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programatically retrieving images in resources

Posted on 2014-12-09
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Last Modified: 2014-12-10
I am getting an invalid cast - I was wondering if this is even possible or is there a better way to do this
 private void dgvCurrentUnSerialized_DataBindingComplete(object sender, DataGridViewBindingCompleteEventArgs e)
        {
            for (int i = 0; i < dgvCurrentUnSerialized.Rows.Count; i++)
            {
                DataGridViewImageCell cell = dgvCurrentUnSerialized.Rows[i].Cells[0] as DataGridViewImageCell;
                var value = "(System.Drawing.Image)Properties.Resources._" + Convert.ToString(dgvCurrentUnSerialized.Rows[i].Cells[5].Value) + "_sm";
                cell.Value = value;
 
         }
}

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Question by:r3nder
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6 Comments
 
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Expert Comment

by:Alexandre Simões
ID: 40490654
You're setting the value of the column as a string with the code you should be calling ion the C#...
As far as I understood from the code, the cell has the image name and you want to use it to get the image from an embedded resource?
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Author Comment

by:r3nder
ID: 40491141
yes but how? is the  question. How do I dynamically get an item from the resource table if I want to "build" the name of the resource
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Expert Comment

by:Alexandre Simões
ID: 40491156
What do you have? A resource file with images inside or the images in the project as embedded resource?
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Accepted Solution

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Alexandre Simões earned 2000 total points
ID: 40491173
From your question I guess you have a Resource file right?
So you can do this like:
String nameOfTheImage = "_" + Convert.ToString(dgvCurrentUnSerialized.Rows[i].Cells[5].Value) + "_sm";
Object obj = Resource1.ResourceManager.GetObject(nameOfTheImage);
System.Drawing.Bitmap image = ((System.Drawing.Bitmap)(obj));

cell.value = image;

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Resource1 is the name of your resources file (something like Resources1.resx)
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Author Comment

by:r3nder
ID: 40491203
yes it is embedded in the resources file - I  am on my way to work - so I will try it
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Author Closing Comment

by:r3nder
ID: 40491569
Worked perfect ....thank  you Alexandre
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