示例#1
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        // Determine the length of a control's Text.  Required since using the
        // RichTextBox .Length property wipes out the Undo/Redo buffer.
        public static int GetTextLength(IntPtr hControl)
        {
            GETTEXTLENGTHEX lpGTL = new GETTEXTLENGTHEX();

            lpGTL.uiFlags    = 0;
            lpGTL.uiCodePage = 1200;                                    // Unicode
            return(SendMessage(hControl, EM_GETTEXTLENGTHEX, ref lpGTL, IntPtr.Zero));
        }
示例#2
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        public static int GetTextLength(RichTextBox rt)
        {
            GETTEXTLENGTHEX GTL = new GETTEXTLENGTHEX();

            GTL.uiFlags    = GTL_DEFAULT;
            GTL.uiCodePage = CP_UNICODE;
            return((int)SendMessage(rt.Handle, (IntPtr)EM_GETTEXTLENGTHEX, ref GTL, IntPtr.Zero));
        }
 static extern IntPtr SendMessage(IntPtr hWnd, int wMsg, ref GETTEXTLENGTHEX wParam, IntPtr lParam);
示例#4
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 private static extern int SendMessage(IntPtr hWnd, IntPtr msg, ref GETTEXTLENGTHEX wParam, IntPtr lParam);
示例#5
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 public static int GetTextLength(RichTextBox rt)
 {
     GETTEXTLENGTHEX GTL = new GETTEXTLENGTHEX();
     GTL.uiFlags = GTL_DEFAULT;
     GTL.uiCodePage = CP_UNICODE;
     return (int)SendMessage(rt.Handle, (IntPtr)EM_GETTEXTLENGTHEX, ref GTL, IntPtr.Zero);
 }
示例#6
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 internal static extern int SendMessage(IntPtr hWnd, int msg, ref GETTEXTLENGTHEX wParam, int lParam);
示例#7
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 static extern IntPtr SendMessage(IntPtr hWnd, int wMsg, ref GETTEXTLENGTHEX wParam, IntPtr lParam);
示例#8
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 public static extern int SendMessage(IntPtr hWnd, int Msg, ref GETTEXTLENGTHEX wParam, IntPtr lParam);
示例#9
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 public static extern int GetTextLength(IntPtr hWnd, int Msg, ref GETTEXTLENGTHEX wParam, StringBuilder lParam);
示例#10
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 private static extern void RichTextBox_GetTextLengthEx(out GETTEXTLENGTHEX value);
示例#11
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 private static extern int SendMessage(IntPtr hWnd, IntPtr msg, ref GETTEXTLENGTHEX wParam, IntPtr lParam);