/// <summary>
/// If file exists in the current folder then this method simply returns the file name.
/// if not, it will search the file with provided name in every folder, specified in the system
/// search path.
/// </summary>
/// <param name="fileName">Name of the file.</param>
/// <returns></returns>
public static string FullPath(string fileName)
{
if (string.IsNullOrEmpty(fileName))
{
return(string.Empty);
}
// search machine
try
{
StringBuilder sb = new StringBuilder(260);
if (NativeMethods.FullPath(fileName, sb))
{
return(sb.ToString());
}
else
{
return(fileName);
}
}
catch (Exception ex)
{
//oops!
TraceDebug.Trace("FileSearch.FullPath: " + ex.Message);
return(fileName);
}
}
int IOleDropTarget.OleDragEnter(object pDataObj, int grfKeyState, long pt, ref int pdwEffect)
{
TraceDebug.Trace("OleDragEnter");
POINT pointl = new POINT();
pointl.x = DropTarget.GetX(pt);
pointl.y = DropTarget.GetY(pt);
// this shouldn't happen, but seems to occasionally, so rather than an Assertion that
// will cause a GPF, we'll try and handle it nicely....
if (lastDataObject != null)
{
// Drag leave wasn't called, so call it now...
this.owner.OnDragLeave(EventArgs.Empty);
lastDataObject = null;
this.lastEffect = DragDropEffects.None;
}
DragEventArgs e = this.CreateDragEventArgs(pDataObj, grfKeyState, pointl, pdwEffect);
if (e != null)
{
this.owner.OnDragEnter(e);
pdwEffect = (int)e.Effect;
this.lastEffect = e.Effect;
}
else
{
pdwEffect = 0;
}
return(0);
}
internal void DrawSurface()
{
StopTimer(pulseTimer);
try
{
Clear();
if (surfaceCache != null)
{
surfaceCache.Draw();
}
Canvas.DrawEllipse(pulsarPen, (Width - rad) / 2 - 1 + HorizontalShift, (Width - rad) / 2 + 1 + VerticalShift, rad, rad);
rad += 2;
if (rad >= 25)
{
rad = 0;
}
StartTimer(pulseTimer, frequency);
}
catch (Exception ex)
{
TraceDebug.Trace("Pulsar.DrawSurface: " + ex.Message);
}
}
private DragEventArgs CreateDragEventArgs(object pDataObj, int grfKeyState, POINT pt, int pdwEffect)
{
System.Windows.Forms.IDataObject data = null;
if (pDataObj == null)
{
data = this.lastDataObject;
}
else if (pDataObj is System.Windows.Forms.IDataObject)
{
data = (System.Windows.Forms.IDataObject)pDataObj;
}
else if (pDataObj is System.Runtime.InteropServices.ComTypes.IDataObject)
{
data = new DataObject(pDataObj);
}
else
{
TraceDebug.Trace("CreateDragEventArgs returns null");
return(null);
}
DragEventArgs args = new DragEventArgs(data, grfKeyState, pt.x, pt.y, (DragDropEffects)pdwEffect, this.lastEffect);
this.lastDataObject = data;
return(args);
}
public static void Extend(Form form, GlassMargins margins)
{
if (form == null)
{
return;
}
if (!GlassAvailable)
{
return;
}
try
{
NativeMethods.MARGINS LMargins = new NativeMethods.MARGINS();
LMargins.cxLeftWidth = margins.LeftWidth;
LMargins.cxRightWidth = margins.RightWidth;
LMargins.cyBottomHeight = margins.BottomHeight;
LMargins.cyTopHeight = margins.TopHeight;
NativeMethods.DwmExtendFrameIntoClientArea(form.Handle, ref LMargins);
}
catch (DllNotFoundException)
{
TraceDebug.Trace("DWMAPI DLL not found");
}
}
int IOleDropTarget.OleDragLeave()
{
TraceDebug.Trace("OleDragLeave");
this.owner.OnDragLeave(EventArgs.Empty);
lastDataObject = null;
this.lastEffect = DragDropEffects.None;
return(0);
}
public static Bitmap FromNativeResource(IntPtr handle, string resource)
{
if (string.IsNullOrEmpty(resource) || handle == IntPtr.Zero)
{
return(null);
}
Bitmap result;
int w = 0;
int h = 0;
IntPtr ppvBits;
IntPtr hBitmap = NativeMethods.LoadPNGResource(handle, resource, ref w, ref h, out ppvBits);
if (hBitmap != IntPtr.Zero)
{
try
{
#if PRESSURE
long pressure = InteropHelper.AlignToPage(w * h * 4);
if (pressure != 0L)
{
GC.AddMemoryPressure(pressure);
}
#endif
result = new Bitmap(w, h, PixelFormat.Format32bppArgb);
try
{
BitmapData data = result.LockBits(new Rectangle(0, 0, w, h), ImageLockMode.ReadWrite, PixelFormat.Format32bppArgb);
NativeMethods.RtlMoveMemory(data.Scan0, ppvBits, h * data.Stride); // copies the bitmap
result.UnlockBits(data);
}
catch (Exception ex)
{
TraceDebug.Trace("FromNativeResource: " + ex.Message + " Resource name " + resource);
result = null;
}
}
finally
{
NativeMethods.DeleteObject(hBitmap);
#if PRESSURE
