private void SetTool(IWin32Window win, string text, TipInfo.Type type, Point position)
{
Control key = win as Control;
if ((key != null) && this.tools.ContainsKey(key))
{
bool flag = false;
System.Windows.Forms.NativeMethods.TOOLINFO_TOOLTIP lParam = new System.Windows.Forms.NativeMethods.TOOLINFO_TOOLTIP();
try
{
lParam.cbSize = Marshal.SizeOf(typeof(System.Windows.Forms.NativeMethods.TOOLINFO_TOOLTIP));
lParam.hwnd = key.Handle;
lParam.uId = key.Handle;
if (((int) System.Windows.Forms.UnsafeNativeMethods.SendMessage(new HandleRef(this, this.Handle), System.Windows.Forms.NativeMethods.TTM_GETTOOLINFO, 0, lParam)) != 0)
{
lParam.uFlags |= 0x20;
if ((type == TipInfo.Type.Absolute) || (type == TipInfo.Type.SemiAbsolute))
{
lParam.uFlags |= 0x80;
}
lParam.lpszText = Marshal.StringToHGlobalAuto(text);
flag = true;
}
TipInfo info = (TipInfo) this.tools[key];
if (info == null)
{
info = new TipInfo(text, type);
}
else
{
info.TipType |= type;
info.Caption = text;
}
info.Position = position;
this.tools[key] = info;
System.Windows.Forms.UnsafeNativeMethods.SendMessage(new HandleRef(this, this.Handle), System.Windows.Forms.NativeMethods.TTM_SETTOOLINFO, 0, lParam);
System.Windows.Forms.UnsafeNativeMethods.SendMessage(new HandleRef(this, this.Handle), 0x411, 1, lParam);
}
finally
{
if (flag && (IntPtr.Zero != lParam.lpszText))
{
Marshal.FreeHGlobal(lParam.lpszText);
}
}
}
else
{
this.Hide(win);
TipInfo info2 = (TipInfo) this.tools[key];
if (info2 == null)
{
info2 = new TipInfo(text, type);
}
else
{
info2.TipType |= type;
info2.Caption = text;
}
info2.Position = position;
this.tools[key] = info2;
IntPtr safeHandle = Control.GetSafeHandle(win);
this.owners[safeHandle] = win;
System.Windows.Forms.NativeMethods.TOOLINFO_TOOLTIP winTOOLINFO = this.GetWinTOOLINFO(safeHandle);
winTOOLINFO.uFlags |= 0x20;
if ((type == TipInfo.Type.Absolute) || (type == TipInfo.Type.SemiAbsolute))
{
winTOOLINFO.uFlags |= 0x80;
}
try
{
winTOOLINFO.lpszText = Marshal.StringToHGlobalAuto(text);
System.Windows.Forms.UnsafeNativeMethods.SendMessage(new HandleRef(this, this.Handle), System.Windows.Forms.NativeMethods.TTM_ADDTOOL, 0, winTOOLINFO);
System.Windows.Forms.UnsafeNativeMethods.SendMessage(new HandleRef(this, this.Handle), 0x411, 1, winTOOLINFO);
}
finally
{
if (IntPtr.Zero != winTOOLINFO.lpszText)
{
Marshal.FreeHGlobal(winTOOLINFO.lpszText);
}
}
}
if (key != null)
{
Form form = key.FindFormInternal();
if (form != null)
{
form.Deactivate += new EventHandler(this.BaseFormDeactivate);
}
}
}
private void WndProc(ref Message msg)
{
int num2 = msg.Msg;
if (num2 <= 0x21)
{
switch (num2)
{
case 3:
this.WmMove();
return;
case 15:
goto Label_00FF;
case 0x21:
this.WmMouseActivate(ref msg);
return;
}
goto Label_027D;
}
if (num2 <= 0x318)
{
switch (num2)
{
case 70:
this.WmWindowPosChanging(ref msg);
return;
case 0x47:
if (!this.WmWindowPosChanged())
{
this.window.DefWndProc(ref msg);
}
return;
case 0x318:
goto Label_00FF;
}
goto Label_027D;
}
if (num2 == 0x410)
{
this.WmWindowFromPoint(ref msg);
return;
}
if (num2 != 0x204e)
{
goto Label_027D;
}
System.Windows.Forms.NativeMethods.NMHDR lParam = (System.Windows.Forms.NativeMethods.NMHDR) msg.GetLParam(typeof(System.Windows.Forms.NativeMethods.NMHDR));
if ((lParam.code == -521) && !this.trackPosition)
{
this.WmShow();
return;
}
if (lParam.code == -522)
{
this.WmPop();
this.window.DefWndProc(ref msg);
}
return;
Label_00FF:
if ((this.ownerDraw && !this.isBalloon) && !this.trackPosition)
{
System.Windows.Forms.NativeMethods.PAINTSTRUCT lpPaint = new System.Windows.Forms.NativeMethods.PAINTSTRUCT();
