/// <summary>
/// 添加菜单项并返回其ID
/// </summary>
/// <param name="hMenu">要操作的菜单句柄</param>
/// <param name="text">菜单项文本。当文本为"-"时，会视为分隔条；当文本指定为<see cref="string.Empty"/>时，为避免可能引起的其它项的快捷键不可用的问题，会将文本更改为一个空格</param>
/// <param name="onClick">点击事件处理程序</param>
/// <param name="subMenu">子菜单。赋值此参数将使<paramref name="onClick"/>参数失效，即不会触发点击事件</param>
/// <param name="beforeItem">要插在哪一项的前边。该参数可以是那个项的位置索引，也可以是其ID，由<paramref name="byPosition"/>参数解释。若找不到项，则在末尾添加</param>
/// <param name="byPosition">是否将<paramref name="beforeItem"/>参数解释为位置，为否则表示是ID</param>
/// <param name="isChecked">是否勾选。注意项的勾选状态并不会因点击自动切换，需自行响应<paramref name="onClick"/>事件并用<see cref="SetItemChecked(IntPtr, int, bool, bool)"/>处理</param>
/// <param name="enabled">是否可用</param>
/// <exception cref="Win32Exception" />
public static int AddItem(IntPtr hMenu, string text, EventHandler <SystemMenuItemEventArgs> onClick = null, ContextMenu subMenu = null, int beforeItem = -1, bool byPosition = true, bool isChecked = false, bool enabled = true)
{
//先检测菜单句柄有效性，避免无谓的ID分配
if (!IsMenu(hMenu))
{
throw new Win32Exception(ERROR_INVALID_MENU_HANDLE);
}
var info = new MENUITEMINFO
{
fMask = 0x2 //MIIM_ID
| 0x1 //MIIM_STATE
| 0x4 //MIIM_SUBMENU
| 0x40 //MIIM_STRING
| 0x100 //MIIM_FTYPE
};
var mi = new SystemMenuItem(hMenu, onClick);
info.wID = mi.Id;
if (text == "-")
{
info.fType |= 0x800; //MFT_SEPARATOR
}
else
{
// Windows issue: Items with empty captions sometimes block keyboard
// access to other items in same menu.
info.dwTypeData = string.IsNullOrEmpty(text) ? " " : text;
}
if (isChecked)
{
info.fState |= 0x8;
}
if (!enabled)
{
info.fState |= 0x3;
}
if (subMenu != null)
{
info.hSubMenu = subMenu.Handle;
}
//添加成功再将项放进容器
if (InsertMenuItem(hMenu, beforeItem, byPosition, info))
{
CustomizedItems[mi.Id] = mi;
}
else
{
mi.Dispose();
throw new Win32Exception();
}
return(info.wID);
}
public static EnableMenuItemOptions EnableMenuItem(IntPtr hMenu, SystemMenuItem uIDEnableItem, EnableMenuItemOptions uEnable)
{
// Returns the previous state of the menu item, or -1 if the menu item does not exist.
