calling OpenGL paint event while executing several click events

int _x, _y, _z;

// Properties
public int X
{
    get { return _x; }
    set { _x = value; UpdateConfiguration(); }
}

public int Y
{
    get { return _y; }
    set { _y = value; UpdateConfiguration(); }
}

public int Z
{
    get { return _z; }
    set { _z = value; UpdateConfiguration(); }
}

// Methods
void UpdateConfiguration()
{
    // Update your text boxes here

    // Redraw whatever you need to redraw
    DrawConfiguration();
}

void DrawConfiguration()
{
    // Do your openGL stuff here
}

// Event handlers
void IncX_Click(...)
{
    X += 1;
}

void DecX_Click(...)
{
    X -= 1;
}


void IncY_Click(...)
{
    Y += 1;
}

void DecY_Click(...)
{
    Y -= 1;
}

void IncZ_Click(...)
{
    Z += 1;
}

void DecZ_Click(...)
{
    Z -= 1;
}

void OpenGL_PaintEvent(...)
{
    DrawConfiguration();
}