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private void btnOpenFile_Click(object sender, EventArgs e)
{
OpenFileDialog ofd = new OpenFileDialog();
ofd.DefaultExt = "jpg";
ofd.Filter = "Jpg文件(*.jpg)|*.jpg|Bmp文件(*.bmp)|*.bmp|Gif文件(*.gif)|*.gif";
ofd.Title = "选择背景图片";
ofd.Multiselect = false;
ofd.ShowDialog();
if (ofd.FileName.Trim() != string.Empty)
{
try
{
pnlBgImage.BackgroundImage = Image.FromFile(ofd.FileName.Trim());
tbBackgroundFile.Text = ofd.FileName.Trim();
}
catch
{
MessageBox.Show("装入图像文件失败,请检查文件格式是否正确或文件是否已经损坏。", "程序出错", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}