Graphics graphics = Graphics.FromHdcInternal(System.Windows.Forms.UnsafeNativeMethods.BeginPaint(new HandleRef(this, this.Handle), ref lpPaint));
Rectangle bounds = new Rectangle(lpPaint.rcPaint_left, lpPaint.rcPaint_top, lpPaint.rcPaint_right - lpPaint.rcPaint_left, lpPaint.rcPaint_bottom - lpPaint.rcPaint_top);
if (bounds == Rectangle.Empty)
{
return;
}
System.Windows.Forms.NativeMethods.TOOLINFO_TOOLTIP toolinfo_tooltip = new System.Windows.Forms.NativeMethods.TOOLINFO_TOOLTIP {
cbSize = Marshal.SizeOf(typeof(System.Windows.Forms.NativeMethods.TOOLINFO_TOOLTIP))
};
if (((int) ((long) System.Windows.Forms.UnsafeNativeMethods.SendMessage(new HandleRef(this, this.Handle), System.Windows.Forms.NativeMethods.TTM_GETCURRENTTOOL, 0, toolinfo_tooltip))) != 0)
{
Font defaultFont;
IWin32Window associatedWindow = (IWin32Window) this.owners[toolinfo_tooltip.hwnd];
Control associatedControl = Control.FromHandleInternal(toolinfo_tooltip.hwnd);
if (associatedWindow == null)
{
associatedWindow = associatedControl;
}
System.Windows.Forms.IntSecurity.ObjectFromWin32Handle.Assert();
try
{
defaultFont = Font.FromHfont(System.Windows.Forms.UnsafeNativeMethods.SendMessage(new HandleRef(this, this.Handle), 0x31, 0, 0));
}
catch (ArgumentException)
{
defaultFont = Control.DefaultFont;
}
finally
{
CodeAccessPermission.RevertAssert();
}
try
{
this.OnDraw(new DrawToolTipEventArgs(graphics, associatedWindow, associatedControl, bounds, this.GetToolTip(associatedControl), this.BackColor, this.ForeColor, defaultFont));
return;
}
finally
{
graphics.Dispose();
System.Windows.Forms.UnsafeNativeMethods.EndPaint(new HandleRef(this, this.Handle), ref lpPaint);
}
}
}
Label_027D:
this.window.DefWndProc(ref msg);
}
private System.Windows.Forms.NativeMethods.TOOLINFO_TOOLTIP GetWinTOOLINFO(IntPtr hWnd)
{
System.Windows.Forms.NativeMethods.TOOLINFO_TOOLTIP toolinfo_tooltip;
toolinfo_tooltip = new System.Windows.Forms.NativeMethods.TOOLINFO_TOOLTIP {
cbSize = Marshal.SizeOf(typeof(System.Windows.Forms.NativeMethods.TOOLINFO_TOOLTIP)),
hwnd = hWnd,
uFlags = toolinfo_tooltip.uFlags | 0x111
};
Control topLevelControl = this.TopLevelControl;
if (((topLevelControl != null) && (topLevelControl.RightToLeft == RightToLeft.Yes)) && ((((int) ((long) System.Windows.Forms.UnsafeNativeMethods.GetWindowLong(new HandleRef(this, hWnd), -16))) & 0x400000) != 0x400000))
{
toolinfo_tooltip.uFlags |= 4;
}
toolinfo_tooltip.uId = toolinfo_tooltip.hwnd;
return toolinfo_tooltip;
}
private unsafe void WmWindowPosChanging(ref Message m)
{
if (!this.cancelled)
{
System.Windows.Forms.NativeMethods.WINDOWPOS* lParam = (System.Windows.Forms.NativeMethods.WINDOWPOS*) m.LParam;
Cursor currentInternal = Cursor.CurrentInternal;
Point position = Cursor.Position;
System.Windows.Forms.NativeMethods.TOOLINFO_TOOLTIP toolinfo_tooltip = new System.Windows.Forms.NativeMethods.TOOLINFO_TOOLTIP {
cbSize = Marshal.SizeOf(typeof(System.Windows.Forms.NativeMethods.TOOLINFO_TOOLTIP))
};
if (((int) System.Windows.Forms.UnsafeNativeMethods.SendMessage(new HandleRef(this, this.Handle), System.Windows.Forms.NativeMethods.TTM_GETCURRENTTOOL, 0, toolinfo_tooltip)) != 0)
{
IWin32Window window = (IWin32Window) this.owners[toolinfo_tooltip.hwnd];
if (window == null)
{
window = Control.FromHandleInternal(toolinfo_tooltip.hwnd);
}
if ((window == null) || !this.IsWindowActive(window))
{
return;
}
TipInfo info = null;
if (window != null)
{
info = (TipInfo) this.tools[window];
if (info == null)
{
return;
}
TreeView view = window as TreeView;
