private void SetupMagnifier()
{
if (!initialized)
return;
IntPtr hInst;
hInst = NativeMethods.GetModuleHandle(null);
// Make the window opaque. Which has been dealt with in the magnifier class
//form.AllowTransparency = true;
//form.TransparencyKey = Color.Empty;
//form.Opacity = 255;
// Create a magnifier control that fills the client area.
NativeMethods.GetClientRect(form.Handle, ref magWindowRect);
if (isLens)// if the magnifier is a lens don't show magnifier cursor
{
hwndMag = NativeMethods.CreateWindow((int)ExtendedWindowStyles.WS_EX_CLIENTEDGE, NativeMethods.WC_MAGNIFIER,
"MagnifierWindow", (int)WindowStyles.WS_CHILD |
(int)WindowStyles.WS_VISIBLE,
magWindowRect.left, magWindowRect.top, magWindowRect.right, magWindowRect.bottom, form.Handle, IntPtr.Zero, hInst, IntPtr.Zero);
}
else// if the magnifier is not a lens show the maginified cursor
{
hwndMag = NativeMethods.CreateWindow((int)ExtendedWindowStyles.WS_EX_CLIENTEDGE, NativeMethods.WC_MAGNIFIER,
"MagnifierWindow", (int)WindowStyles.WS_CHILD | (int)MagnifierStyle.MS_SHOWMAGNIFIEDCURSOR |
(int)WindowStyles.WS_VISIBLE,
magWindowRect.left, magWindowRect.top, magWindowRect.right, magWindowRect.bottom, form.Handle, IntPtr.Zero, hInst, IntPtr.Zero);
}
//initialStyle = NativeMethods.GetWindowLong(hwndMag, -20);
//NativeMethods.SetWindowLong(hwndMag, -20, initialStyle | 0x80000 | 0x20);
//NativeMethods.SetLayeredWindowAttributes(hwndMag, 0, 255, LayeredWindowAttributeFlags.LWA_ALPHA);
if (hwndMag == IntPtr.Zero)
{
return;
}
// Set the magnification factor.
Transformation matrix = new Transformation(magnification);
NativeMethods.MagSetWindowTransform(hwndMag, ref matrix);
}
public void setMagnificationFactor()
{
Transformation matrix = new Transformation(magnification);
NativeMethods.MagSetWindowTransform(hwndMag, ref matrix);
}
public void setMagnificationFactor()
{
Transformation matrix = new Transformation(magnification);
NativeMethods.MagSetWindowTransform(hwndMag, ref matrix);
}
private void SetupMagnifier()
{
if (!initialized)
{
return;
}
IntPtr hInst;
hInst = NativeMethods.GetModuleHandle(null);
// Make the window opaque. Which has been dealt with in the magnifier class
//form.AllowTransparency = true;
//form.TransparencyKey = Color.Empty;
//form.Opacity = 255;
// Create a magnifier control that fills the client area.
NativeMethods.GetClientRect(form.Handle, ref magWindowRect);
/*
* if (isLens)// if the magnifier is a lens don't show magnifier cursor
* {
* hwndMag = NativeMethods.CreateWindow((int)ExtendedWindowStyles.WS_EX_CLIENTEDGE, NativeMethods.WC_MAGNIFIER,
* "MagnifierWindow", (int)WindowStyles.WS_CHILD |
* (int)WindowStyles.WS_VISIBLE,
* magWindowRect.left, magWindowRect.top, magWindowRect.right, magWindowRect.bottom, form.Handle, IntPtr.Zero, hInst, IntPtr.Zero);
* }
* else// if the magnifier is not a lens show the maginified cursor*/
//{
// show mainified cursor
hwndMag = NativeMethods.CreateWindow((int)ExtendedWindowStyles.WS_EX_CLIENTEDGE, NativeMethods.WC_MAGNIFIER,
"MagnifierWindow", (int)WindowStyles.WS_CHILD | (int)MagnifierStyle.MS_SHOWMAGNIFIEDCURSOR |
(int)WindowStyles.WS_VISIBLE,
magWindowRect.left, magWindowRect.top, magWindowRect.right, magWindowRect.bottom, form.Handle, IntPtr.Zero, hInst, IntPtr.Zero);
// }
if (hwndMag == IntPtr.Zero)
{
return;
}
// Set the magnification factor.
Transformation matrix = new Transformation(magnification);
NativeMethods.MagSetWindowTransform(hwndMag, ref matrix);
NativeMethods.GetCursorPos(ref mousePoint);
int width = (int)((magWindowRect.right - magWindowRect.left) / magnification);
int height = (int)((magWindowRect.bottom - magWindowRect.top) / magnification);
// the size of the sourceRect
//int width = 250;
//int height = 250;
//Set the area around the mouse to sourceRect.
//and adjust this sourceRect if the sourceRect is over the region of the screen.
if (mousePoint.x - width / 2 < 0)
{
sourceRect.left = 0;
}
else
{
sourceRect.left = mousePoint.x - width / 2;
}
if (mousePoint.y - height / 2 < 0)
{
sourceRect.top = 0;
}
else
{
sourceRect.top = mousePoint.y - height / 2;
}
sourceRect.right = mousePoint.x + width / 2;
sourceRect.bottom = mousePoint.y + height / 2;
}
public static extern bool MagSetWindowTransform(IntPtr hwnd, ref Transformation pTransform);
