Change PictureBox's image to image from my resources?

If you loaded the resource using the visual studio UI, then you should be able to do this:

picturebox.Image = project.Properties.Resources.imgfromresource

Ken has the right solution, but you don't want to add the picturebox.Image.Load() member method.

If you do it with a Load and the ImageLocation is not set, it will fail with a "Image Location must be set" exception. If you use the picturebox.Refresh() member method, it works without the exception.

Completed code below:

public void showAnimatedPictureBox(PictureBox thePicture)
{
            thePicture.Image = Properties.Resources.hamster;
            thePicture.Refresh();
            thePicture.Visible = true;
}

It is invoked as: showAnimatedPictureBox( myPictureBox );

My XAML looks like:

    <Window
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:wfi="clr-namespace:System.Windows.Forms.Integration;assembly=WindowsFormsIntegration"
        xmlns:winForms="clr-namespace:System.Windows.Forms;assembly=System.Windows.Forms"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" mc:Ignorable="d" x:Class="myApp.MainWindow"
        Title="myApp" Height="679.079" Width="986">

        <StackPanel Width="136" Height="Auto" Background="WhiteSmoke" x:Name="statusPanel">
            <wfi:WindowsFormsHost>
                <winForms:PictureBox x:Name="myPictureBox">
                </winForms:PictureBox>
            </wfi:WindowsFormsHost>
            <Label x:Name="myLabel" Content="myLabel" Margin="10,3,10,5" FontSize="20" FontWeight="Bold" Visibility="Hidden"/>
        </StackPanel>
</Window>

I realize this is an old post, but loading the image directly from a resource is was extremely unclear on Microsoft's site, and this was the (partial) solution I came to. Hope it helps someone!

Ok...so first you need to import in your project the image

1)Select the picturebox in Form Design

2)Open PictureBox Tasks (it's the little arrow pinted to right on the edge on the picturebox)

3)Click on "Choose image..."

4)Select the second option "Project resource file:" (this option will create a folder called "Resources" which you can acces with Properties.Resources)

5)Click on import and select your image from your computer (now a copy of the image with the same name as the image will be sent in Resources folder created at step 4)

6)Click on ok

Now the image is in your project and you can use it with Properties command.Just type this code when you want to change the picture from picturebox:

pictureBox1.Image = Properties.Resources.myimage;

Note: myimage represent the name of the image...after typing the dot after Resources,in your options it will be your imported image file