private void button1_Click(object sender, EventArgs e)
{
try {
Image imgThumb = null;
IFileThumbCreator creator = null;
if (openFileDialog1.ShowDialog(this) == DialogResult.OK)
{
creator = FileThumbController.GetCreator(openFileDialog1.FileName);
imgThumb = creator.GetThumbnail();
this.pictureBox1.Image = imgThumb;
}
}
catch {
MessageBox.Show("ファイルのサムネールがありません。");
}
}
public static IFileThumbCreator GetCreator(string file)
{
IFileThumbCreator creator = null;
string Ext = System.IO.Path.GetExtension(file);
switch (Ext.ToLower())
{
case ".dwg":
creator = new dwgThumbCreator(file);
break;
default:
creator = new ThumbnailExtractor(file);
break;
}
return(creator);
}