if ((view != null) && view.ShowNodeToolTips)
{
return;
}
}
if (this.IsBalloon)
{
lParam->cx += 20;
return;
}
if ((info.TipType & TipInfo.Type.Auto) != TipInfo.Type.None)
{
this.window.DefWndProc(ref m);
return;
}
if (((info.TipType & TipInfo.Type.SemiAbsolute) != TipInfo.Type.None) && (info.Position == Point.Empty))
{
Screen screen = Screen.FromPoint(position);
if (currentInternal != null)
{
lParam->x = position.X;
try
{
System.Windows.Forms.IntSecurity.ObjectFromWin32Handle.Assert();
lParam->y = position.Y;
if ((((lParam->y + lParam->cy) + currentInternal.Size.Height) - currentInternal.HotSpot.Y) > screen.WorkingArea.Bottom)
{
lParam->y = position.Y - lParam->cy;
}
else
{
lParam->y = (position.Y + currentInternal.Size.Height) - currentInternal.HotSpot.Y;
}
}
finally
{
CodeAccessPermission.RevertAssert();
}
}
if ((lParam->x + lParam->cx) > screen.WorkingArea.Right)
{
lParam->x = screen.WorkingArea.Right - lParam->cx;
}
}
else if (((info.TipType & TipInfo.Type.SemiAbsolute) != TipInfo.Type.None) && (info.Position != Point.Empty))
{
Screen screen2 = Screen.FromPoint(info.Position);
lParam->x = info.Position.X;
if ((lParam->x + lParam->cx) > screen2.WorkingArea.Right)
{
lParam->x = screen2.WorkingArea.Right - lParam->cx;
}
lParam->y = info.Position.Y;
if ((lParam->y + lParam->cy) > screen2.WorkingArea.Bottom)
{
lParam->y = screen2.WorkingArea.Bottom - lParam->cy;
}
}
}
m.Result = IntPtr.Zero;
}
}
private void WmShow()
{
System.Windows.Forms.NativeMethods.RECT rect = new System.Windows.Forms.NativeMethods.RECT();
System.Windows.Forms.UnsafeNativeMethods.GetWindowRect(new HandleRef(this, this.Handle), ref rect);
System.Windows.Forms.NativeMethods.TOOLINFO_TOOLTIP lParam = new System.Windows.Forms.NativeMethods.TOOLINFO_TOOLTIP {
cbSize = Marshal.SizeOf(typeof(System.Windows.Forms.NativeMethods.TOOLINFO_TOOLTIP))
};
if (((int) System.Windows.Forms.UnsafeNativeMethods.SendMessage(new HandleRef(this, this.Handle), System.Windows.Forms.NativeMethods.TTM_GETCURRENTTOOL, 0, lParam)) != 0)
{
IWin32Window associatedWindow = (IWin32Window) this.owners[lParam.hwnd];
if (associatedWindow == null)
{
associatedWindow = Control.FromHandleInternal(lParam.hwnd);
}
if (associatedWindow != null)
{
Control associatedControl = associatedWindow as Control;
Size size = rect.Size;
PopupEventArgs e = new PopupEventArgs(associatedWindow, associatedControl, this.IsBalloon, size);
this.OnPopup(e);
DataGridView view = associatedControl as DataGridView;
if ((view != null) && view.CancelToolTipPopup(this))
{
e.Cancel = true;
}
System.Windows.Forms.UnsafeNativeMethods.GetWindowRect(new HandleRef(this, this.Handle), ref rect);
size = (e.ToolTipSize == size) ? rect.Size : e.ToolTipSize;
if (this.IsBalloon)
{
System.Windows.Forms.UnsafeNativeMethods.SendMessage(new HandleRef(this, this.Handle), 0x41f, 1, ref rect);
if (rect.Size.Height > size.Height)
{
size.Height = rect.Size.Height;
}
}
if (size != rect.Size)
{
Screen screen = Screen.FromPoint(Cursor.Position);
int num2 = this.IsBalloon ? Math.Min(size.Width - 20, screen.WorkingArea.Width) : Math.Min(size.Width, screen.WorkingArea.Width);
System.Windows.Forms.UnsafeNativeMethods.SendMessage(new HandleRef(this, this.Handle), 0x418, 0, num2);
}
if (e.Cancel)
{
this.cancelled = true;
System.Windows.Forms.SafeNativeMethods.SetWindowPos(new HandleRef(this, this.Handle), System.Windows.Forms.NativeMethods.HWND_TOPMOST, 0, 0, 0, 0, 0x210);
}
else
{
this.cancelled = false;
System.Windows.Forms.SafeNativeMethods.SetWindowPos(new HandleRef(this, this.Handle), System.Windows.Forms.NativeMethods.HWND_TOPMOST, rect.left, rect.top, size.Width, size.Height, 0x210);
