我有一个清单,UserControl
我想知道哪个UserControl
正在调用event MouseEnter
。我UserControl
在上添加了多个TableLayoutPanel
。
List<MyUserControl> form = new List<MyUserControl>();
for (int x = 0; x < dt.Rows.Count; x++)
{
tableLayoutPanel1.ColumnStyles.Add(new ColumnStyle(SizeType.Absolute, 200));
if (x == 0)
tableLayoutPanel1.RowStyles.Add(new RowStyle(SizeType.AutoSize));
form.Add(new MyUserControl());
}
for (int x = 0; x < form.Count; x++)
{
form[x].MouseEnter += new EventHandler(Form_MouseEnter);
tableLayoutPanel1.Controls.Add(form[x], x, 0);
}
我如何找出哪个UserControl
事件被激活?
最大的不同是,如果给新的MyUserControl一个Name,因为默认的Name是一个空字符串。您可以尝试将代码更改为此,看看是否有帮助?
List<MyUserControl> form = new List<MyUserControl>();
for (int x = 0; x < 5; x++)
{
tableLayoutPanel1.ColumnStyles.Add(new ColumnStyle(SizeType.Absolute, 200));
if (x == 0)
tableLayoutPanel1.RowStyles.Add(new RowStyle(SizeType.AutoSize));
// vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv
// Here are the changes
MyUserControl myUserControl = new MyUserControl();
myUserControl.Name = "MyUserControl_" + x.ToString("D2"); // Name it! (Default is "")
myUserControl.MouseEnter += MyUserControl_MouseEnter; // Hook the MouseEnter here
myUserControl.Codigo = 1000 + x; // Example to set Codigo
// ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
form.Add(myUserControl); // NOTE! This is changed from 'new MyUserControl()'.
}
for (int x = 0; x < form.Count; x++)
{
tableLayoutPanel1.Controls.Add(form[x], x, 0);
}
现在,处理程序如下所示:
private void MyUserControl_MouseEnter(object sender, EventArgs e)
{
MyUserControl myUserControl = (MyUserControl)sender;
Debug.WriteLine(
"MouseEnter Detected: " + myUserControl.Name +
" - Value of Codigo is: " + myUserControl.Codigo);
}
...在哪里(根据您对Codigo的评论)...
class MyUserControl : UserControl
{
public int Codigo
{
set
{
test = value;
}
get
{
return test;
}
}
int test = 0;
// Of course there is more implementation of MyUserControl that follows...
}
我真的希望这可以帮助您解决遇到的问题。
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