本文整理汇总了C#中Control.Focus方法的典型用法代码示例。如果您正苦于以下问题：C# Control.Focus方法的具体用法？C# Control.Focus怎么用？C# Control.Focus使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Control的用法示例。
在下文中一共展示了Control.Focus方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: SetInitialFocus
/// <summary>
/// Set the initial focus on the given control
/// </summary>
/// <param name="window">Childwindow for which the focus must be set</param>
/// <param name="controlFocus">Control to set the focus on</param>
public static void SetInitialFocus(this Window window, Control controlFocus)
{
var routedHandler = default(RoutedEventHandler); // set to null to prevent unassigned compiler error
routedHandler = delegate
{
controlFocus.Focus();
var textBox = controlFocus as TextBox;
if (null != textBox)
{
textBox.SelectAll();
}
// unsubscribe after first execute
window.GotFocus -= routedHandler;
};
window.GotFocus += routedHandler;
}示例2: ShowDropDownControl
private void ShowDropDownControl (Control control, bool resizeable)
{
dropdown_form.Size = control.Size;
control.Dock = DockStyle.Fill;
if (resizeable) {
dropdown_form.Padding = dropdown_form_padding;
dropdown_form.Width += dropdown_form_padding.Right;
dropdown_form.Height += dropdown_form_padding.Bottom;
dropdown_form.FormBorderStyle = FormBorderStyle.Sizable;
dropdown_form.SizeGripStyle = SizeGripStyle.Show;
} else {
dropdown_form.FormBorderStyle = FormBorderStyle.None;
dropdown_form.SizeGripStyle = SizeGripStyle.Hide;
dropdown_form.Padding = Padding.Empty;
}
dropdown_form.Controls.Add (control);
dropdown_form.Width = Math.Max (ClientRectangle.Width - SplitterLocation - (vbar.Visible ? vbar.Width : 0),
control.Width);
dropdown_form.Location = PointToScreen (new Point (grid_textbox.Right - dropdown_form.Width, grid_textbox.Location.Y + row_height));
RepositionInScreenWorkingArea (dropdown_form);
Point location = dropdown_form.Location;
Form owner = FindForm ();
owner.AddOwnedForm (dropdown_form);
dropdown_form.Show ();
if (dropdown_form.Location != location)
dropdown_form.Location = location;
System.Windows.Forms.MSG msg = new MSG ();
object queue_id = XplatUI.StartLoop (Thread.CurrentThread);
control.Focus ();
while (dropdown_form.Visible && XplatUI.GetMessage (queue_id, ref msg, IntPtr.Zero, 0, 0)) {
switch (msg.message) {
case Msg.WM_NCLBUTTONDOWN:
case Msg.WM_NCMBUTTONDOWN:
case Msg.WM_NCRBUTTONDOWN:
case Msg.WM_LBUTTONDOWN:
case Msg.WM_MBUTTONDOWN:
case Msg.WM_RBUTTONDOWN:
if (!HwndInControl (dropdown_form, msg.hwnd))
CloseDropDown ();
break;
case Msg.WM_ACTIVATE:
case Msg.WM_NCPAINT:
if (owner.window.Handle == msg.hwnd)
CloseDropDown ();
break;
}
XplatUI.TranslateMessage (ref msg);
XplatUI.DispatchMessage (ref msg);
}
XplatUI.EndLoop (Thread.CurrentThread);
}