Control.ModifierKeys 属性
重要
一些信息与预发行产品相关，相应产品在发行之前可能会进行重大修改。 对于此处提供的信息，Microsoft 不作任何明示或暗示的担保。
获取一个表示哪个修改键（Shift、Ctrl 和 Alt）处于按下状态的值。
public:
static property System::Windows::Forms::Keys ModifierKeys { System::Windows::Forms::Keys get(); };C#
public static System.Windows.Forms.Keys ModifierKeys { get; }member this.ModifierKeys : System.Windows.Forms.KeysPublic Shared ReadOnly Property ModifierKeys As Keys下面的代码示例在单击按钮时按下 Ctrl 键时隐藏按钮。 此示例要求你在 Button button1 a Form.
private:
void button1_Click( Object^ sender, System::EventArgs^ /*e*/ )
{
/* If the CTRL key is pressed when the
* control is clicked, hide the control. */
if ( Control::ModifierKeys == Keys::Control )
{
(dynamic_cast<Control^>(sender))->Hide();
}
}
C#
private void button1_Click(object sender, System.EventArgs e)
{
/* If the CTRL key is pressed when the
* control is clicked, hide the control. */
if(Control.ModifierKeys == Keys.Control)
{
((Control)sender).Hide();
}
}
Private Sub button1_Click(sender As Object, _
e As EventArgs) Handles button1.Click
' If the CTRL key is pressed when the
' control is clicked, hide the control.
If Control.ModifierKeys = Keys.Control Then
CType(sender, Control).Hide()
End If
End Sub
| 产品 | 版本 |
|---|---|
| .NET Framework | 1.1, 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 |
| Windows Desktop | 3.0, 3.1, 5, 6, 7 |