int iRet = _EnableMenuItem(hMenu, uIDEnableItem, uEnable);
return((EnableMenuItemOptions)iRet);
}
public SystemMenuItem CreateMenuItem(string text = null, EventHandler clickHandler = null)
{
var menuItem = new SystemMenuItem(_menuItemIdCounter++) { Text = text };
if (clickHandler != null)
{
menuItem.Clicked += clickHandler;
}
return menuItem;
}
/// <summary>
/// Creates a new instance of SystemMenuItem and appends it to menu
/// </summary>
/// <param name="text">Text to be displayed as menu item caption</param>
/// <param name="clicked">Menu item Clicked event handler</param>
/// <returns>Just created menu item</returns>
public SystemMenuItem AppendNewItem(string text, EventHandler clicked = null)
{
var item = new SystemMenuItem(text, this);
if (clicked != null)
{
item.Click += clicked;
}
AppendMenu(_systemMenuHandle, item.Flags, item.MenuId, text);
_items.Add(item);
return item;
}
/// <summary>システムメニュー項目の有効/無効を設定します。</summary>
/// <param name="hWnd">対象のウィンドウハンドルを表すIntPtr。</param>
/// <param name="menuItem">システムメニュー項目を表すSystemMenuItem列挙型の内の1つ</param>
/// <param name="isEnabled">設定する有効状態を表すbool。</param>
public static void ChangeSystemMenuItemEnabled(IntPtr hWnd, SystemMenuItem menuItem, bool isEnabled)
{
var hMenu = WindowApis.GetSystemMenu(hWnd, false);
if (hMenu == IntPtr.Zero)
{
return;
}
var enabled = isEnabled ? ApiConstants.MF_BYCOMMAND | ApiConstants.MF_ENABLED :
ApiConstants.MF_BYCOMMAND | ApiConstants.MF_GRAYED;
WindowApis.EnableMenuItem(hMenu, (uint)menuItem, enabled);
}
private static extern int _EnableMenuItem(IntPtr hMenu, SystemMenuItem uIDEnableItem, EnableMenuItemOptions uEnable);
public void UpdateMenu(SystemMenuItem menuItem)
{
var mii = new MENUITEMINFO
{
fMask = MIIM_CHECKMARKS | MIIM_DATA | MIIM_FTYPE | MIIM_ID | MIIM_STATE | MIIM_STRING
};
mii.cbSize = (uint) Marshal.SizeOf(mii);
PInvokeUtils.Try(() => GetMenuItemInfo(_hSysMenu, menuItem.Id, false, ref mii));
if (menuItem.Enabled)
mii.fState &= (~MFS_DISABLED); // clear "disabled" flag
else
mii.fState |= MFS_DISABLED; // set "disabled" flag
if (menuItem.Checked)
mii.fState |= MFS_CHECKED; // set "checked" flag
else
mii.fState &= (~MFS_CHECKED); // clear "checked" flag
mii.fMask = MIIM_STATE;
PInvokeUtils.Try(() => SetMenuItemInfo(_hSysMenu, menuItem.Id, false, ref mii));
// TODO: From my observations, this function always returns false, even though it appears to succeed.
// Am I using it incorrectly?
DrawMenuBar(_hSysMenu);
}
public void InsertMenu(uint position, SystemMenuItem menuItem)
{
PInvokeUtils.Try(() => InsertMenu(_hSysMenu, position, MF_BYPOSITION | MF_STRING, menuItem.Id, menuItem.Text));
_items.Add(menuItem);
}
public void AppendMenu(SystemMenuItem menuItem)
{
PInvokeUtils.Try(() => AppendMenu(_hSysMenu, MF_STRING, menuItem.Id, menuItem.Text));
_items.Add(menuItem);
}
private void frmMain_Load(object sender, EventArgs e)
{
try
{
setTitle(null, null);
this._systemMenu = new SystemMenu(this);
this._systemMenu.AppendSeparator();
this._showHideMainMenuLineItem = this._systemMenu.AppendNewItem("", (s, args) =>
{
this._model.Settings.ShowMainMenu = !this._model.Settings.ShowMainMenu;
UpdateMainMenuVisibility(this._model.Settings, null);
});
UpdateShowHideMainMenuLineItem();
if (this.isDisableMainMenu)
{
this._model.Settings.ShowMainMenu = false;
UpdateMainMenuVisibility(this._model.Settings, true);
}
RestoreSizeAndLocation(this._model.Settings);
this._model.SettingsChanged += (o, args) => ApplySettings();
if (strServerName != null && strTemplate != null && strDatabaseType != null)
{
// log.DebugFormat(
// "strServerName:'{0}';strTemplate:'{1}';strDatabaseType:'{2}'",
// strServerName ?? "<Null>",
// strTemplate ?? "<Null>",
// strDatabaseType ?? "<Null>"