long pressure = InteropHelper.AlignToPage(w * h * 4);
if (pressure != 0L)
{
GC.RemoveMemoryPressure(pressure);
}
#endif
}
return(result);
}
else
{
return(null);
}
}
public void StopTimer(int timerId)
{
try
{
NativeMethods.KillTimer(handle, (IntPtr)timerId);
}
catch (Exception ex)
{
TraceDebug.Trace("StopTimer: " + ex.Message);
}
}
public void StartTimer(int timerId, int interval)
{
try
{
NativeMethods.SetTimer(handle, (IntPtr)timerId, interval, IntPtr.Zero);
}
catch (Exception ex)
{
TraceDebug.Trace("StartTimer: " + ex.Message);
}
}
public void Save()
{
if (ReadOnly)
{
return;
}
if (string.IsNullOrEmpty(fileName))
{
return;
}
FileOperations.ClearFileAttributes(fileName);
IntPtr file = IntPtr.Zero;
try
{
try
{
file = NativeMethods.FileCreateRewrite(fileName);
for (int i = 0; i < sections.Count; i++)
{
NativeMethods.FileWriteChar(file, openSection);
NativeMethods.FileWrite(file, sections.Key(i));
NativeMethods.FileWriteChar(file, closeSection);
NativeMethods.FileWriteNewLine(file);
for (int j = 0; j < sections[i].Count; j++)
{
if (!string.IsNullOrEmpty(sections[i].Value(j)))
{
NativeMethods.FileWrite(file, sections[i].Key(j));
NativeMethods.FileWriteChar(file, divider);
NativeMethods.FileWrite(file, sections[i].Value(j));
NativeMethods.FileWriteNewLine(file);
}
}
}
}
catch (Exception ex)
{
TraceDebug.Trace("MemIniFile.Save: " + ex.Message);
}
}
finally
{
if (file != IntPtr.Zero)
{
NativeMethods.FileClose(file);
}
}
}
internal static void SetCompositionEnabled(bool value)
{
if (!GlassAvailable)
{
return;
}
try
{
NativeMethods.DwmEnableComposition(value);
}
catch (DllNotFoundException)
{
TraceDebug.Trace("DWMAPI DLL not found");
}
}
/// <summary>
/// Get the image for specified file name. If the file has no embedded icon,
/// this method will return default image for the file extension
/// </summary>
/// <param name="fileName">Name of the file.</param>
/// <returns>Image or null. The size of the image = size of the icon</returns>
public static Image FileNameImage(string fileName)
{
Image result;
try
{
result = FileNameImageInternal(fileName);
}
catch (Exception ex)
{
TraceDebug.Trace(ex);
result = NativeThemeManager.LoadBitmap("UnknownFile.png");
}
return(result);
}
int IOleDropTarget.OleDragOver(int grfKeyState, long pt, ref int pdwEffect)
{
TraceDebug.Trace("OleDragOver");
POINT pointl = new POINT();
pointl.x = DropTarget.GetX(pt);
pointl.y = DropTarget.GetY(pt);
DragEventArgs e = this.CreateDragEventArgs(lastDataObject, grfKeyState, pointl, pdwEffect);
if (e != null)
{
this.owner.OnDragOver(e);
pdwEffect = (int)e.Effect;
this.lastEffect = e.Effect;
}
else
{
pdwEffect = 0;
}
return(0);
}
public UIElement this[string name]
{
get
{
try
{
if (nameList.ContainsKey(name))
{
return(this[nameList[name]]);
}
else
{
return(null);
}
}
catch (Exception ex)
{
TraceDebug.Trace("The visual element [UIElement] with name " + name + " was not found " + ex.Message);
return(null);
}
}
}
internal static bool IsCompositionEnabled()
{
bool enabled = false;
if (!GlassAvailable)
{
return(false);
}
try
{
int res = NativeMethods.DwmIsCompositionEnabled(ref enabled);
if (res != 0)
{
enabled = false;
}
}
catch (DllNotFoundException)
{
TraceDebug.Trace("DWMAPI DLL not found");
return(false);
}
return(enabled);
}
public unsafe void Load()
{
string s;
string currentSection = null;
string[] content;
sections.Clear();
if (string.IsNullOrEmpty(fileName))
{
return;
}
if (!FileOperations.FileExists(fileName))
{
return;
}
TextFileReader reader = null;
try
{
try
{
reader = new TextFileReader(fileName, encoding);
while ((s = reader.ReadLine()) != null)
{
if (string.IsNullOrEmpty(s))
{
continue;
}
if (s[0] == ';')
{
continue;
}
if ((s[0] == openSection) && (s[s.Length - 1] == closeSection))
{
currentSection = s.Substring(1, s.Length - 2);
sections.Add(currentSection);
}
else
{
if (currentSection == null)
{
continue;
}
int j = s.IndexOf(divider);
if (j > 0)
{
content = s.Split(new char[1] {
divider
}, 2);
if (content.Length == 2)
{
sections[currentSection].Add(content[0].Trim(), content[1].Trim());
}
}
}
}
}
catch (Exception ex)
{
TraceDebug.Trace("MemIniFile.Load: " + ex.Message);
}
}
finally
{
if (reader != null)
{
reader.Close();
}
}
}
