C#

void grid1_KeyDown(object sender, KeyEventArgs e)
        {
            if (e.KeyCode == Keys.Enter)
            {
                if (grid1.FocusCell.Row == grid1.RowsCount-1)
                //to check if you have reached the last cell in the column
                {
                    if (grid1.FocusCell.Column == grid1.Columns.Count - 1)//checks if you have reached the                
                    //last row in the last column
                    {
                        grid1[1,0].Focus(); selects the first cell
                    }
                    else grid1[1, grid1.FocusCell.Column + 1].Focus();selects the first cell in the next 
                    //column
                }
                else grid1[grid1.FocusCell.Row + 1, grid1.FocusCell.Column].Focus();//selects the next cell
            }
        }

void grid1_KeyUp(object sender, KeyEventArgs e)
        {
            if (e.KeyCode == Keys.Enter)
            {
                int row = grid1.Selection.ActivePosition.Row;
                textBox1.Text = row.ToString();
                int column = grid1.Selection.ActivePosition.Column;
                if (grid1.Selection.ActivePosition.Row == grid1.RowsCount - 1)
                //to check if you have reached the last cell in the column
                {
                    if (column == grid1.Columns.Count - 1)//checks if you have reached the last row in the last column
                    {
                        grid1.Selection.Focus(new SourceGrid.Position(1, 0), true);//selects the very first cell
                       
                    }
                    else grid1.Selection.Focus(new SourceGrid.Position(1, grid1.Selection.ActivePosition.Column + 1), true);//selects the first cell in the next column
                }
                        
                else 
                    grid1.Selection.MoveActiveCell(1, 0);
            }
        }

E_Gold wrote:

I have 2 Windows Service Question

#define NATIVECPPEXPERIMENT_API __declspec(dllexport)

NATIVECPPEXPERIMENT_API int fint1(int arg1) {
	return arg1*arg1;
}

NATIVECPPEXPERIMENT_API int fint4(int arg1,int arg2, short* arg3, int arg4) {
	*arg3=(short)(arg1*arg2);
	return arg1*arg4;
}

namespace ConsoleApplication1 {
	class Program {
		static void log(string s) {Console.WriteLine(s);}

		static void Main(string[] args) {
			int res1=cppfint1(12);
			log("res1="+res1);
			short shrt=14;
			int res4=cppfint4(12,13,ref shrt, 15);
			log("res4="+res4);
			log("shrt="+shrt);
			Console.ReadLine();

		}

		[DllImport("nativeCppExperiment.dll", EntryPoint="?fint1@@YAHH@Z")]
		static extern int cppfint1(int arg1);

		[DllImport("nativeCppExperiment.dll", EntryPoint="?fint4@@YAHHHPAFH@Z")]
		static extern int cppfint4(int agr1, int arg2, ref short arg3, int arg4);
	}
}

[DllImport("vdrdll.dll")]
static unsafe extern void drawMarkupOnLine(int jobId, int lineNumber, short* line, int drawMode);

Alan Balkany wrote:

taking out the EntryPoint clause allowed the linker to find the function

namespace ConsoleApplication1 {
	class Program {
		static void log(string s) {Console.WriteLine(s);}
		static void Main(string[] args) {
			int res1=cppfint1(12);
			log("res1="+res1);
			short shrt=14;
			int res4=fint4(12,13,ref shrt, 15);
			log("res4="+res4);
			log("shrt="+shrt);
			Console.ReadLine();

		}

		[DllImport("nativeCppExperiment.dll", EntryPoint="?fint1@@YAHH@Z")]
		static extern int cppfint1(int arg1);

		[DllImport("nativeCppExperiment.dll")]
		static extern int fint4(int agr1, int arg2, ref short arg3, int arg4);
	}
}