/// <summary>
/// 按照包含窗口的容器控件和调整选项，调整窗口大小
/// </summary>
/// <param name="parentCtrl">包含窗口的容器控件</param>
/// <param name="form">要调整大小的窗口</param>
/// <param name="resize">窗体自动调整大小的选项</param>
public static void ResizeForm(this Control parentCtrl, Form form, EResize resize)
{
var scrollWidth = parentCtrl.GetScrollWidth(ScrollBars.Vertical);
var scrollHeight = parentCtrl.GetScrollWidth(ScrollBars.Horizontal);
if (resize == EResize.Auto)
{
form.Width = parentCtrl.ClientSize.Width - scrollWidth;
form.Height = parentCtrl.ClientSize.Height - scrollHeight;
}
else if (resize == EResize.AutoWidth)
{
form.Width = parentCtrl.ClientSize.Width - scrollWidth;
}
else if (resize == EResize.AutoHeight)
{
form.Height = parentCtrl.ClientSize.Height - scrollHeight;
}
}
/// <summary>
/// 向控件添加和显示窗体，隐藏窗体标题栏
/// </summary>
/// <param name="parentControl">容器控件</param>
/// <param name="form">显示在容器控件内的窗体</param>
/// <param name="resize">自动调整窗口大小适配控件的大小的选项</param>
/// <returns></returns>
public static Form ShowSubForm(this Control parentControl, Form form, EResize resize = EResize.Auto)
{
//if (_reisze == null)
//{
// _reisze = (sender, e) =>
// {
// if (form != null && !form.IsDisposed) parentControl.ResizeForm(form, resize);
// };
//}
//parentControl.Resize -= _reisze;
//parentControl.Resize += _reisze;
form.TopLevel = false; //窗体设置成非顶级控件
form.FormBorderStyle = FormBorderStyle.None; //去掉窗体边框
form.Parent = parentControl; //指定子窗体显示的容器
parentControl.ResizeForm(form, resize);
form.Refresh();
form.Show();
form.BringToFront();
return(form);
}
/// <summary>
/// 向控件添加和显示窗体，防止重复打开同一窗体
/// </summary>
/// <param name="parentControl"></param>
/// <param name="formType">要显示的窗体类型，若容器的控件集已存在同类型窗体则直接打开窗体，否则在容器控件集中创建并加入该类型新窗体再显示新窗体</param>
/// <param name="args"></param>
/// <param name="resize">自动调整窗口大小适配控件的大小的选项</param>
/// <returns></returns>
public static Form ShowSubForm(this Control parentControl, Type formType, string subFormText = null, object[] args = null, EResize resize = EResize.Auto)
{
var openedForm = QueryForm(parentControl.Controls.OfType <Form>(), formType, subFormText);
if (openedForm == null)
{
openedForm = (Form)Activator.CreateInstance(formType, args);
}
return(parentControl.ShowSubForm(openedForm, resize));
}