
m_eqEffect.HiDriveFactor.Value = (float)d;
break;
}
m_eqEffect.OnFactorChanges();
waveOutDevice.Play();
}
[File Open]
if (System.IO.File.Exists(path))
{
try
{
waveOutDevice= new DirectSoundOut(50);
if (path.EndsWith(".wav"))
{
ActiveStream = new WaveFileReader(path);
}
else if (path.EndsWith(".mp3"))
{
ActiveStream = new Mp3FileReader(path);
}
else
{
throw new InvalidOperationException("Unsupported extension");
}
if (ActiveStream.WaveFormat.Encoding != WaveFormatEncoding.Pcm)
{
ActiveStream = WaveFormatConversionStream.CreatePcmStream(ActiveStream);
ActiveStream = new BlockAlignReductionStream(ActiveStream);
}
if (ActiveStream.WaveFormat.BitsPerSample != 16)
{
var format = new WaveFormat(ActiveStream.WaveFormat.SampleRate,
16, ActiveStream.WaveFormat.Channels);
ActiveStream = new WaveFormatConversionStream(format, ActiveStream);
}
inputStream = new WaveChannel32(ActiveStream);
sampleAggregator = new SampleAggregator(fftDataSize);
inputStream.Sample += inputStream_Sample;
ChannelLength = inputStream.TotalTime.TotalSeconds;
FileTag = TagLib.File.Create(path);
GenerateWaveformData(path);
CanPlay = true;
inputStream.Volume = 0.5f;
waveOutDevice.Volume = 1f;
m_eqEffect = new EqualizerEffect();
m_eqEffect.SampleRate = activeStream.WaveFormat.SampleRate;
m_eqEffect.LoDriveFactor.Value = 75;
m_eqEffect.LoGainFactor.Value = 0;
m_eqEffect.MedDriveFactor.Value = 40;
m_eqEffect.MedGainFactor.Value = 0;
m_eqEffect.HiDriveFactor.Value = 30;
m_eqEffect.HiGainFactor.Value = 0;
m_eqEffect.Init();
m_eqEffect.OnFactorChanges();
ActiveStream = new DSPEffectStream(inputStream, m_eqEffect);
waveOutDevice.Init(inputStream);
}
catch
{
ActiveStream = null;
CanPlay = false;
}
}
Used 3 instance
Used IWavePlayer
Help me.....
Trouble apply anyhow ...
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Hello
I am using DrawingContext to draw text, and then i print visual throu PrintDialog. I want to convert input from milimeters. I do not know formula and on google i only found a few pieces, but i realy want to be printer independet.
I found on a Some page
1 mm = 3.779528 px
Is this printer independet. I am writing an application that will print on normal A4 printer or on 60mm x Reciept type printers. My app is already printing, but some values i want to be in pixel and some in mm.
Thank you
Edit: Upon remote testing i noticed that no matter if Printer is 600DPI or 300dpi. I can simply ignore these values
modified 22-Jul-13 5:30am.
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Saksida Bojan wrote: 1 mm = 3.779528 px
WPF uses Device Independent Pixels, you may have a hard-time with this asumption
Beauty cannot be defined by abscissas and ordinates; neither are circles and ellipses created by their geometrical formulas.
Source
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I Know WPF is DPI indipented when putting it on screen.
Does that extend to Printing? I am using Drawing Context and all values are pixel based. My Printer has resolution 600dpi. But other printer that is currently not awaible is STAR SP 200 Series. It is a 300DPI Matrix type printer.
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Hi,
Can somebody highlight the uses please. Also, there are lot of unused usings being created in this files, is there anyway we can suppress them?
http://authenticcode.com
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When you use Visual Studio to write your project (no matter what type of app you are writing), it does a lot of background build work. The .g.cs and .g.i.cs files are auto-generated from XAML files when the build process runs; the .g.i.cs is the part that ties into the Intellisense builder.
As far as removing the unused usings, you'd have to edit the source template. On my machine, running Visual Studio 2012, they are located under C:\Program Files (x86)\Microsoft Visual Studio 11.0\Common7\IDE\ItemTemplates\CSharp\WPF\1033 . Obviously, you'd have to pick your appropriate VS install location, but this should give you a head start.
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Hi Pete,
Thanks a lot for the explanation.
If I comment out all code in g.i.cs file then also my app runs fine without any issues and intellisense also works fine. Then, what's the actual use?
http://authenticcode.com
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Remember that it's auto-generated, and I said the auto-build is always running.
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Okay. Thanks.
I could not find relevant template although there are all other templates present.
http://authenticcode.com
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Mohammed Hameed wrote: lot of unused usings being created in this files Right click on any of the using statements and select "Organize Usings" -> "Remove Unused Usings".
Use the best guess
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But that is a auto-generated file, if we manually remove the usings then it will again recreate when we rebuild the project. Therefore I need a permanent fix, something like as suggested by Pete to edit the template but unfortunately I'm unable to find that template.
http://authenticcode.com
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