/// <summary>
/// 删除指定的panel,执行关闭窗口相关的方法，回收该窗体包含的所有资源。
/// 一般用于Terminate()方法中
/// </summary>
public void DeletePanel(string caption)
{
if (Program.frmMain.m_Menu.m_MenuTable.ContainsKey("mnu" + caption) && !Program.frmMain.m_Menu.Remove("mnu" + caption)) //如果移除失败，则尝试手动移除一次。
{
try
{
System.Windows.Forms.ToolStripItem submenu = (System.Windows.Forms.ToolStripItem)Program.frmMain.m_Menu.m_MenuTable["mnu" + caption];
Program.frmMain.menuStrip1.Items.Remove(submenu);
if (Program.frmMain.m_Menu.m_MenuTable.ContainsKey("mnu" + caption)) //可能在Remove方法中移除了。
{
Program.frmMain.m_Menu.m_MenuTable.Remove("mnu" + caption);
}
}
catch (System.Exception ex)
{
MapWinGIS.Utility.Logger.Dbg("移除可浮动窗体显示菜单失败！菜单名: mnu" + caption + "描述:" + ex.ToString());
}
}
if (m_OnCloseHandlers[caption] != null)
{
ArrayList arrylist = m_OnCloseHandlers[caption];
while (arrylist.Count > 0)
{
//触发绑定该委托的方法。一个窗体可以能绑定了多个OnPanelClose类型的方法，所以一一执行后删除。
((Interfaces.OnPanelClose)(arrylist[0])).Invoke(caption);
arrylist.RemoveAt(0);
}
}
if (m_OnCloseHandlers.ContainsKey(caption)) //移除存储该窗体的关闭事件关联的委托
{
m_OnCloseHandlers.Remove(caption);
}
MWDockPanel floatPanel = m_Panels[caption];
floatPanel.FormClosing -= new FormClosingEventHandler(MarkClosed);
if (m_Panels.ContainsKey(caption)) //注销窗体
{
if (m_Panels[caption] == null)
{
m_Panels.Remove(caption);
return;
}
WeifenLuo.WinFormsUI.Docking.DockContent child = m_Panels[caption];
while (child.Controls.Count > 0)
{
child.Controls.RemoveAt(0);
}
m_Panels.Remove(caption);
child.Close(); //该窗体关闭时会注销掉所有拥有的资源，并被回收。
}
}
/// <summary>
/// 窗体关闭事件
/// 这里关闭窗体事件，只将窗体隐藏，并执行窗体关闭关联的方法。
/// </summary>
private void MarkClosed(object sender, FormClosingEventArgs e)
{
if (sender != null)
{
MWDockPanel dockForm = sender as MWDockPanel;
if (dockForm != null)
{
dockForm.Hide();
e.Cancel = true;
Program.frmMain.m_Menu["mnu" + dockForm.Text].Checked = false;
}
}
}
/// <summary>
/// 返回一个能够用作添加可停靠内容（dockable content）到MainProgram的系统panel
/// 先创建一个可停靠Form，再在Form里面添加一个Panel，返回这个Panel给调用者。
/// </summary>
public System.Windows.Forms.Panel CreatePanel(string caption, System.Windows.Forms.DockStyle dockStyle)
{
if (m_Panels.ContainsKey(caption))
{
if (m_Panels[caption].Controls["ContentPanel"] != null)
{
return((System.Windows.Forms.Panel)(m_Panels[caption].Controls["ContentPanel"]));
}
return((System.Windows.Forms.Panel)(m_Panels[caption].Controls[0]));
}
Panel contentPanel = new Panel();
contentPanel.Name = "ContentPanel";
contentPanel.Dock = DockStyle.Fill;
MWDockPanel floatPanel = new MWDockPanel(caption);
floatPanel.ShowHint = WeifenLuo.WinFormsUI.Docking.DockState.Float;
floatPanel.Controls.Add(contentPanel);
floatPanel.FormClosing += new FormClosingEventHandler(MarkClosed);
floatPanel.Show(Program.frmMain.dckPanel);
floatPanel.Icon = MapWinGIS.MainProgram.Properties.Resources.MapWinGIS;
if (dockStyle == DockStyle.None)
{
floatPanel.DockState = WeifenLuo.WinFormsUI.Docking.DockState.Float;
}
else
{
floatPanel.DockState = SimplifyDockstate(dockStyle);
}
//我希望创建该窗体时也要创建一个该窗体显示与关闭的菜单
Program.frmMain.m_Menu.AddMenu("mnu" + caption, "mnuRestoreMenu", (object)null, caption).Checked = floatPanel == null ? false : true;
m_Panels.Add(caption, floatPanel);
m_OnCloseHandlers.Add(caption, null);
return(contentPanel);
}