// );
InstanceInfo instanceInfo = new InstanceInfo
{
Authentication = new AuthenticationInfo
{
IsWindows = true,
Password = string.Empty,
Username = string.Empty
},
Instance = strServerName,
IsEnabled = true,
Name = strServerName,
IsODBC = false,
DbType = strDatabaseType
};
ConnectionGroupInfo connectionGroupInfo = new ConnectionGroupInfo();
connectionGroupInfo.Connections.Add(instanceInfo);
string strTemplateFileName = Path.GetFileName(strTemplate);
string strFullPathToTemplateFile = Path.GetFullPath(strTemplate);
string strTemplateDir = Path.GetDirectoryName(strTemplate);
if (string.IsNullOrEmpty(strTemplateDir))
{
strTemplateDir = Program.Model.Settings.TemplateDirectory;
strFullPathToTemplateFile = Path.GetFullPath(strTemplateDir + "\\" + strTemplate);
connectionGroupInfo.IsExternal = false;
}
else
{
connectionGroupInfo.IsExternal = true;
}
connectionGroupInfo.IsDirectConnection = true;
connectionGroupInfo.TemplateDir = strTemplateDir;
connectionGroupInfo.TemplateFileName = strTemplateFileName;
connectionGroupInfo.Name = strServerName;
var targetTab = GetTargetTab(connectionGroupInfo.Name + "{" + connectionGroupInfo.TemplateFileName + "}");
Template selectedTemplate = TemplateNodesLoader.GetTemplateByFile(strFullPathToTemplateFile);
targetTab.SelectedTemplate = selectedTemplate;
targetTab.OpenConnection(connectionGroupInfo);
}
}
catch (Exception ex)
{
log.Error(ex);
}
}
private void frmMain_Load(object sender, EventArgs e)
{
try
{
setTitle(null, null);
this._systemMenu = new SystemMenu(this);
this._systemMenu.AppendSeparator();
this._showHideMainMenuLineItem = this._systemMenu.AppendNewItem("", (s, args) =>
{
this._model.Settings.ShowMainMenu = !this._model.Settings.ShowMainMenu;
UpdateMainMenuVisibility(this._model.Settings, null);
});
UpdateShowHideMainMenuLineItem();
if (this.isDisableMainMenu)
{
this._model.Settings.ShowMainMenu = false;
UpdateMainMenuVisibility(this._model.Settings, true);
}
RestoreSizeAndLocation(this._model.Settings);
this._model.SettingsChanged += (o, args) => ApplySettings();
if (strServerName != null && strTemplate != null && strDatabaseType != null)
{
// log.DebugFormat(
// "strServerName:'{0}';strTemplate:'{1}';strDatabaseType:'{2}'",
// strServerName ?? "<Null>",
// strTemplate ?? "<Null>",
// strDatabaseType ?? "<Null>"
// );
InstanceInfo instanceInfo = new InstanceInfo
{
Authentication = new AuthenticationInfo
{
IsWindows = true,
Password = string.Empty,
Username = string.Empty
},
Instance = strServerName,
IsEnabled = true,
Name = strServerName,
IsODBC = false,
DbType = strDatabaseType
};
ConnectionGroupInfo connectionGroupInfo = new ConnectionGroupInfo();
connectionGroupInfo.Connections.Add(instanceInfo);
string strTemplateFileName = Path.GetFileName(strTemplate);
string strFullPathToTemplateFile = Path.GetFullPath(strTemplate);
string strTemplateDir = Path.GetDirectoryName(strTemplate);
if (string.IsNullOrEmpty(strTemplateDir))
{
strTemplateDir = Program.Model.Settings.TemplateDirectory;
strFullPathToTemplateFile = Path.GetFullPath(strTemplateDir + "\\" + strTemplate);
connectionGroupInfo.IsExternal = false;
}
else
{
connectionGroupInfo.IsExternal = true;
}
connectionGroupInfo.IsDirectConnection = true;
connectionGroupInfo.TemplateDir = strTemplateDir;
connectionGroupInfo.TemplateFileName = strTemplateFileName;
connectionGroupInfo.Name = strServerName;
var targetTab = GetTargetTab(connectionGroupInfo.Name + "{" + connectionGroupInfo.TemplateFileName + "}");
Template selectedTemplate = TemplateNodesLoader.GetTemplateByFile(strFullPathToTemplateFile);
targetTab.SelectedTemplate = selectedTemplate;
targetTab.OpenConnection(connectionGroupInfo);
}
}
catch (Exception ex)
{
log.Error(ex);
}
}
