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關閉到目前爲止,我有這樣的代碼:如何知道是否PrintPreviewDialog上是在C#
Form frm = printPreviewDialog1 as Form;
frm.WindowState = FormWindowState.Normal;
frm.StartPosition = FormStartPosition.CenterScreen;
printPreviewDialog1.ClientSize = new Size(400, 400);
frm.ControlBox = false;
frm.Text = "";
PrintScreen();
printPreviewDialog1.ShowDialog();
我也嘗試使用FormClosedEventHandler,但它不工作。
using (frm)
{
frm.FormClosed += new FormClosedEventHandler(MyForm_FormClosed);
}
void MyForm_FormClosed(object sender, FormClosedEventArgs e)
{
Mainmenu main = new Mainmenu();
this.Hide();
main.Show();
}