/// <summary>
/// Helper method to send the right message
/// </summary>
/// <param name="scrollBarCommand">ScrollBarCommands enum to specify where to scroll</param>
/// <returns>true if this was possible</returns>
private bool SendScrollMessage(ScrollBarCommands scrollBarCommand)
{
switch (ScrollBarType)
{
case ScrollBarTypes.Horizontal:
User32Api.SendMessage(ScrollingWindow.Handle, WindowsMessages.WM_HSCROLL, scrollBarCommand, 0);
return(true);
case ScrollBarTypes.Vertical:
User32Api.SendMessage(ScrollingWindow.Handle, WindowsMessages.WM_VSCROLL, scrollBarCommand, 0);
return(true);
default:
return(false);
}
}
/// <summary>
/// Get the icon for a hWnd
/// </summary>
/// <typeparam name="TIcon">The return type for the icon, can be Icon, Bitmap or BitmapSource</typeparam>
/// <param name="window">IInteropWindow</param>
/// <param name="useLargeIcons">true to try to get a big icon first</param>
/// <returns>TIcon</returns>
public static TIcon GetIconFromWindow <TIcon>(this IInteropWindow window, bool useLargeIcons = false) where TIcon : class
{
var iconSmall = IntPtr.Zero;
var iconBig = new IntPtr(1);
var iconSmall2 = new IntPtr(2);
IntPtr iconHandle;
if (useLargeIcons)
{
iconHandle = User32Api.SendMessage(window.Handle, WindowsMessages.WM_GETICON, iconBig, IntPtr.Zero);
if (iconHandle == IntPtr.Zero)
{
iconHandle = User32Api.GetClassLongWrapper(window.Handle, ClassLongIndex.IconHandle);
}
}
else
{
iconHandle = User32Api.SendMessage(window.Handle, WindowsMessages.WM_GETICON, iconSmall2, IntPtr.Zero);
}
if (iconHandle == IntPtr.Zero)
{
iconHandle = User32Api.SendMessage(window.Handle, WindowsMessages.WM_GETICON, iconSmall, IntPtr.Zero);
}
if (iconHandle == IntPtr.Zero)
{
iconHandle = User32Api.GetClassLongWrapper(window.Handle, ClassLongIndex.SmallIconHandle);
}
if (iconHandle == IntPtr.Zero)
{
iconHandle = User32Api.SendMessage(window.Handle, WindowsMessages.WM_GETICON, iconBig, IntPtr.Zero);
}
if (iconHandle == IntPtr.Zero)
{
iconHandle = User32Api.GetClassLongWrapper(window.Handle, ClassLongIndex.IconHandle);
}
if (iconHandle != IntPtr.Zero)
{
return(IconHelper.IconHandleTo <TIcon>(iconHandle));
}
// Nothing found
return(default(TIcon));
}
/// <summary>
/// Apply position from the scrollInfo
/// </summary>
/// <param name="scrollInfo">SCROLLINFO ref</param>
/// <returns>bool</returns>
private bool ApplyPosition(ref ScrollInfo scrollInfo)
{
if (ShowChanges)
{
User32Api.SetScrollInfo(ScrollBarWindow.Handle, ScrollBarType, ref scrollInfo, true);
}
switch (ScrollBarType)
{
case ScrollBarTypes.Horizontal:
User32Api.SendMessage(ScrollingWindow.Handle, WindowsMessages.WM_HSCROLL, 4 + 0x10000 * scrollInfo.Position, 0);
break;
case ScrollBarTypes.Vertical:
case ScrollBarTypes.Control:
User32Api.SendMessage(ScrollingWindow.Handle, WindowsMessages.WM_VSCROLL, (int)((uint)ScrollBarCommands.SB_THUMBPOSITION + (scrollInfo.Position << 16)), 0);
break;
}
return(true);
}
public static void CloseWindows(IntPtr winIntPtr)
{
User32Api.SendMessage(winIntPtr, (int)WinMsg.WM_CLOSE, 0, 0);
}
/// <summary>
/// 发送消息到窗口
/// </summary>
/// <param name="intPtr"></param>
/// <param name="msg"></param>
/// <param name="wParam"></param>
/// <param name="lParam"></param>
/// <returns></returns>
public static int SendMessage(IntPtr intPtr, int msg, int wParam = 1, uint lParam = 0)
{
return(User32Api.SendMessage(intPtr, msg, wParam, lParam));
}
private void ResizeWindow(Direction direction)
{
User32Api.SendMessage(_handle, User32Api.WM_SYSCOMMAND, (IntPtr)(User32Api.SC_SIZE + direction), IntPtr.Zero);
}
private void DragMoveWindow()
{
User32Api.SendMessage(_handle, User32Api.WM_SYSCOMMAND, (IntPtr)User32Api.SC_MOVE, IntPtr.Zero);
}
/// <summary>
/// Displays XML in the main rich text box.
