public static WIP Show(Control parent) {
WIP o = new WIP();
o.Location = Point.Empty;
o.Size = parent.ClientSize;
o.Parent = parent;
o.Show();
o.BringToFront();
o.Update();
parent.Update();
return o;
}
/// <summary>
/// Initializes an instance of the DisposableCursor class with the specified cursor displayed for the specified control.
/// </summary>
/// <param name="control">The control to display the cursor over.</param>
/// <param name="newCursor">The cursor to display while the mouse pointer is over the control.</param>
public DisposableCursor(Control control, Cursor newCursor)
{
if (control == null)
throw new ArgumentNullException(nameof(control));
if (newCursor == null)
throw new ArgumentNullException(nameof(newCursor));
this.previousCursor = control.Cursor;
this.control = control;
control.Cursor = newCursor;
control.Update();
}
public static void ValidateControl(Control c, bool passedValidation)
{
if (!passedValidation)
{
c.BackColor = Color.Yellow;
}
else
{
c.BackColor = Color.White;
}
c.Update();
}
string SetTextBoxText(Control textbox,
string strText)
{
string strOldText = textbox.Text;
textbox.Text = strText;
textbox.Update();
return strOldText;
}
// 线程安全版本
string Safe_SetTextBoxText(Control textbox,
string strText)
{
if (textbox.Parent != null && textbox.Parent.InvokeRequired)
{
Delegate_SetTextBoxText d = new Delegate_SetTextBoxText(SetTextBoxText);
return (string)textbox.Parent.Invoke(d, new object[] { textbox, strText });
}
else
{
string strOldText = textbox.Text;
textbox.Text = strText;
textbox.Update();
return strOldText;
}
}
protected virtual void Update(Control containerControl)
{
if (containerControl.InvokeRequired)
containerControl.BeginInvoke(new MethodInvoker(delegate { containerControl.Update(); }));
else
containerControl.Update();
}
public void TestPublicMethods ()
{
// Public Methods that force Handle creation:
// - CreateControl ()
// - CreateGraphics ()
// - GetChildAtPoint ()
// - Invoke, BeginInvoke throws InvalidOperationException if Handle has not been created
// - PointToClient ()
// - PointToScreen ()
// - RectangleToClient ()
// - RectangleToScreen ()
Control c = new Control ();
c.BringToFront ();
Assert.IsFalse (c.IsHandleCreated, "A1");
c.Contains (new Control ());
Assert.IsFalse (c.IsHandleCreated, "A2");
c.CreateControl ();
Assert.IsTrue (c.IsHandleCreated, "A3");
c = new Control ();
Graphics g = c.CreateGraphics ();
g.Dispose ();
Assert.IsTrue (c.IsHandleCreated, "A4");
c = new Control ();
c.Dispose ();
Assert.IsFalse (c.IsHandleCreated, "A5");
c = new Control ();
//DragDropEffects d = c.DoDragDrop ("yo", DragDropEffects.None);
//Assert.IsFalse (c.IsHandleCreated, "A6");
//Assert.AreEqual (DragDropEffects.None, d, "A6b");
//Bitmap b = new Bitmap (100, 100);
//c.DrawToBitmap (b, new Rectangle (0, 0, 100, 100));
//Assert.IsFalse (c.IsHandleCreated, "A7");
//b.Dispose ();
c.FindForm ();
Assert.IsFalse (c.IsHandleCreated, "A8");
c.Focus ();
Assert.IsFalse (c.IsHandleCreated, "A9");
c.GetChildAtPoint (new Point (10, 10));
Assert.IsTrue (c.IsHandleCreated, "A10");
c.GetContainerControl ();
c = new Control ();
Assert.IsFalse (c.IsHandleCreated, "A11");
c.GetNextControl (new Control (), true);
Assert.IsFalse (c.IsHandleCreated, "A12");
#if NET_2_0
c.GetPreferredSize (Size.Empty);
Assert.IsFalse (c.IsHandleCreated, "A13");
#endif
c.Hide ();
Assert.IsFalse (c.IsHandleCreated, "A14");
c.Invalidate ();
Assert.IsFalse (c.IsHandleCreated, "A15");
//c.Invoke (new InvokeDelegate (InvokeMethod));
//Assert.IsFalse (c.IsHandleCreated, "A16");
c.PerformLayout ();
Assert.IsFalse (c.IsHandleCreated, "A17");
c.PointToClient (new Point (100, 100));
Assert.IsTrue (c.IsHandleCreated, "A18");
c = new Control ();
c.PointToScreen (new Point (100, 100));
Assert.IsTrue (c.IsHandleCreated, "A19");
c = new Control ();
//c.PreProcessControlMessage ???