}
}
}
}
private void WmPop()
{
System.Windows.Forms.NativeMethods.TOOLINFO_TOOLTIP lParam = new System.Windows.Forms.NativeMethods.TOOLINFO_TOOLTIP {
cbSize = Marshal.SizeOf(typeof(System.Windows.Forms.NativeMethods.TOOLINFO_TOOLTIP))
};
if (((int) System.Windows.Forms.UnsafeNativeMethods.SendMessage(new HandleRef(this, this.Handle), System.Windows.Forms.NativeMethods.TTM_GETCURRENTTOOL, 0, lParam)) != 0)
{
IWin32Window window = (IWin32Window) this.owners[lParam.hwnd];
if (window == null)
{
window = Control.FromHandleInternal(lParam.hwnd);
}
if (window != null)
{
Control key = window as Control;
TipInfo info = (TipInfo) this.tools[window];
if (info != null)
{
if (((info.TipType & TipInfo.Type.Auto) != TipInfo.Type.None) || ((info.TipType & TipInfo.Type.SemiAbsolute) != TipInfo.Type.None))
{
Screen screen = Screen.FromPoint(Cursor.Position);
System.Windows.Forms.UnsafeNativeMethods.SendMessage(new HandleRef(this, this.Handle), 0x418, 0, screen.WorkingArea.Width);
}
if ((info.TipType & TipInfo.Type.Auto) == TipInfo.Type.None)
{
this.tools.Remove(key);
this.owners.Remove(window.Handle);
key.HandleCreated -= new EventHandler(this.HandleCreated);
key.HandleDestroyed -= new EventHandler(this.HandleDestroyed);
this.created.Remove(key);
if (this.originalPopupDelay != 0)
{
this.AutoPopDelay = this.originalPopupDelay;
this.originalPopupDelay = 0;
}
}
else
{
info.TipType = TipInfo.Type.Auto;
info.Position = Point.Empty;
this.tools[key] = info;
}
}
}
}
}
private void WmMove()
{
System.Windows.Forms.NativeMethods.RECT rect = new System.Windows.Forms.NativeMethods.RECT();
System.Windows.Forms.UnsafeNativeMethods.GetWindowRect(new HandleRef(this, this.Handle), ref rect);
System.Windows.Forms.NativeMethods.TOOLINFO_TOOLTIP lParam = new System.Windows.Forms.NativeMethods.TOOLINFO_TOOLTIP {
cbSize = Marshal.SizeOf(typeof(System.Windows.Forms.NativeMethods.TOOLINFO_TOOLTIP))
};
if (((int) System.Windows.Forms.UnsafeNativeMethods.SendMessage(new HandleRef(this, this.Handle), System.Windows.Forms.NativeMethods.TTM_GETCURRENTTOOL, 0, lParam)) != 0)
{
IWin32Window window = (IWin32Window) this.owners[lParam.hwnd];
if (window == null)
{
window = Control.FromHandleInternal(lParam.hwnd);
}
if (window != null)
{
TipInfo info = (TipInfo) this.tools[window];
if ((window != null) && (info != null))
{
TreeView view = window as TreeView;
if (((view == null) || !view.ShowNodeToolTips) && (info.Position != Point.Empty))
{
this.Reposition(info.Position, rect.Size);
}
}
}
}
}
private void WmMouseActivate(ref Message msg)
{
System.Windows.Forms.NativeMethods.TOOLINFO_TOOLTIP lParam = new System.Windows.Forms.NativeMethods.TOOLINFO_TOOLTIP {
cbSize = Marshal.SizeOf(typeof(System.Windows.Forms.NativeMethods.TOOLINFO_TOOLTIP))
};
if (((int) System.Windows.Forms.UnsafeNativeMethods.SendMessage(new HandleRef(this, this.Handle), System.Windows.Forms.NativeMethods.TTM_GETCURRENTTOOL, 0, lParam)) != 0)
{
IWin32Window wrapper = (IWin32Window) this.owners[lParam.hwnd];
if (wrapper == null)
{
wrapper = Control.FromHandleInternal(lParam.hwnd);
}
if (wrapper != null)
{
System.Windows.Forms.NativeMethods.RECT rect = new System.Windows.Forms.NativeMethods.RECT();
System.Windows.Forms.UnsafeNativeMethods.GetWindowRect(new HandleRef(wrapper, Control.GetSafeHandle(wrapper)), ref rect);
Point position = Cursor.Position;
if (((position.X >= rect.left) && (position.X <= rect.right)) && ((position.Y >= rect.top) && (position.Y <= rect.bottom)))
{
msg.Result = (IntPtr) 3;
}
}
}
}
