//
private void tsmiAddStudent_Click(object sender, EventArgs e)
{
CloseForm();
FrmAddStudent objForm = new FrmAddStudent();
OpenForm(objForm);
}
/// <summary>
/// panel 切换到新增学生
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void toolStripButton1_Click(object sender, EventArgs e)
{
closeForm();
FrmAddStudent frmAddStudent = new FrmAddStudent();
openForm(frmAddStudent);
}
//显示添加新学员窗体
private void tsmiAddStudent_Click(object sender, EventArgs e)
{
//
FrmAddStudent objForm = new FrmAddStudent();
//判断右侧中容器是否已经存在窗口-嵌入的基本步骤
OpenForm(objForm);
}
private void tsbAddStudent_Click(object sender, EventArgs e)
{
if (objFrmAddStudent == null)
{
objFrmAddStudent = new FrmAddStudent();
objFrmAddStudent.Show();//show this windows
}
else
{
objFrmAddStudent.Activate();
objFrmAddStudent.WindowState = FormWindowState.Normal;
}
}
//怎样保证对象的唯一性
private void tsmiAddStudent_Click(object sender, EventArgs e)
{
if (objFrmAddStudent == null)
{
objFrmAddStudent = new FrmAddStudent();
objFrmAddStudent.Show();
}
else
{
objFrmAddStudent.Activate();//激活只能在最小化的时候起作用
objFrmAddStudent.WindowState = FormWindowState.Normal;
}
}
//显示添加新学员窗体
private void tsmiAddStudent_Click(object sender, EventArgs e)
{
CloseForm();
FrmAddStudent objForm = new FrmAddStudent();
this.OpenForm(objForm);
}
//显示添加新学员窗体
private void tsmiAddStudent_Click(object sender, EventArgs e)
{
FrmAddStudent addStudent = new FrmAddStudent();
OpenForm(addStudent);
}