WPF

using System;
using System.Collections.Generic;
using System.Windows.Controls;

    // Make a dictionary of MediaElements
    Dictionary<int, MediaElement> mediaElementDictionary = new Dictionary<int, MediaElement>();

    // Add MediaElements to the dictionary
    mediaElementDictionary.Add(1, mp1);
    mediaElementDictionary.Add(2, mp2);
    ...

    // Access MediaElements in the dictionary
    int i = 1;
    MediaElement mediaelement;
    if (mediaElementDictionary.TryGetValue(i, out mediaelement))
    {
        // use mediaelement
    }

using System;
using System.Collections.Generic;
using System.Windows.Controls;

    // Make a list of MediaElements
    List<MediaElement> mediaElementList = new List<MediaElement>();

    // Add MediaElements to the list
    mediaElementList.Add(mp1);
    mediaElementList.Add(mp2);
    ...

    // Access MediaElements in the list
    int i = 1;
    // Note: i is 1 to 20, indexes are zero-based so we have to subtract 1
    MediaElement mediaelement = mediaElementList[i - 1];
    // use mediaelement

Mark Salsbery
Microsoft MVP - Visual C++

pavanip wrote:

mplayer.Source = new System.Uri(@"D:\sample\sample.Web\ClientBin\Lake.wmv", UriKind.Absolute);

Mark Salsbery
Microsoft MVP - Visual C++

Christian Graus wrote:

You need to do the last one, and provide zero for the side you want to have no border.

John Simmons / outlaw programmer wrote:

In the Properties pane, it shows a single value for BorderThickness, and applies that value to all edges.

John Simmons / outlaw programmer wrote:

Lastly, even the intellisense in the XAML editor won't help you if you don't know you can type a dot and get more functionality.

Mark Salsbery
Microsoft MVP - Visual C++

John Simmons / outlaw programmer wrote:

Truth be told, anyone just starting out with WPF will also start out with the designe

Christian Graus wrote:

When you specify a margin, you provide one, two or four values. If you provide one, it's used for all sides. If you provide two, one is used for top/bottom, the other for left/right. If you provide four, then you are specifying a thickness for each side explicitly.

Mark Salsbery
Microsoft MVP - Visual C++

Christian Graus wrote:

When you specify a margin, you provide one, two or four values. If you provide one, it's used for all sides. If you provide two, one is used for top/bottom, the other for left/right. If you provide four, then you are specifying a thickness for each side explicitly.

<Border Width="100" Height="50" BorderBrush="Red" BorderThickness="2,0,2,2" />

Mark Salsbery
Microsoft MVP - Visual C++

<Canvas Width="300" Height="200" Background="AntiqueWhite" >
    <Image Name="image1" Source="images/Silverlight_Logo.jpg" Stretch="None" MouseLeftButtonDown="image1_MouseLeftButtonDown"  MouseMove="image1_MouseMove" MouseLeftButtonUp="image1_MouseLeftButtonUp" >
        <Image.RenderTransform>
            <TranslateTransform x:Name="imageTransform" X="0" Y="0" />
        </Image.RenderTransform>
    </Image>
</Canvas>

Point anchorPoint;
Point currentPoint;
bool isInDrag = false;

private void image1_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
    FrameworkElement element = sender as FrameworkElement;
    anchorPoint = e.GetPosition(null);
    element.CaptureMouse();
    isInDrag = true;
    e.Handled = true;
}

private void image1_MouseMove(object sender, MouseEventArgs e)
{
    if (isInDrag)
    {
        FrameworkElement element = sender as FrameworkElement;
        currentPoint = e.GetPosition(null);

        imageTransform.X += (currentPoint.X - anchorPoint.X);
        imageTransform.Y += (currentPoint.Y - anchorPoint.Y);

        anchorPoint = currentPoint;
    }
}

private void image1_MouseLeftButtonUp(object sender, MouseButtonEventArgs e)
{
    if (isInDrag)
    {
        FrameworkElement element = sender as FrameworkElement;
        element.ReleaseMouseCapture();
        isInDrag = false;
        e.Handled = true;
    }
}

Mark Salsbery
Microsoft MVP - Visual C++