//c.PreProcessMessage ???
c.RectangleToClient (new Rectangle (0, 0, 100, 100));
Assert.IsTrue (c.IsHandleCreated, "A20");
c = new Control ();
c.RectangleToScreen (new Rectangle (0, 0, 100, 100));
Assert.IsTrue (c.IsHandleCreated, "A21");
c = new Control ();
c.Refresh ();
Assert.IsFalse (c.IsHandleCreated, "A22");
c.ResetBackColor ();
Assert.IsFalse (c.IsHandleCreated, "A23");
c.ResetBindings ();
Assert.IsFalse (c.IsHandleCreated, "A24");
c.ResetCursor ();
Assert.IsFalse (c.IsHandleCreated, "A25");
c.ResetFont ();
Assert.IsFalse (c.IsHandleCreated, "A26");
c.ResetForeColor ();
Assert.IsFalse (c.IsHandleCreated, "A27");
c.ResetImeMode ();
Assert.IsFalse (c.IsHandleCreated, "A28");
c.ResetRightToLeft ();
Assert.IsFalse (c.IsHandleCreated, "A29");
c.ResetText ();
Assert.IsFalse (c.IsHandleCreated, "A30");
c.SuspendLayout ();
Assert.IsFalse (c.IsHandleCreated, "A31");
c.ResumeLayout ();
Assert.IsFalse (c.IsHandleCreated, "A32");
#if NET_2_0
c.Scale (new SizeF (1.5f, 1.5f));
Assert.IsFalse (c.IsHandleCreated, "A33");
#endif
c.Select ();
Assert.IsFalse (c.IsHandleCreated, "A34");
c.SelectNextControl (new Control (), true, true, true, true);
Assert.IsFalse (c.IsHandleCreated, "A35");
c.SetBounds (0, 0, 100, 100);
Assert.IsFalse (c.IsHandleCreated, "A36");
c.Update ();
Assert.IsFalse (c.IsHandleCreated, "A37");
}
protected bool TrackHandle(int nHandle,Control frm,Point point,Form frmClipTo)
{
Debug.Assert(nHandle >= 0);
Debug.Assert(nHandle <= 8); // handle 8 is inside the rect
// don't handle if capture already set
//if(frm.Capture) return false;
Debug.Assert(!m_bFinalErase);
// save original width & height in pixels
int nWidth = m_rect.Width;
int nHeight = m_rect.Height;
// set capture to the window which received this message
frm.Capture=true;
Debug.Assert(frm.Capture);
frm.Update();
if (frmClipTo!=null)
frmClipTo.Update();
Rectangle rectSave = m_rect;
// find out what x/y coords we are supposed to modify
int px=0, py=0;
int xDiff=0, yDiff=0;
GetModifyPointers(nHandle,ref px,ref py,ref xDiff,ref yDiff,true);
xDiff = point.X - xDiff;
yDiff = point.Y - yDiff;
// get DC for drawing
Graphics gs;
if (frmClipTo!=null)
{
// clip to arbitrary window by using adjusted Window DC
gs=frmClipTo.CreateGraphics();
}
else
{
// otherwise, just use normal DC
gs=frm.CreateGraphics();
}
Rectangle rectOld;
bool bMoved = false;
// get messages until capture lost or cancelled/accepted
for (;;)
{
MSG msg=new MSG();
if(GetMessage(ref msg, 0, 0, 0)!=1) break;
if(!frm.Capture) break;
switch (msg.message)
{
// handle movement/accept messages
case WM_LBUTTONUP:
case WM_MOUSEMOVE:
rectOld = m_rect;
// handle resize cases (and part of move)
SetRectInt(px,LoWord(msg.lParam) - xDiff);
SetRectInt(py,HiWord(msg.lParam) - yDiff);
// handle move case
if (nHandle == (int)TrackerHit.hitMiddle)
{
m_rect.Width=nWidth;
m_rect.Height=nHeight;
}
// allow caller to adjust the rectangle if necessary
AdjustRect(nHandle,ref m_rect);
// only redraw and callback if the rect actually changed!
