C#

michae110 wrote:

You have to order them correctly,

DirectoryInfo di = new DirectoryInfo(dir);
FileInfo[] sumfiles = di.GetFiles("*sum.xslx");
if (sumfiles .Length > 0)
{
   //Files found
}

private void gridPatients_DoubleClick(object sender, System.EventArgs e)
{
  DoStuff();
}

private void gridPatients_KeyDown(object sender, System.Windows.Forms.KeyEventArgs e)
{
  DoStuff();
}

private void DoStuff()
{
  //do the things that you want to do in KeyDown and DoubleClick
}

private void gridPatients_KeyDown(object sender, System.Windows.Forms.KeyEventArgs e)
{
  if(the key was the one you wanted)
    DoStuff();
}

using System;
using System.Drawing;
using System.Windows.Forms;

public partial class FormMain : Form
{
    public Form1()
    {
        // Added two GroupBoxes both containing two Textboxes in designer
        InitializeComponent();
        ControlSettings();
    }
    private void ControlSettings()
    {
        Button buttonHelp = new Button();
        buttonHelp.BackColor = System.Drawing.Color.Transparent;
        buttonHelp.Dock = DockStyle.Right;    // only for testing.
        buttonHelp.Name = "buttonHelp";
        buttonHelp.Size = new System.Drawing.Size(25, 25);
        buttonHelp.UseVisualStyleBackColor = false;

        foreach (Control control in Controls)
        {
            if (control is GroupBox)
            {
                GroupBox groupBox = (GroupBox)control;
                foreach (Control nestedControl in groupBox.Controls)
                {
                    TextBox textBox = nestedControl as TextBox;
                    if (textBox != null)
                    {
                        textBox.Enter += delegate(object sender, EventArgs eventArgs)
                        {
                            ((TextBox)sender).BackColor = Color.Gold;
                            Control parent = ((TextBox)sender).Parent;
                            parent.Controls.Add(buttonHelp);
                        };
                        textBox.Leave += delegate(object sender, EventArgs eventArgs)
                        {
                            Control parent = ((TextBox)sender).Parent;
                            ((TextBox)sender).BackColor = Color.White;
                            parent.Controls.Remove(buttonHelp);
                        };
                    }
                }

            }
        }
    }
}

ControlSettings()

private void Form1_Resize(object sender, System.EventArgs e)
       {
            // some code to handle resizing
           control_Settings();
           this.Invalidate();
       }

buttonHelp.Click += new System.EventHandler(buttonHelp_Click);

textBox.Leave += delegate(object sender, EventArgs eventArgs)
                           {

                               Control pToRemove = ((TextBox)sender).Parent;
                               ((TextBox)sender).BackColor = Color.White;

                               if (!pToRemove.ContainsFocus)
                               {
                                   pToRemove.Controls.Remove(buttonHelp);
                                    buttonHelp.Click -= new System.EventHandler(this.buttonHelp_Click);
                               }
                           };