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LoadingForm.cs
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LoadingForm.cs
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using System;
using System.Windows.Forms;
namespace StudentPhotoCollection
{
public partial class LoadingForm : Form
{
public LoadingForm()
{
InitializeComponent();
}
public void CloseForm()
{
if (this.InvokeRequired)
{
//这里利用委托进行窗体的操作,避免跨线程调用时抛异常,后面给出具体定义
CONSTANTDEFINE.SetUISomeInfo UIinfo = new CONSTANTDEFINE.SetUISomeInfo(new Action(() =>
{
while (!this.IsHandleCreated)
{
;
}
if (!this.IsDisposed)
{
this.Dispose();
}
this.Close();
}));
this.Invoke(UIinfo);
}
else
{
if (!this.IsDisposed)
{
this.Dispose();
}
this.Close();
}
}
private void LoadingForm_FormClosing(object sender, FormClosingEventArgs e)
{
if (!this.IsDisposed)
{
this.Dispose(true);
}
}
}
//定义一个委托类
class CONSTANTDEFINE
{
public delegate void SetUISomeInfo();
}
}