m_bFinalErase = (msg.message == WM_LBUTTONUP);
if (m_bFinalErase)
goto ExitLoop;
if (!rectOld.Equals(m_rect) || m_bFinalErase)
{
if (bMoved)
{
m_bErase = true;
DrawTrackerRect(rectOld, frmClipTo, gs, frm);
}
OnChangedRect(rectOld);
if (msg.message != WM_LBUTTONUP)
bMoved = true;
}
if (m_bFinalErase)
goto ExitLoop;
if (!rectOld.Equals(m_rect))
{
m_bErase = false;
DrawTrackerRect(m_rect, frmClipTo, gs, frm);
}
break;
// handle cancel messages
case WM_KEYDOWN:
if (msg.wParam != 0x1B)//VK_ESCAPE
break;
goto default;
case WM_RBUTTONDOWN:
if (bMoved)
{
m_bErase = m_bFinalErase = true;
DrawTrackerRect(m_rect, frmClipTo, gs, frm);
}
m_rect = rectSave;
goto ExitLoop;
// just dispatch rest of the messages
default:
DispatchMessage(ref msg);
break;
}
}
ExitLoop:
gs.Dispose();
frm.Capture=false;
// restore rect in case bMoved is still FALSE
if (!bMoved)
m_rect = rectSave;
m_bFinalErase = false;
m_bErase = false;
// return TRUE only if rect has changed
return !rectSave.Equals(m_rect);
}
internal void AddControl(Control newChild, IDictionary defaultValues)
{
Point empty = Point.Empty;
Size size = Size.Empty;
Size size2 = new Size(0, 0);
bool flag = (defaultValues != null) && defaultValues.Contains("Location");
bool flag2 = (defaultValues != null) && defaultValues.Contains("Size");
if (flag)
{
empty = (Point) defaultValues["Location"];
}
if (flag2)
{
size = (Size) defaultValues["Size"];
}
if ((defaultValues != null) && defaultValues.Contains("Offset"))
{
size2 = (Size) defaultValues["Offset"];
}
IDesignerHost host = (IDesignerHost) this.GetService(typeof(IDesignerHost));
if ((((host != null) && (newChild != null)) && (!this.Control.Contains(newChild) && (host.GetDesigner(newChild) is ControlDesigner))) && (!(newChild is Form) || !((Form) newChild).TopLevel))
{
Rectangle dragRect = new Rectangle();
if (flag)
{
empty = this.Control.PointToClient(empty);
dragRect.X = empty.X;
dragRect.Y = empty.Y;
}
else
{
ISelectionService service = (ISelectionService) this.GetService(typeof(ISelectionService));
object primarySelection = service.PrimarySelection;
Control controlForComponent = null;
if (primarySelection != null)
{
controlForComponent = ((IOleDragClient) this).GetControlForComponent(primarySelection);
}
if ((controlForComponent != null) && (controlForComponent.Site == null))
{
controlForComponent = null;
}
if ((primarySelection == base.Component) || (controlForComponent == null))
{
dragRect.X = this.DefaultControlLocation.X;
dragRect.Y = this.DefaultControlLocation.Y;
}
else
{
dragRect.X = controlForComponent.Location.X + this.GridSize.Width;
dragRect.Y = controlForComponent.Location.Y + this.GridSize.Height;
}
}
if (flag2)
{
dragRect.Width = size.Width;
dragRect.Height = size.Height;
}
else
{
dragRect.Size = this.GetDefaultSize(newChild);
}
if (!flag2 && !flag)
{
Rectangle adjustedSnapLocation = this.GetAdjustedSnapLocation(Rectangle.Empty, dragRect);
dragRect = this.GetControlStackLocation(adjustedSnapLocation);
}
else
{
dragRect = this.GetAdjustedSnapLocation(Rectangle.Empty, dragRect);
}
dragRect.X += size2.Width;
dragRect.Y += size2.Height;
if ((defaultValues != null) && defaultValues.Contains("ToolboxSnapDragDropEventArgs"))
{
ToolboxSnapDragDropEventArgs e = defaultValues["ToolboxSnapDragDropEventArgs"] as ToolboxSnapDragDropEventArgs;
Rectangle rectangle3 = DesignerUtils.GetBoundsFromToolboxSnapDragDropInfo(e, dragRect, this.Control.IsMirrored);
Control rootComponent = host.RootComponent as Control;
if ((rootComponent != null) && rectangle3.IntersectsWith(rootComponent.ClientRectangle))
