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|
struct SearchData
{
public string WindowText;
public IntPtr ParentHandle;
public IntPtr ResultHandle;
}
delegate bool EnumWindowsCallback(IntPtr currentWindowHandle, ref SearchData searchData);
[DllImport("user32.dll")]
internal static extern IntPtr GetActiveWindow();
[DllImport("user32")]
private static extern IntPtr SetWindowLongPtr(IntPtr hwnd, int index,
IntPtr wndProc);
[DllImport("user32")]
private static extern IntPtr GetWindowLongPtr(IntPtr hwnd, int index);
[DllImport("User32.dll", CharSet = CharSet.Auto)]
private static extern IntPtr CallWindowProc(IntPtr wndProc, IntPtr hwnd, int msg,
IntPtr wparam, IntPtr lparam);
[DllImport("user32.dll")]
static extern IntPtr BeginPaint(IntPtr hwnd, out PAINTSTRUCT lpPaint);
[DllImport("user32.dll")]
static extern bool EndPaint(IntPtr hWnd, [In] ref PAINTSTRUCT lpPaint);
[DllImport("user32.dll")]
static extern bool GetClientRect(IntPtr hWnd, out RECT lpRect);
[DllImport("user32.dll")]
static extern IntPtr GetDC(IntPtr hWnd);
[DllImport("user32.dll")]
static extern bool ReleaseDC(IntPtr hWnd, IntPtr hDC);
[DllImport("gdi32.dll", EntryPoint = "CreateCompatibleDC", SetLastError = true)]
static extern IntPtr CreateCompatibleDC([In] IntPtr hdc);
[DllImport("gdi32.dll", EntryPoint = "DeleteDC")]
public static extern bool DeleteDC([In] IntPtr hdc);
[DllImport("user32.dll")]
static extern bool ValidateRect(IntPtr hWnd, ref RECT lpRect);
[DllImport("user32.dll")] static extern bool EnumChildWindows(IntPtr handle,EnumWindowsCallback callback, ref SearchData searchData);
[DllImport("user32.dll")] static extern IntPtr GetParent(IntPtr childHandle);
[DllImport("user32.dll")] static extern void GetWindowText(IntPtr handle, StringBuilder resultWindowText, int maxTextCapacity);
[DllImport("user32.dll")] static extern void GetClassName(IntPtr handle, StringBuilder resultWindowText, int maxTextCapacity);
static bool Callback(IntPtr currentWindowHandle, ref SearchData searchData)
{
bool continueEnumeration = true;
//IntPtr currentWindowParentHandle = GetParent(currentWindowHandle);
//if (currentWindowParentHandle == searchData.ParentHandle)
{
var windowText = new StringBuilder(1024);
GetClassName(currentWindowHandle, windowText, windowText.Capacity);
//if (windowText.ToString() == searchData.WindowText)
if (windowText.ToString().ToUpper().Contains(searchData.WindowText.ToUpper()))
{
searchData.ResultHandle = currentWindowHandle;
continueEnumeration = false;
}
}
return continueEnumeration;
}
IntPtr GetChildWindowHandle(string windowText, IntPtr parentHandle)
{
var searchData = new SearchData { ParentHandle = parentHandle, WindowText = windowText };
EnumChildWindows(parentHandle,Callback, ref searchData);
return searchData.ResultHandle;
}
private delegate IntPtr WndProcPointer(IntPtr hwnd, int msg,
IntPtr wparam, IntPtr lparam);
static IntPtr oldwndproc = IntPtr.Zero;
static WndProcPointer wa;
protected virtual IntPtr WndProc(IntPtr hwnd, int msg, IntPtr wparam, IntPtr lparam)
{
IntPtr ret;
if (msg==0xf) //WM_PAINT
{
ret = tdxtt(hwnd, msg, wparam, lparam);
}
else
if ((msg == 0x200)) //WM_MOUSEMOVE
{
bool ta = true;
int iwparam = wparam.ToInt32();
if ((iwparam & 0x10) == 0x10) //mbutton
ta = false;
ret = tdxtt(hwnd, msg, wparam, lparam,ta);
}
else
if ( (msg == 0xa0) || (msg == 0x20) || (msg == 0x46) || (msg == 0x22)|| (msg == 0x07) || (msg == 0x08))
{
ret = tdxtt(hwnd, msg, wparam, lparam);
}
else
ret = CallWindowProc(oldwndproc, hwnd, msg, wparam, lparam);
return ret;
}
private IntPtr tdxtt(IntPtr hwnd, int msg, IntPtr wparam, IntPtr lparam,bool traceit=true)
{
IntPtr ret;
if (traceit == false)
{
ret = CallWindowProc(oldwndproc, hwnd, msg, wparam, lparam);
}
else
{
Graphics g = Graphics.FromHwndInternal(hwnd);
GetClientRect(hwnd, out var nrc);
var rect = new System.Drawing.Rectangle(nrc.Left, nrc.Top, nrc.Width, nrc.Height);
if (bmp != null)
bmp.Dispose();
{
bmp = new Bitmap(rect.Width, rect.Height);
var grbmp = Graphics.FromImage(bmp);
trptest(grbmp);
grbmp.Dispose();
}
ret = CallWindowProc(oldwndproc, hwnd, msg, wparam, lparam);
g.DrawImage(bmp, 0, 0);
}
return ret;
}
public Result Execute(ExternalCommandData commandData, ref string message, ElementSet elements)
{
var uidoc = commandData.Application.ActiveUIDocument;
// commandData.Application.Idling += gcbar;
if (oldwndproc == IntPtr.Zero)
{
var ig = GetActiveWindow();
IntPtr hp = GetChildWindowHandle("AfxFrameOrView", ig);
wa = new WndProcPointer(WndProc);
var intptrwa = Marshal.GetFunctionPointerForDelegate(wa);
oldwndproc = SetWindowLongPtr(hp, GWL_WNDPROC, intptrwa);
var sel = uidoc.Selection;
try
{
var oo = sel.PickPoint();
}
finally
{
SetWindowLongPtr(hp, GWL_WNDPROC, oldwndproc);
oldwndproc = IntPtr.Zero;
}
}
return Result.Succeeded;
} |
Scintillement lors de surcharge de fonction WndProc
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