/* Will clean this up later doing something like this
* enum CaptureOptions : long
* {
* PRF_CHECKVISIBLE= 0x00000001L,
* PRF_NONCLIENT = 0x00000002L,
* PRF_CLIENT = 0x00000004L,
* PRF_ERASEBKGND = 0x00000008L,
* PRF_CHILDREN = 0x00000010L,
* PRF_OWNED = 0x00000020L
* }
*/
public static bool CaptureWindow(System.Windows.Forms.Control control,
ref System.Drawing.Bitmap bitmap)
{
//This function captures the contents of a window or control
Graphics g2 = Graphics.FromImage(bitmap);
//PRF_CHILDREN // PRF_NONCLIENT
int meint = (int)(PRF_CLIENT | PRF_ERASEBKGND); //| PRF_OWNED ); // );
System.IntPtr meptr = new System.IntPtr(meint);
System.IntPtr hdc = g2.GetHdc();
WIN32.SendMessage(control.Handle, WIN32.WM_PRINT, hdc, meptr);
g2.ReleaseHdc(hdc);
g2.Dispose();
return(true);
}
private Point findCaret()
{
Point pointCaret = new Point(0);
int i_char_loc = this.SelectionStart;
IntPtr pi_char_loc = new IntPtr(i_char_loc);
int i_point = WIN32.SendMessage(this.Handle, WIN32.EM_POSFROMCHAR, pi_char_loc, IntPtr.Zero);
pointCaret = new Point(i_point);
if (i_char_loc == 0)
{
pointCaret = new Point(0);
}
else if (i_char_loc >= this.Text.Length)
{
pi_char_loc = new IntPtr(i_char_loc - 1);
i_point = WIN32.SendMessage(this.Handle, WIN32.EM_POSFROMCHAR, pi_char_loc, IntPtr.Zero);
pointCaret = new Point(i_point);
Graphics g = this.CreateGraphics();
String t1 = this.Text.Substring(this.Text.Length - 1, 1) + "X";
SizeF sizet1 = g.MeasureString(t1, this.Font);
SizeF sizex = g.MeasureString("X", this.Font);
g.Dispose();
int xoffset = (int)(sizet1.Width - sizex.Width);
pointCaret.X = pointCaret.X + xoffset;
if (i_char_loc == this.Text.Length)
{
String slast = this.Text.Substring(Text.Length - 1, 1);
if (slast == "\n")
{
pointCaret.X = 1;
pointCaret.Y = pointCaret.Y + myFontHeight;
}
}
}
return(pointCaret);
}