{
dragRect = rectangle3;
}
}
PropertyDescriptor member = TypeDescriptor.GetProperties(this.Control)["Controls"];
if (this.componentChangeSvc != null)
{
this.componentChangeSvc.OnComponentChanging(this.Control, member);
}
this.AddChildControl(newChild);
PropertyDescriptorCollection properties = TypeDescriptor.GetProperties(newChild);
if (properties != null)
{
PropertyDescriptor descriptor2 = properties["Size"];
if (descriptor2 != null)
{
descriptor2.SetValue(newChild, new Size(dragRect.Width, dragRect.Height));
}
Point point2 = new Point(dragRect.X, dragRect.Y);
ScrollableControl parent = newChild.Parent as ScrollableControl;
if (parent != null)
{
Point autoScrollPosition = parent.AutoScrollPosition;
point2.Offset(-autoScrollPosition.X, -autoScrollPosition.Y);
}
descriptor2 = properties["Location"];
if (descriptor2 != null)
{
descriptor2.SetValue(newChild, point2);
}
}
if (this.componentChangeSvc != null)
{
this.componentChangeSvc.OnComponentChanged(this.Control, member, this.Control.Controls, this.Control.Controls);
}
newChild.Update();
}
}
/// <summary>
/// Capture a specific control in the client area of a form.
/// </summary>
/// <param name="window">This is a control which should be captured.</param>
/// <returns>The image which has been captured.</returns>
public virtual Bitmap CaptureControl(Control window)
{
Rectangle rc = window.RectangleToScreen(window.DisplayRectangle);
window.Update();
return capture(window, rc);
}
private void ForceRefresh(Control c)
{
c.Invalidate();
c.Update();
c.Refresh();
}
private void SetPictureBoxColor(Control pbox, Color col)
{
if (pbox.InvokeRequired)
{
SetPictureBoxColorCallback d = new SetPictureBoxColorCallback(SetPictureBoxColor);
this.Invoke(d, new object[] { pbox, col });
}
else
{
pbox.BackColor = col;
//proximityStateLbl.Text = col.ToString();
pbox.Update();
}
}
/// <summary>
/// Tries to invoke the RecalcLayout method on the control and return true if such method was invoked.
/// </summary>
/// <param name="c">Reference to the control</param>
/// <param name="invalidate">Indicates whether to invalidate control if no recalc layout method is found</param>
/// <returns>return true if method is invoked.</returns>
public static bool InvokeRecalcLayout(Control c, bool invalidate)
{
if (c is ItemControl)
{
((ItemControl)c).RecalcLayout();
return true;
}
else if (c is Bar)
{
((Bar)c).RecalcLayout();
return true;
}
else if (c is ExplorerBar)
{
((ExplorerBar)c).RecalcLayout();
return true;
}
else if (c is BaseItemControl)
{
((BaseItemControl)c).RecalcLayout();
return true;
}
else if (c is BarBaseControl)
{
((BarBaseControl)c).RecalcLayout();
return true;
}
else if (c is PopupItemControl)
{
((PopupItemControl)c).RecalcLayout();
return true;
}
MethodInfo m = c.GetType().GetMethod("RecalcLayout");
if (m != null)
{
m.Invoke(c, null);
return true;
}
else if (invalidate)
{
c.Invalidate(true);
c.Update();
}
return false;
}
/// <summary>
///在指定的控件中添加用户控件。
/// </summary>
/// <param name="parent"></param>
/// <param name="userControl"></param>
public virtual void AddUseControls(Control parent, IWindow userControl)
{
if (parent != null && userControl != null)
{
UserControl uc = userControl as UserControl;
if (uc != null)
{
uc.AutoSize = true;
if (uc.Dock == DockStyle.Fill)
parent.Controls.Clear();
parent.Controls.Add(uc);
parent.Update();
userControl.MessageEvent += this.OnMessageEvent;
userControl.ToolTipEvent += this.OnToolTipEvent;
userControl.SetErrorEvent += this.OnSetErrorEvent;
userControl.ClearErrorEvent += this.OnClearErrorEvent;
}
}
}
