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// 屏蔽粘贴,不过窗体上的控件粘贴都给屏蔽了
private const Keys CopyKeys = Keys.Control | Keys.C;
private const Keys PasteKeys = Keys.Control | Keys.V;
protected override bool ProcessCmdKey(ref Message msg, Keys keyData)
{
if ((keyData == CopyKeys) || (keyData == PasteKeys))
{
return true;
}
return base.ProcessCmdKey(ref msg, keyData);
}
// 屏蔽右键
private void comboBox1_MouseDown(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Right)
{
((ComboBox)sender).ContextMenu = new ContextMenu();
}
}