/// </summary>
/// <param name="xml">XML to display.</param>
private void DisplayXml(string xml)
{
//clear text
_xmlRichTextBox.Text = "";
//stop redrawing
User32Api.SendMessage(_xmlRichTextBox.Handle, User32Api.WM_SETREDRAW, 0, IntPtr.Zero);
//if we have some xml, display it
if (xml != null && xml.Length > 0)
{
StringReader sr = null;
try
{
//create a new bold font
Font standardFont = _xmlRichTextBox.SelectionFont;
Font boldFont = new Font(standardFont.Name, standardFont.Size, (FontStyle)((int)standardFont.Style + (int)FontStyle.Bold));
//load xml into a text reader
XmlTextReader reader = null;
sr = new StringReader(xml);
reader = new XmlTextReader(sr);
int tabCount = -1;
XmlNodeType previousNodeType = XmlNodeType.XmlDeclaration;
bool previousElementEmpty = false;
//itterate thru the XML, drawing out
while (reader.Read())
{
//figure out if we need to start a new line, and configure the tabcount
bool isNewLineRequired = false;
if (previousNodeType == XmlNodeType.EndElement || previousElementEmpty) //(previousElementEmpty && reader.NodeType == XmlNodeType.EndElement)
{
tabCount--;
}
if (reader.NodeType != XmlNodeType.XmlDeclaration)
{
if (reader.IsStartElement())
{
tabCount++;
if (tabCount > 0)
{
isNewLineRequired = true;
}
}
else if (previousNodeType == XmlNodeType.EndElement || previousElementEmpty)
{
isNewLineRequired = true;
}
//if necessary, create a new line
if (isNewLineRequired)
{
_xmlRichTextBox.SelectedText = "\n" + GetIndentString(tabCount);
}
}
previousElementEmpty = false;
//write the XML node
switch (reader.NodeType)
{
//TODO validate workings of entities, notations
case XmlNodeType.Document:
case XmlNodeType.DocumentFragment:
case XmlNodeType.DocumentType:
case XmlNodeType.Entity:
case XmlNodeType.EndEntity:
case XmlNodeType.EntityReference:
case XmlNodeType.Notation:
case XmlNodeType.XmlDeclaration:
_xmlRichTextBox.SelectionColor = _xmlColours.SpecialCharacter;
_xmlRichTextBox.SelectedText = string.Format("<{0}/>\n", reader.Value);
break;
case XmlNodeType.Element:
_xmlRichTextBox.SelectionColor = _xmlColours.SpecialCharacter;
_xmlRichTextBox.SelectedText = "<";
_xmlRichTextBox.SelectionColor = _xmlColours.ElementName;
_xmlRichTextBox.SelectedText = reader.Name;
bool isEmptyElement = reader.IsEmptyElement;
while (reader.MoveToNextAttribute())
{
_xmlRichTextBox.SelectionColor = _xmlColours.AttributeName;
_xmlRichTextBox.SelectedText = " " + reader.Name;
_xmlRichTextBox.SelectionColor = _xmlColours.SpecialCharacter;
_xmlRichTextBox.SelectedText = "=\"";
_xmlRichTextBox.SelectionColor = _xmlColours.AttributeValue;
_xmlRichTextBox.SelectionFont = boldFont;
_xmlRichTextBox.SelectedText = reader.Value;
_xmlRichTextBox.SelectionFont = standardFont;
_xmlRichTextBox.SelectionColor = _xmlColours.SpecialCharacter;
_xmlRichTextBox.SelectedText = "\"";
}
_xmlRichTextBox.SelectionColor = _xmlColours.SpecialCharacter;
if (isEmptyElement)
{
_xmlRichTextBox.SelectedText = " /";
previousElementEmpty = true;
}
_xmlRichTextBox.SelectedText = ">";
break;
case XmlNodeType.Text:
_xmlRichTextBox.SelectionColor = _xmlColours.ElementValue;
_xmlRichTextBox.SelectionFont = boldFont;
_xmlRichTextBox.SelectedText = reader.Value;
_xmlRichTextBox.SelectionFont = standardFont;
break;
case XmlNodeType.EndElement:
_xmlRichTextBox.SelectionColor = _xmlColours.SpecialCharacter;
_xmlRichTextBox.SelectedText = "</";
_xmlRichTextBox.SelectionColor = _xmlColours.ElementName;
_xmlRichTextBox.SelectedText = reader.Name;
_xmlRichTextBox.SelectionColor = _xmlColours.SpecialCharacter;
_xmlRichTextBox.SelectedText = ">";
break;
case XmlNodeType.CDATA:
_xmlRichTextBox.SelectionColor = _xmlColours.SpecialCharacter;
_xmlRichTextBox.SelectedText = "<![CDATA[";
_xmlRichTextBox.SelectionColor = _xmlColours.ElementValue;
_xmlRichTextBox.SelectionFont = boldFont;
_xmlRichTextBox.SelectedText = reader.Value;
_xmlRichTextBox.SelectionFont = standardFont;
_xmlRichTextBox.SelectionColor = _xmlColours.SpecialCharacter;
_xmlRichTextBox.SelectedText = "]]>";
break;
}
//store the current node for later use
previousNodeType = reader.NodeType;
}
//tidy up and position the cursor
_xmlRichTextBox.SelectedText = "\n";
_xmlRichTextBox.Select(0, 0);
}
catch
{
_xmlRichTextBox.Text = xml;
}
finally
{
if (sr != null)
{
sr.Close();
}
}
}
//stop redrawing
User32Api.SendMessage(_xmlRichTextBox.Handle, User32Api.WM_SETREDRAW, 1, IntPtr.Zero);
_xmlRichTextBox.Refresh();
}
