WPF

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++

John Simmons / outlaw programmer wrote:

This is part of Microsoft's ongoing campaign to "Change for the sake of change". Since 1990, we've used an ampersand (&) to indicate an underlined character, but for WPF, they changed it for no apparent reason to an underscore.

Pete O'Hanlon wrote:

They changed it because & isn't valid in XML.