private void btnadd_Click(object sender, EventArgs e)
{
int fileCount = 0;
foreach (Control c in this.flowLayoutPanel1.Controls)
{
if (c is TextBox)
{
++fileCount;
}
}
if (fileCount >= 4)
{
MessageBox.Show("最多添加5张图!");
return;
}
string controlMark = Guid.NewGuid().ToString();
TextBox t1 = new TextBox();
t1.Name = "txt_" + controlMark;
t1.Click += new EventHandler(btnClickEvent);
t1.Width = 300;
flowLayoutPanel1.Controls.Add(t1);
Button btnDel = new Button();
btnDel.Name = "del_" + controlMark;
btnDel.Text = "删除";
btnDel.Click += new EventHandler(delFileControl);
flowLayoutPanel1.Controls.Add(btnDel);
}
///点击删除按钮删除生成的控件
public void delFileControl(object sender, EventArgs e)
{
Button btnAction = sender as Button;
string id = btnAction.Name.Split('_')[1];
foreach (Control c in this.flowLayoutPanel1.Controls)
{
if (c.Name == "txt_" + id)
{
flowLayoutPanel1.Controls.Remove(c);
}
}
foreach (Control c in this.flowLayoutPanel1.Controls)
{
if (c.Name == "del_" + id)
{
flowLayoutPanel1.Controls.Remove(c);
}
}
pictureBox1.Image = null;
}
public void btnClickEvent(object sender, EventArgs e)
{
pictureBox1.Image = null;
TextBox txtAction = sender as TextBox;
OpenFileDialog openFileDialogTemp = new OpenFileDialog();
DialogResult dr = openFileDialogTemp.ShowDialog();
if (dr == DialogResult.OK)
{
string id = txtAction.Name.Split('_')[1];
foreach (Control c in this.flowLayoutPanel1.Controls)
{
if (c.Name == "txt_" + id)
{
c.Text = openFileDialogTemp.FileName;
pictureBox1.Image = Image.FromFile(openFileDialogTemp.FileName);
}
}
}
}
///保存
foreach (Control c in this.flowLayoutPanel1.Controls)
{
if (c is TextBox)
{
if (File.Exists(c.Text.Trim()))
{
string time = DateTime.Now.ToString("yyyy-MM");
if (!Directory.Exists(AppDomain.CurrentDomain.BaseDirectory + @"File" + time + @""))
{
Directory.CreateDirectory(AppDomain.CurrentDomain.BaseDirectory + @"File" + time + @"");
}
string FileName = time + @"" + Guid.NewGuid().ToString() + ".jpg";
string tempFileName = AppDomain.CurrentDomain.BaseDirectory + @"File" + FileName;
File.Copy(c.Text.Trim(), tempFileName);
}
}
}